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  1. Table of Contents
  2. Intro
  3. Design
    1. Stand
    2. Ergonomics
    3. Back
    4. Borders
    5. Thickness
    6. Build Quality
  4. Picture Quality
    1. Contrast
    2. Local Dimming
    3. SDR Peak Brightness
    4. HDR Peak Brightness
    5. Horizontal Viewing Angle
    6. Vertical Viewing Angle
    7. Gray Uniformity
    8. Black Uniformity
    9. Pre Calibration
    10. Post Calibration
    11. SDR Color Gamut
    12. SDR Color Volume
    13. HDR Color Gamut
    14. HDR Color Volume
    15. Image Retention
    16. Reflections
    17. Gradient
    18. Color Bleed
  5. Motion
    1. Motion Blur
    2. Image Flicker
    3. Refresh Rate
  6. Inputs
    1. Input Lag
    2. Resolution and Size
    3. Main Inputs
    4. Other Inputs
    5. Total Inputs
  7. Features
    1. Additional Features
    2. On-Screen Display (OSD)
    3. Controls
    4. In The Box
  8. Conclusion
  9. Q&A
Reviewed on Nov 20, 2017 , Ian Cumming, Mehdi Azzabi, Eric Bousquet

Samsung UE590
MONITOR REVIEW

Usage Ratings - Version 1.0
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Test Benches:

  • 1.0: Fall 2017
6.6
Mixed Usage
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Score components:
  • 30% Office
  • 30% Multimedia
  • 25% Gaming
  • 10% Media Creation
  • 5% HDR Gaming
Size : 28 "
Resolution : 3840x2160
Refresh Rate : 60 Hz
LCD Type
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What it is: Type of LCD technology used by the monitor.
When it matters: Different technologies have different viewing angle properties.
:
TN

The Samsung UE590 is an average 4k 28 inch monitor with a TN type LCD. It has a high resolution and a larger than average screen size giving it good usable space. Unfortunately, its picture quality is poor, and its very low viewing angle means it's impossible to have a uniform picture. It also lacks support for wider color gamuts or HDR, and its stand leaves a lot to be desired.

Test Results
Design 7.0
Picture Quality 5.7
Motion 7.6
Inputs 9.0
Pros
  • High 4k resolution
Cons
  • Disappointing picture quality
  • Very narrow viewing angle
  • Stand has limited flexibility

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7.0

Design

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Score components: Subjectively assigned
Samsung UE590 Design Picture
Curved : No
Curve radius : N/A
Weight (without stand) : 10.4lbs (4.7 kg)
Weight (with stand) : 11.8lbs (5.4 kg)

The design of the Samsung 28E590D is decent but fairly basic. It looks good from the front with sleek edges and a nice plastic finish, but isn't the most practical monitor as only very limited adjustment options are available and it may be slightly harder to VESA-mount as it is positioned on a recessed part at the rear of the screen.

Stand
Samsung UE590 Stand picture
Width : 15.3" (38.9 cm)
Depth : 7.4" (18.9 cm)

The stand is basic but looks good. It is very similar in design to the JU7100 TV from 2015 and has quite a small footprint which is good. Despite this, it does feel quite stable but doesn't have much weight so it's easy to accidentally move it.

1.5 Ergonomics
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What it is: How much the position of the screen can be adjusted to match the viewing preference of the user.
When it matters: All usages, but especially office and gaming use.
Score components:
  • 45% Height Adjustment
  • 18% Switch portrait/landscape
  • 18% Swivel Range
  • 18% Tilt Range
Samsung UE590 Ergonomics picture
Height Adjustment : N/A
Switch portrait/landscape : No
Swivel Range : N/A
Tilt Range : -20° to 5°

Ergonomic adjustments on the UE590 are very limited. The only option is to tilt the screen, so finding a comfortable setup may be difficult.

Back
Samsung UE590 Back picture
Wall Mount : Vesa 100x100

The rear of the monitor is quite basic, with all of the inputs located in the center and directed out the back. The VESA mounting point is a bit strange, at the top of the monitor and also recessed so it may be harder to fit with some mounts.

Borders
Samsung UE590 Borders picture
Borders : 0.7" (1.9 cm)

The borders are simple but look fine. They are a bit thicker than most other monitors we've tested, which isn't ideal for a multi-screen setup.

Thickness
Samsung UE590 Thickness picture
Thickness (with stand) : 4.8" (12.1 cm)
Thickness (without stand) : 2.0" (5.1 cm)

The monitor is quite thin when viewed from the side, and looks good. The bottom of the monitor is the thickest, but even this is a maximum of 2".

7.5 Build Quality
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What it is: How well built and sturdy the monitor is, and how good the materials used to build it are.
When it matters: All usages.
Score components: Subjectively assigned
Samsung UE590 Build Quality picture

The build quality of the LU28E590DS is good. Although almost entirely plastic, it has a textured finish and feels quite nice. All of the parts are fairly well put together.

The Samsung UE590 has a disappointing picture quality. The contrast ratio is inadequate, even for a TN monitor, and when combined with the poor black uniformity, it gives a washed out look to most dark content. Bright room performance is much better though, as the SDR peak brightness and reflection handling are better than average. The gray uniformity is decent and dirty screen effect is not really noticeable. Viewing angle is disappointing, especially when the monitor is viewed from the top. The 'out of the box' accuracy is really disappointing and the UE590 would really benefit even from a minimal calibration. Finally, this Samsung monitor is pretty basic and does not have any newer features like HDR or local dimming.

