Preferred monitor store
Reviewed on Dec 21, 2018 , Eric Bousquet, Yannick Khong

Samsung U32J590/UJ59
MONITOR REVIEW

Usage Ratings - Version 1.0

Test Benches:

  • 1.0: Fall 2017
7.1
Mixed Usage
Score components:
Size : 32 "
Resolution : 3840x2160
Refresh Rate : 60 Hz
LCD Type
What it is: Type of LCD technology used by the monitor.
When it matters: Different technologies have different viewing angle properties.
:
VA
Variable Refresh Rate
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

The Samsung U32J590 is a decent 32", 4k monitor. It delivers decent picture quality, with a very good native contrast ratio and decent black uniformity. It supports FreeSync VRR and has a great response time. Unfortunately, it can't get very bright to overcome glare in a bright room, and the image degrades when viewed at an angle. It also has a fixed stand that can only tilt, so you might not be able to place it in an ideal viewing position.

Test Results
Design 7.0
Picture Quality 6.8
Motion 7.5
Inputs 9.0
Pros
  • Good dark room performance
  • Lots of screen real-estate
Cons
  • Disappointing peak brightness
  • Terrible ergonomics
Update 5/10/2019: We have retested FreeSync on the UJ590 with NVIDIA driver version 430.39, and FreeSync is now working properly on recent NVIDIA cards.
Update 1/17/2019: We tested the monitor's compatibility with NVIDIA's new FreeSync driver. See our full investigation into NVIDIA's FreeSync Drivers here.

Check Price

7.0

Design

Score components: Subjectively assigned
Samsung U32J590/UJ59 Design Picture
Curved : No
Curve radius : N/A
Weight (without stand)
What it is: The weight of the monitor when mounted. This is with the stand removed, and if necessary any VESA mounting bracket attached.
When it matters: When choosing a mount for a monitor/
:
12.8 lbs (5.8 kg)
Weight (with stand)
What it is: The weight of the monitor including the stand any any input covers.
:
13.7 lbs (6.2 kg)

The Samsung UJ59 has a decent design. The stand supports the monitor well, but it has a large footprint. The monitor is mostly made of plastic, but there shouldn't be any issues with it. Unfortunately, the stand has terrible ergonomics, making it difficult to place in an ideal viewing position without VESA mounting it.

Stand
Samsung U32J590/UJ59 Stand picture
Width
What it is: The width of the stand.
When it matters: When using a small desk, for those who require a monitor with a small footprint.
:
18.5" (47.0 cm)
Depth
What it is: The depth of the stand.
When it matters: When using a small desk, for those who require a monitor with a small footprint.
:
9.8" (24.9 cm)

The Samsung U32J590 has a decent stand. It is slightly thicker than the stand on the CF398, and it supports the monitor better. The monitor does wobble quite a bit though, even from the vibrations caused by typing aggressively.

1.9 Ergonomics
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:
  • 46% Height Adjustment
  • 18% Switch portrait/landscape
  • 18% Swivel Range
  • 18% Tilt Range
Samsung U32J590/UJ59 Ergonomics picture
Height Adjustment
What it is: The amount of vertical travel or adjustment of the display.
:
N/A
Switch portrait/landscape : No
Swivel Range : N/A
Tilt Range : -15° to 2.5°

Unfortunately, the UJ590 has terrible ergonomics. The stand can be tilted, but has a smaller tilt range than the UE590 and CF398.

Back
Samsung U32J590/UJ59 Back picture
Wall Mount : VESA 100x100

The back of the monitor is very plain. There is a single vent that spans nearly the entire width of the monitor. The inputs can be difficult to access when the monitor is VESA mounted. There is only very basic cable management.

Borders
Samsung U32J590/UJ59 Borders picture
Borders
What it is: The distance from the left edge of the display to the start of the image.
When it matters: When using multiple monitors side-by-side.
:
0.6" (1.5 cm)

The borders are thin and look good. There is almost no gap between the border of the monitor and the screen.

Thickness
Samsung U32J590/UJ59 Thickness picture
Thickness (with stand)
What it is: How far the front of the screen protrudes when placed as far back as possible against a wall.
When it matters: When the monitor is placed back against a wall.
:
7.3" (18.5 cm)
Thickness (without stand)
What it is: How far the front of the screen protrudes when the stand has been removed. For monitors which require a bracket to VESA mount this measurement includes the thickness of the bracket.
When it matters: When mounting a monitor with the stand removed.
:
2.1" (5.3 cm)

The stand on the U32J590UQN sits back from the monitor, and prevents it from being placed flush with a wall. When the stand is removed to VESA mount it, the UJ590 is very thin.

7.0 Build Quality
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 U32J590/UJ59 Build Quality picture

Overall, the Samsung UJ59 has decent build quality. It is a bit more sturdy than the CF398, but not quite as good as the BenQ EW3270. Most of the monitor is made of plastic, but there don't appear to be any significant gaps or issues.

The Samsung U32J590 delivers decent overall picture quality. It has a very good native contrast ratio and decent black uniformity. It has above average viewing angles for a VA panel, but the image degrades when viewed at an angle. Unfortunately, it can't get very bright, so it isn't a great choice for a bright room. Overall, the U32J590 delivers nearly identical picture quality to the LG 32UD59-B.

7.8 Contrast
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 U32J590/UJ59 Checkerboard Picture
Native Contrast
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
:
2799 : 1
Contrast with local dimming
What it is: Ratio of the white brightness divided by the blacks measured on our checkerboard test pattern with local dimming turned on (maximum) with a white target of 100 cd/m².
When it matters: Dark scenes in a dark room.
Good value: > 3,000
Noticeable difference: 500
:
N/A

The Samsung U32J590 has a very good native contrast ratio, nearly identical to the CF398. This is a significant improvement over the previous