5.3 Contrast
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What it is: Brightness difference between white and black. This is the main component of picture quality.
When it matters: Always, but especially when watching dark scenes.
Score components:
Samsung UE590 Checkerboard Picture
Native Contrast
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What it is: Ratio of the white brightness divided by the blacks measured on our checkerboard test pattern with a white target of 100 cd/m².
When it matters: Dark scenes in a dark room.
Good value: > 3,000
Noticeable difference: 500
:
688 : 1

The contrast ratio is disappointing for this Samsung TN monitor when compared to another TN monitor like the AOC AGON AG271QX, which can reach over 1000:1. Darkroom performance is poor since when displaying true blacks, they tend to look more like grays and the whole screen has a washed out look. Performance is better when ambient light is present though and as such, this would be the best scenario for this monitor.

0 Local Dimming
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What it is: The lights behind the LCD layer adapt to the picture displayed, improving the contrast ratio.
When it matters: Dark scenes viewed in a dark room.
Score components: Subjectively assigned
Local Dimming
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What it is: Whether it has a feature that controls the LEDs behind the LCD layer, to match the picture and darkens the dark portion of it.
When it matters: On LED TVs only. Dark scenes viewed in a dark room.
:
No
Backlight
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What it is: Configuration of the lights of the backlight.
When it matters: Effectiveness of the local dimming.
Good value: Full-array/direct lighting is better for local dimming. As for the uniformity of the screen, it depends on the implementation. Some edge-lit monitors have more uniform blacks than some full-array monitors.
:
Direct

The UE590 does not have a local dimming feature. The video is for reference only.

7.3 SDR Peak Brightness
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What it is: How bright the screen can get. Measured with local dimming and with SDR content.
When it matters: Bright living rooms; bright objects; SDR content.
SDR Real Scene
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What it is: The maximum luminosity the TV can obtain while playing a movie or while watching a TV show. Our Real Scene was selected to represent a more regular movie condition. All measurements are made with the TV set to be as bright as possible, but with a 6500k white. Measured with local dimming on, max backlight and with an SDR signal. Scene: here.
When it matters: When watching movies and TV shows in SDR.
:
278 cd/m²
SDR Peak 2% Window
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What it is: The maximum luminosity, even if only maintained for a short time, of a white square covering 2% of the screen, with the monitor set to be as bright as possible. Measured with local dimming and over SDR signal.
When it matters: Bright highlights, present on screen for a short time
:
287 cd/m2
SDR Peak 10% Window
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What it is: The maximum luminosity, even if only maintained for a short time, of a white square covering 10% of the screen, with the monitor set to be as bright as possible. Measured with local dimming and over SDR signal.
When it matters: Bright objects, present on screen for a short time
:
292 cd/m2
SDR Peak 25% Window
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What it is: The maximum luminosity, even if only maintained for a short time, of a white square covering 25% of the screen, with the monitor set to be as bright as possible. Measured with local dimming and over SDR signal.
When it matters: When watching in a bright room.
:
293 cd/m2
SDR Peak 50% Window
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What it is: The maximum luminosity, even if only maintained for a short time, of a white square covering 50% of the screen, with the monitor set to be as bright as possible. Measured with local dimming and over SDR signal.
When it matters: When watching in a bright room.
:
293 cd/m2
SDR Peak 100% Window
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What it is: The maximum luminosity, even if only maintained for a short time, of a white square covering 100% of the screen, with the monitor set to be as bright as possible. Measured with local dimming and over SDR signal.
When it matters: When watching in a bright room.
:
293 cd/m2
SDR Sustained 2% Window
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What it is: The lowest maximum luminosity (usually after it has stabilized) of a white square covering 2% of the screen, with the monitor set to be as bright as possible. Measured with local dimming and over SDR signal.
When it matters: Bright highlights, persistent during a scene.
:
287 cd/m2
SDR Sustained 10% Window
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What it is: The lowest maximum luminosity (usually after it has stabilized) of a white square covering 10% of the screen, with the monitor set to be as bright as possible. Measured with local dimming and over SDR signal.
When it matters: Bright objects, persistent during a scene.
:
291 cd/m2
SDR Sustained 25% Window
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What it is: The lowest maximum luminosity (usually after it has stabilized) of a white square covering 25% of the screen, with the monitor set to be as bright as possible. Measured with local dimming and over SDR signal.
When it matters: When watching in a bright room.
:
292 cd/m²
SDR Sustained 50% Window
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What it is: The lowest maximum luminosity (usually after it has stabilized) of a white square covering 50% of the screen, with the monitor set to be as bright as possible. Measured with local dimming and over SDR signal.
When it matters: When watching in a bright room.
:
292 cd/m2
SDR Sustained 100% Window
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What it is: The lowest maximum luminosity (usually after it has stabilized) of a white square covering 100% of the screen, with the monitor set to be as bright as possible. Measured with local dimming and over SDR signal.
When it matters: When watching in a bright room.
:
292 cd/m2
SDR ABL
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What it is: The standard deviation of the SDR sustained brightness, after linearizing for noticeable differences in luminosity
When it matters: Content with large bright areas, such as for PC or video game use, and sports such as hockey
:
0.001

The Samsung U28E590D's brightness is decent. It isn't the brightest display we've seen, but it can get bright enough to fit in most viewing environments without much issue. The brightness does not fluctuate over time or depending on what is shown on screen, which is great.

0 HDR Peak Brightness
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What it is: How bright the screen can get. Measured with local dimming and with HDR content.
When it matters: HDR content
HDR Real Scene : N/A
HDR Peak 2% Window : N/A
HDR Peak 10% Window : N/A
HDR Peak 25% Window : N/A
HDR Peak 50% Window : N/A
HDR Peak 100% Window : N/A
HDR Sustained 2% Window : N/A
HDR Sustained 10% Window : N/A
HDR Sustained 25% Window : N/A
HDR Sustained 50% Window : N/A
HDR Sustained 100% Window : N/A
HDR ABL : N/A

HDR is not supported.

5.2 Horizontal Viewing Angle
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What it is: Color accuracy when viewed from the side.
Samsung UE590 Horizontal Color Shift Picture
Color Shift from Left
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What it is: Angle where the colors noticeable shift compared to when viewed from directly in front of the monitor. 0 ° means directly facing the monitor. Measurements are up to a maximum of 75 °.
When it matters: When sharing your monitor with people on your left
Good value: > 50°
Noticeable difference: 10°
:
31 °
Color Shift from Right
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What it is: Angle where the colors noticeable shift compared to when viewed from directly in front of the monitor. 0 ° means directly facing the monitor. Measurements are up to a maximum of 75 °.
When it matters: When sharing your monitor with people on your right
Good value: > 50°
Noticeable difference: 10°
:
30 °
Samsung UE590 Horizontal Brightness Picture
Brightness from Left
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What it is: Angle where the brightness drops to 50% of the brightness directly in front of the monitor. 0 ° means directly facing the monitor. Measurements are up to a maximum of 75 °.
When it matters: When sharing your monitor with people on your left.
Good value: > 50°
Noticeable difference: 10°
:
47 °
Brightness from Right
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What it is: Angle where the brightness drops to 50% of the brightness directly in front of the monitor. 0 ° means directly facing the monitor. Measurements are up to a maximum of 75 °.
When it matters: When sharing your monitor with people on your right.
Good value: > 50°
Noticeable difference: 10°
:
47 °
Samsung UE590 Horizontal Black Level Picture
Black Level from Left
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What it is: Angle where the black level drops to 50% of the black level directly in front of the monitor. 0 ° means directly facing the monitor. Measurements are up to a maximum of 75 °.
When it matters: When sharing your monitor with people on your right.
Good value: > 50°
Noticeable difference: 10°
:
25 °
Black Level from Right
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What it is: Angle where the black level drops to 50% of the black level directly in front of the monitor. 0 ° means directly facing the monitor. Measurements are up to a maximum of 75 °.
When it matters: When sharing your monitor with people on your right.
Good value: > 50°
Noticeable difference: 10°
:
22 °
Curve Radius : N/A

Poor horizontal viewing angle. As is usual with other TN-type LCD monitors, the Samsung UE590 does quite poorly with most aspects of our viewing angle test. Its colors shift a fair amount, and most noticeably is its black level which raises considerably from a slightly off-axis position.

4.5 Vertical Viewing Angle
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What it is: Color accuracy when viewed from the top or bottom.
Samsung UE590 Vertical Color Shift Picture
Color Shift from Below
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What it is: Angle where the colors noticeable shift compared to when viewed from directly in front of the monitor. 0 ° means directly facing the monitor. Measurements are up to a maximum of 75 °.
When it matters: When looking at a monitor from below.
Good value: > 50°
Noticeable difference: 10°
:
3 °
Color Shift from Above
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What it is: Angle where the colors noticeable shift compared to when viewed from directly in front of the monitor. 0 ° means directly facing the monitor. Measurements are up to a maximum of 75 °.
When it matters: When looking at a monitor when standing up.
Good value: > 50°
Noticeable difference: 10°
:
9 °
Samsung UE590 Vertical Brightness Picture
Brightness from Below
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What it is: Angle where the brightness drops to 50% of the brightness directly in front of the monitor. 0 ° means directly facing the monitor. Measurements are up to a maximum of 75 °.
When it matters: When looking at a monitor from below.
Good value: > 50°
Noticeable difference: 10°
:
0 °
Brightness from Above
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What it is: Angle where the brightness drops to 50% of the brightness directly in front of the monitor. 0 ° means directly facing the monitor. Measurements are up to a maximum of 75 °.
When it matters: When looking at a monitor while standing up.
Good value: > 50°
Noticeable difference: 10°
:
72 °
Samsung UE590 Vertical Black Level Picture
Black Level from Below
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What it is: Angle where the black level drops to 50% of the black level directly in front of the monitor. 0 ° means directly facing the monitor. Measurements are up to a maximum of 75 °.
When it matters: When looking at a monitor from below.
Good value: > 50°
Noticeable difference: 10°
:
21 °
Black Level from Above
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What it is: Angle where the black level drops to 50% of the black level directly in front of the monitor. 0 ° means directly facing the monitor. Measurements are up to a maximum of 75 °.
When it matters: When looking at a monitor while standing up.
Good value: > 50°
Noticeable difference: 10°
:
30 °

Bad vertical viewing angle. The colors of the UE590 start shifting very rapidly when it is viewed from below, even going as far as completely inverting at steeper angles. Its brightness also shows quite drastic shifts, as it both goes very dark when viewed from below and very bright when viewed from above. This makes it difficult, especially considering its larger size, to have a perfectly uniform picture even from a centered viewing position.

7.2 Gray Uniformity
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What it is: Evenness of colors onscreen (not just gray).
When it matters: Solid colors. Sports, panning shots.
Score components:
Samsung UE590 50% Uniformity Picture
50% Std. Dev.
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What it is: Average squared difference of pixels when displaying a mid 50% gray.
When it matters: Solid colors. Sports, panning shots.
Good value: < 2.5%
Noticeable difference: 1%
:
7.297 %
50% DSE
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What it is: High-frequency variance of uniformity. Dark spots on the screen.
When it matters: Solid colors. Sports, panning shots.
Good value: < 0.165%
Noticeable difference: 0.025%
:
0.142 %
Samsung UE590 5% Uniformity Picture
5% Std. Dev.
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What it is: Average squared difference of pixels when displaying a mid 5% gray.
When it matters: Dark scenes.
Good value: < 1.15%
Noticeable difference: 1%
:
1.012 %
5% DSE
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What it is: High-frequency variance of uniformity. Dark spots on the screen.
When it matters: Dark scenes.
Good value: < 0.116%
:
0.094 %

The overall gray uniformity is decent on the UE590. On the 50% gray uniformity, some really faint vertical band are visible, but they are too faint to appear when watching normal content. The edge is a bit darker in some areas, but the difference between those spots is very smooth and does not attract the eyes too much. Note that on the 50% picture, the top of the screen looks darker, but this is mostly due to the effect of the vertical viewing angle of the TV panel.

On the 5% gray uniformity test picture, we can see the backlight bleed on the lower left corner, which is also visible on the black uniformity test, and also some of the horizontal lines that were also noticed on the 50% gray test picture. Those are mostly only visible on a uniform and dark color and are not really noticeable on normal content, unless you are watching some really dark multimedia content.

3.8 Black Uniformity
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What it is: Evenness of blacks.
When it matters: Dark scenes viewed in a dark room.
Score components:
Samsung UE590 Native Black Uniformity Picture
Native Std. Dev.
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What it is: Average of the squared difference of the blacks.
When it matters: Dark scenes viewed in a dark room.
Good value: <2%
Noticeable difference: 1%, but keep in mind that it varies a lot by unit, even of the same model; yours likely will not end up exactly like ours.
:
3.438 %
Std. Dev. w/ L.D.
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What it is: Average of the squared difference of the blacks with Local Dimming enabled
When it matters: Dark scenes viewed in a dark room.
Good value: <2%
Noticeable difference: 1%, but keep in mind that it varies a lot by unit, even of the same model; yours likely will not end up exactly like ours.
:
N/A

The black uniformity of the UE590 is bad. Some backlight bleed is visible around the edge of the monitor, especially at the bottom and the top part. This is a much worse black uniformity when compared to the AOC AGON AG271QX, another TN monitor that we have reviewed before.

3.9 Pre Calibration
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What it is: Monitor's color accuracy before a full calibration. The measurements are taken with out of the box 'factory setting'.
When it matters: All video on an uncalibrated TV. This represents most people's use cases.
Score components:
Samsung UE590 Pre Calibration Picture Samsung UE590 Pre Gamma Curve Picture Samsung UE590 Pre Color Picture
Picture Mode
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What it is: The picture mode that was used to do the pre-calibration reading. We usually go for the picture mode that gives us the more control over all the picture quality setting.
:
Custom
Luminance
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What it is: The luminance at which the pre-calibration reading was done. This represents the luminance of the monitor when it is at the factory default settings.
:
404.5 cd/m2
Luminance Settings
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What it is: The luminance settings, often named 'Brightness' on monitors, usually range from 0 to 100.
:
100
Contrast Setting
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What it is: The monitor contrast setting, usually ranging from 0 to 100.
:
75
RGB controls
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What it is: This is the value for each color (red, green, and blue) used in the monitor internal RGB cuts/gains controls. If the monitor does not have an internal RGB cuts/gains controls, then the color temperature setting will be used instead, and the color temperature that gives us the best result will be used.
:
Custom (50-50-50)
Color Temperature
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What it is: The color temperature is a measure of the color of light. A colder color temperature (7000K) will look bluer and a warmer color temperature (4000K) will look yellower/redder. 6500K is the standard color for PC monitors and also for the sRGB color standard.
When it matters: When you care about color reproduction and accuracy.
Good value: 6500K
Noticeable difference: 400K
:
7562 K
White Balance dE
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What it is: Average inaccuracy of shades of gray.
When it matters: Overall color temperature of all video.
Good value: < 3
Noticeable difference: 1
:
6.97
Color dE
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What it is: Average inaccuracy of colors.
When it matters: All colors.
Good value: < 3
Noticeable difference: 1
:
4.95
Gamma
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What it is: Brightness of shades of gray.
When it matters: Shadows.
Good value: Between 2.1 and 2.3 (our target is 2.2)
Noticeable difference: 0.1
:
2.05

Out of the box, the Samsung UE590 has a poor accuracy. The most accurate picture mode was the 'Custom' one in combination with the 'Custom' 'Color Tone', but when set under those setting, the white balance dE is well over the limit that anybody would notice the level of inaccuracy. As for the color dE, at 4.95, it is way inaccurate and if we check the color temperature, we see that it is on the cool side, as the white point are drifting toward the blue too much.

If you find the color temperature too cold, you can set the monitor under the 'Custom' picture mode, and set the 'Color Tone' to 'Warm 1'. This mode is just a bit less accurate, but not by far (white balance dE is 7.85, color dE is 5.4 and the color temperature is 6167k).

The overall gamma is a bit low, but not by far, but if you look at the target curve, we see that it undershoot a bit in the brighter end of the target. Note that for all picture mode measured, the 'Gamma' 'Mode1' was the most accurate.

9.4 Post Calibration
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What it is: Monitor's color accuracy after a full calibration with a spectrophotometer.
When it matters: All graphics and video content on a monitor that has been professionally calibrated.
Score components:
Samsung UE590 Post Calibration Picture Samsung UE590 Post Gamma Curve Picture Samsung UE590 Post Color Picture
Picture Mode
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What it is: The picture mode that was used to do the calibration reading. We usually go for the picture mode that gives us the more control over all the picture quality setting.
:
Custom
Luminance
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What it is: The luminance at which the calibration was executed. We aim for a luminance level of 100 cd/m².
:
97.9 cd/m2
Luminance Settings
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What it is: The luminance settings, often named 'Brightness' on monitors, usually range from 0 to 100.
:
17
Contrast Setting
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What it is: The monitor contrast setting, usually ranging from 0 to 100.
:
71
RGB controls
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What it is: This is the value for each color (red, green, and blue) used in the monitor internal RGB cuts/gains controls. If the monitor does not have an internal RGB cuts/gains controls, then the color temperature setting will be used instead, and the color temperature that gives us the best result will be used.
:
50-31-30
Color Temperature
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What it is: The color temperature is a measure of the color of light. A colder color temperature (7000K) will look bluer and a warmer color temperature (4000K) will look yellower/redder. 6500K is the standard color for PC monitors and also for the sRGB color standard.
When it matters: When you care about color reproduction and accuracy.
Good value: 6500K
Noticeable difference: 400K
:
6500 K
White Balance dE
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What it is: Average inaccuracy of shades of gray.
When it matters: Overall color temperature of all videos.
Good value: < 3
Noticeable difference: 1
:
0.61
Color dE
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What it is: Average inaccuracy of colors.
When it matters: All colors.
Good value: < 3
Noticeable difference: 1
:
1.2
Gamma
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What it is: Brightness of shades of gray.
When it matters: Shadows.
Good value: Between 2.1 and 2.3 (our target is 2.2)
Noticeable difference: 0.1
:
2.15

After calibration, which was also done on the 'Custom' picture mode and the 'Custom 'Color Tone', the accuracy of this Samsung monitor is excellent. This is a big improvement over the 'Out of the box' experience. The white balance dE is now under the limit which we can't discern inaccuracy (dE of 1.0) and the color dE is just hovering above the same limit. The color temperature is right on target (6500k) and if you look at our 'Post Color Picture', you can see that the white point is spot on, with only some intermediate colors being a bit off target.

As for the gamma, it is now much closer to our 2.2 target and the curve track more closely our target curve. Some little issues are still visible on the brighter end, but overall, this is a good improvement.

You can download our ICC profile calibration here.

8.4 SDR Color Gamut
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What it is: The palette of colors the monitor can display
When it matters: General content consumption or production
Score components:
Samsung UE590 Color Gamut s.RGB Picture
s.RGB xy
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What it is: Coverage of the s.RGB colorspace on CIE 1931 xy.
When it matters: Almost all content. Includes websites, standard windows environment and SDR movies
Good value: > 95%
Noticeable difference: 5%
:
96.7 %
Samsung UE590 Color Gamut ARGB Picture
Adobe RGB xy
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What it is: Coverage of the Adobe RGB colorspace on CIE 1931 xy.
When it matters: Professional photography.
Good value: > 90%
Noticeable difference: 5%
:
70.4 %

Good SDR color gamut. The U28E590D's coverage of the s.RGB color space is great. It can reproduce almost 100% of the standard RGB color gamut. At 70%, however, it's less useful for those that require the more professionally oriented Adobe RGB color space.

7.9 SDR Color Volume
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What it is: How much of the SDR color spaces the monitor can reproduce
When it matters: General usage and SDR media creation
Score components:
Samsung UE590 s.RGB Color Volume ITP picture
s.RGB in ICtCp
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What it is: How much of the s.RGB colorspace a monitor can display at different luminosity levels
When it matters: Most content, including web, SDR video games, and SDR media creation
:
87.6 %
Samsung UE590 Adobe RGB Color Volume ITP Picture
Adobe RGB in ICtCp
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What it is: How much of the Adobe RGB colorspace a monitor can display at different luminosity levels, normalized to the monitor's peak brightness.
When it matters: Professional media creation
:
71.0 %

The UE590's color volume is a little below average due to its low contrast ratio. It cannot reproduce darker colors. Due to its poor color accuracy out of the box, the UE590's color volume greatly benefits from a calibration.

0 HDR Color Gamut
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What it is: The monitor's ability to reproduce HDR color spaces
When it matters: HDR content consumption or media creation
Score components:
Wide Color Gamut
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What it is: Whether the monitor can support wider color gamuts
When it matters: HDR content and media creation
:
No
DCI P3 xy
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What it is: Coverage of the DCI P3 colorspace on CIE 1931 xy
When it matters: When consuming or producing HDR content.
:
N/A
Rec. 2020 xy
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What it is: Coverage of the Rec.2020 colorspace on CIE 1931 xy.
When it matters: When consuming or producing HDR content.
Good value: > 90%
Noticeable difference: 5%
:
N/A

HDR color gamuts are not supported.

0 HDR Color Volume
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What it is: How much of the HDR color spaces a monitor can display at different luminosity levels.
When it matters: HDR content consumption and production. Includes streaming services, UHD Blu-rays and HDR games.
Score components:
DCI-P3 in ICtCp
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What it is: How much of the DCI-P3 colorspace a monitor can display at different luminosity levels, normalized to the monitor's peak brightness output.
When it matters: HDR content.
Good value: 80%
Noticeable difference: 5%
:
N/A
Rec. 2020 in ICtCp
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What it is: How much of the Rec. 2020 colorspace a monitor can display at different luminosity levels, normalized to the monitor's peak brightness output.
When it matters: HDR content.
Good value: 80 %
Noticeable difference: 5 %
:
N/A

HDR color gamuts are not supported.

10 Image Retention
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What it is: How much a static image is retained on a monitor screen after a certain amount of time.
When it matters: When working or playing video games on your PC monitor.
Samsung UE590 Image Retention Picture
IR after 0 min recovery
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What it is: Image retention measured right after the static image exposure, without recovery time.
When it matters: When changing use or right after changing the type of on screen content (i.e. stopping playing video game to watch a movie).
Good value: 0 is perfect.
Noticeable difference: 0.015%
:
0 %
IR after 2 min recovery
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What it is: Image retention measured after a recovery time of 2 minutes.
When it matters: When changing use or right after changing the type of on screen content (i.e. stopping playing video game to watch a movie).
Good value: 0 is perfect
Noticeable difference: 0.015%
:
0 %
IR after 4 min recovery
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What it is: Image retention measured after a recovery time of 4 minutes.
When it matters: When changing use or right after changing the type of on screen content (i.e. stopping playing video game to watch a movie).
Good value: 0 is perfect.
Noticeable difference: 0.015%
:
0 %
IR after 6 min recovery
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What it is: Image retention measured after a recovery time of 6 minutes.
When it matters: When changing use or right after changing the type of on screen content (i.e. stopping playing video game to watch a movie).
Good value: 0 is perfect.
Noticeable difference: 0.015%
:
0 %
IR after 8 min recovery
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What it is: Image retention measured after a recovery time of 8 minutes.
When it matters: When changing use or right after changing the type of on screen content (i.e. stopping playing video game to watch a movie).
Good value: 0 is perfect.
Noticeable difference: 0.015%
:
0 %
IR after 10 min recovery
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What it is: Image retention measured after a recovery time of 10 minutes.
When it matters: When changing use or right after changing the type of on screen content (i.e. stopping playing video game to watch a movie).
Good value: 0 is perfect.
Noticeable difference: 0.015%
:
0 %

No image retention can be noticed on the Samsung UE590, which is good particularly for gamers out there.

7.5 Reflections
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What it is: How much light is reflected by the TV.
When it matters: Bright rooms.
Score components: Subjectively assigned
Samsung UE590 Average room Samsung UE590 Average room off picture Samsung UE590 Bright room off picture

The reflection handling of the UE590 is good, and the light matte finish works well to diffuse sharp reflections across the screen and reduce their intensity. This should be fine for most rooms, but in a bright room, reflections may be distracting.

9.8 Gradient
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What it is: How finely levels of color can be displayed.
When it matters: Details in shadows, sky and skin tones. Matters more for HDR content.
Score components: Subjectively assigned
Samsung UE590 Gradient Picture
Color Depth
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What it is: Number of bits per pixel to represent a specific color. Note: we consider 8-bit with dithering to be equivalent to 10-bit, as long as the 10-bit gradient looks smooth.
When it matters: HDR content like HDR video games or HDR UHD movies. Won't matter for regular Blu-ray movies, SDR video game or desktop environment content displayed from a Windows PC. Those are limited to 8-bit color.
Good value: 10-bit.
Noticeable difference: 1 bit.
:
10 Bit

Excellent performance for the Samsung UE590 monitor on our gradient test. No 8-bit banding is visible on this monitor, as it is a 10-bit monitor, and almost no perceivable color baning, even in the dark color tones. This is particularly good for people who watch a lot of multimedia content, as color banding should be kept to a minimal.

9.9 Color Bleed
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What it is: How much the color from one area of the screen affects the color in another area of the screen.
When it matters: All usages, but especially media creation.
Score components:
Samsung UE590 Color bleed horizontal
Pixel row error
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What it is: The amount of bleed that appears across the screen horizontally.
When it matters: General usage of a PC monitor, can appear when browsing the web or with media creation like graphics.
Good value: <0.2%
Noticeable difference: 0.1%
:
0.007 %
Samsung UE590 Color bleed vertical
Pixel column error
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What it is: Amount of color bleeding that appears across the screen vertically.
When it matters: Most uses of a PC monitor. Can appear while browsing the web or when editing images or graphics.
Good value: <0.2%
Noticeable difference: 0.1%
:
0.008 %

This monitor is almost completely free of color bleed. It should not be visible with normal usage.

7.6

Motion

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Score components:

Motion looks good on the Samsung UE590DS/ZA. It has a fast pixel response time and supports FreeSync variable refresh rate, but it has a mediocre 60 Hz maximum refresh rate and has backlight flicker at low brightness settings.

8.6 Motion Blur
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What it is: The performance of the pixel response time. Poor response time causes trails to follow moving objects. Response time is one of a few sources of motion blur.
When it matters: When there's fast movement on screen, such as during video games and sports.
Score components:
Samsung UE590 Motion Blur Picture Samsung UE590 Response Time Chart
80% Response Time
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What it is: How quickly pixels can reach 80% of a full transition from one color to another.
When it matters: When there's fast movement on screen, such as during video games and sports.
Good value: < 8 ms
Noticeable difference: 4 ms
:
4.4 ms
100% Response Time
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What it is: How quickly pixels can fully transition from one color to another.
When it matters: When there's fast movement on screen, such as during video games and sports.
Good value: < 20 ms
Noticeable difference: 10 ms
:
15.6 ms
Best Overdrive Setting
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What it is: If the monitor has adjustable pixel overdrive settings, which one produces the best response time with minimal overshoot.
When it matters: When adjusting the monitor's settings to get the least possible motion blur.
:
Faster

Response Time Standard
Response Time Faster
Response Time Fastest

Very good response time, good enough for watching fast moving content. Most of the blur in the photo is double image artifacts due to backlight flicker; only a short ghosting trail follows the moving logo, which is good. The 'Response Time: Faster' overdrive setting was the most balanced; the 'Fastest' setting had a much faster 80% transition time but a much slower 100% transition time, and it also introduced a lot of overshoot. As such we do not recommend the 'Faster' setting.

4.5 Image Flicker
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What it is: Luminosity pattern when displaying images
When it matters: Nearly all the time during PC monitor use, but especially during fast movement such as video games
Samsung UE590 Backlight Picture
Flicker-free : No
PWM Dimming Frequency
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What it is: Flickering pattern at different luminosities.
When it matters: For people sensitive to flickering.
Good value: N/A or high frequencies (> 300 Hz). Frequencies that are multiples of 60Hz are better.
:
240 Hz
Black Frame Insertion (BFI)
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What it is: Option to turn screen black between frames
When it matters: Reduces eye tracking blur in motion
Good value: Yes
:
No
BFI Maximum Frequency
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What it is: Highest possible frequency of flickering pattern
When it matters: Reduces eye-tracking blur in motion
Good value: Matches the native refresh rate
Noticeable difference: 20 Hz
:
N/A
BFI Minimum Frequency
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What it is: Lowest possible frequency of flickering pattern
When it matters: Reduces eye-tracking blur in motion
Good value: 60 Hz
Noticeable difference: 20 Hz
:
N/A

The backlight dims flicker free from 'Brightness' setting 100/100 to 31/100, then uses PWM to dim with flicker from 30/100 to 0/100. Because the flicker is at 240 Hz, it won't be visible on a still image, but during motion it will produce double image artifacts (as seen in the motion blur photo). This means that at low brightness, the monitor will have worse motion than at mid and high brightness. Also this flicker is at too high a frequency to be useful as black frame insertion to help clear up motion.

7.8 Refresh Rate
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What it is: How frequently the monitor can refresh and show new frames, and whether it can vary its refresh rate in real time using technologies like G-sync and FreeSync.
When it matters: Mostly for gaming, but does provide a little better motion during normal usage.
Native
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What it is: The frequency at which the monitor is capable of displaying images every second
When it matters: General usage, but better results are most important for gaming
Good value: >100 Hz
Noticeable difference: 15 Hz
:
60 Hz
Factory Overclock
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What it is: The frequency at which the monitor's can be boosted to using its internal menu.
When it matters: Gaming and other usages where high frame rate content is consumed.
Good value: >100
Noticeable difference: 15
:
N/A
Variable Refresh Rate
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What it is: Feature that allows the monitor to synchronize its refresh rate with the input device's output and reduces stuttering and screen tearing.
When it matters: Almost every usage, but is most noticeable in gaming where constant fluctuation in framerate cause distracting artifacts.
:
FreeSync
VRR Maximum
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What it is: The maximum frequency covered by the Variable Refresh Rate feature of the monitor.
When it matters: Any time the VRR feature is enabled.
Good value: Matches Refresh rate
Noticeable difference: 10 Hz
:
60 Hz
VRR Minimum
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What it is: The lowest frequency covered by the monitor's Variable Refresh Rate feature.
When it matters: When using the VRR feature of the monitor at lower frame rates.
Good value: 30 Hz
:
40 Hz
VRR Maximum With OC
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What it is: The maximum frequency covered by the Variable Refresh Rate feature when the monitor's overclocking feature is used.
When it matters: When both the overclocking and VRR features are used.
Good value: Matching the overclocked refresh rate.
Noticeable difference: 10 hz
:
N/A
VRR Supported Connectors : DisplayPort

The Samsung LU28E590DS/ZA has a mediocre native refresh rate of 60 Hz, but, fortunately, also supports FreeSync. This allows the monitor to vary its refresh rate to match the frame rate of the computer when the frame rate is within the narrow range of 40-60 Hz. This is very useful when gaming because it eliminates tearing even without using VSync.

9.0

Inputs

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Score components:

The Samsung LU28E590 has an incredibly sharp 4k resolution and a large 28" size, which will impress during almost any usage. The monitor also has great low input lag, which will please all but the most competitive gamers.

8.9 Input Lag
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What it is: Delay between input and onscreen reaction.
When it matters: General usage of the mouse and gaming.
Native Resolution
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What it is: Lowest input lag possible at the center of the screen, when the monitor is displaying its native resolution at its native refresh rate.
When it matters: General usage and while playing video games.
Good value: < 15 ms
Noticeable difference: 5 ms
:
9.0 ms
Non-Native Resolution
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What it is:

Lowest input lag possible at the center of the screen, when the monitor is displaying an alternative resolution at its native refresh rate. The non-native resolution tested depends on the native resolution of the monitor, following this pattern unless otherwise specified in the Input Lag text:

Native Resolution Non-Native Resolution Tested
4k UHD QHD
QHD FHD
FHD 1600x900
3440x1440 2560x1080
2560x1080 1920x1080
When it matters: General usage as well as gaming.
Good value: < 15 ms
Noticeable difference: 5 ms
:
9.0 ms
Native Resolution @ 60 Hz
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What it is: Lowest input lag possible at the center of the screen, when the monitor is displaying its native resolution at a refresh rate of 60 Hz.
When it matters: General usage as well as gaming.
Good value: < 15 ms
Noticeable difference: 5 ms
:
9.0 ms
Variable Refresh Rate
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What it is: Lowest input lag possible at the center of the screen, when the monitor is using its Variable Refresh Rate feature at its native resolution.
When it matters: General usage as well as gaming.
Good value: < 15 ms
Noticeable difference: 5 ms
:
9.8 ms
HDR
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What it is: Lowest input lag possible at the center of the screen, when the monitor is displaying an HDR signal at its native resolution and refresh rate.
When it matters: General usage as well as gaming.
Good value: < 15 ms
Noticeable difference: 5 ms
:
N/A
Black Frame Insertion (BFI)
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What it is: Lowest input lag possible at the center of the screen, when BFI is enabled and the monitor is displaying a signal at the highest supported BFI refresh rate.
When it matters: General usage as well as gaming.
Good value: < 15 ms
Noticeable difference: 5 ms
:
N/A

Great low input lag, good enough for all but the most competitive gamers. The input lag is consistent no matter the input signal, which is good.

9.1 Resolution and Size
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What it is: The number of pixels the monitor can display, and the surface area of its screen.
When it matters: All usages, but especially for office and media editing.
Score components:
Native Resolution : 4K UHD, 3840 x 2160
Aspect Ratio : 16:9
Megapixels : 8.3 MP
Pixel Density : 161 PPI
Screen Diagonal : 27.9 inches
Screen Area : 327 sq inches

The monitor has an extremely sharp 4k resolution and a large 28" size, which are great for almost any usage, especially office use.

Main Inputs
Other Inputs

All of the inputs are directed out the rear of the TV.

Total Inputs
DisplayPort : 1 (DP 1.2)
Mini DisplayPort : No
HDMI : 1 (HDMI 2.0), 1 (HDMI 1.4)
DVI : No
VGA : No
DisplayPort Out : No
USB : No
USB C : No
Analog Audio Out 3.5mm : 1
Microphone In 3.5mm : No
Digital Optical Audio Out : No
Analog Audio Out RCA : No

The DisplayPort and HDMI #2 ports support 4k @ 60 Hz @ RGB because they have high bandwidth (DP 1.2 and HDMI 2.0, respectively). HDMI #1 on the other hand only supports 4k @ 30 Hz @ RGB because it doesn't have enough bandwidth (it's an HDMI 1.4 port). Pushing the monitor's joystick side to side changes the volume of the 3.5mm headphone port.

Features

The UE590's On-Screen Display (OSD) is very easy to navigate thanks to the joystick on the back of the monitor. The OSD has all the standard features of a monitor such as color settings and adjustable overdrive, plus a useful picture in picture feature that can show two inputs at once.

Additional Features
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What it is: Additional features found on the monitor
Score components:
Speakers
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What it is: Whether or not the monitor features standalone speakers.
When it matters: When using your computer without headphones or a dedicated pair of speakers.
:
No
HDR10 : No

The monitor has a picture in picture (PIP) feature which lets it show two of its inputs at once. They can be shown side by side (one on each half of the screen), or one over the corner of the other. When a computer input is shown on half the screen the computer knows to scale itself accordingly (to 1920x2160), which is handy.

On-Screen Display (OSD)
Controls
Samsung UE590 Controls picture

The only physical control is a joystick on the back-right corner, that acts as the power button and navigates the OSD. The joystick is actually a very intuitive way to navigate an OSD, better than the (up/down/back/select) button scheme most monitors use.

In The Box
Samsung UE590 In The Box picture

  • Manual and drivers
  • Power cable
  • Power brick
  • Displayport cable
  • HDMI cable

Conclusion
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6.6Mixed Usage
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Score components:
  • 30% Office
  • 30% Multimedia
  • 25% Gaming
  • 10% Media Creation
  • 5% HDR Gaming
Mediocre monitor for a mixed usage. The Samsung UE590's lacklustre picture quality and very narrow viewing angle mean its performance is below average on a few basic elements for a good monitor. Its higher resolution and larger size are good features though.
Subpar monitor for usage in an office environment. While its high resolution is useful for productivity, its very narrow viewing angles and poor ergonomics reduces its practicality in team-oriented workplaces, as sharing your screen with neighboring colleagues is less intuitive.
The Samsung UE590 does a decent job with video games thanks to its low input lag and motion blur. Unfortunately, however, its poor picture quality reduces immersion and it lacks more advanced features like G-Sync and high refresh rates.
Below average monitor for a multimedia use. The UE590's inadequate picture quality makes it less interesting for watching movies or other content in a dark room. It does have a 4k resolution which helps make UHD movies look sharp, but it lacks support for HDR or wide color gamuts for an even better picture.
Substandard monitor for media creators. Its lack of support for wider gamuts and poor uniformity makes it difficult to remain accurate. Furthermore, its poor viewing angle means that colors are likely to have meddling accuracy regardless of your viewing position.
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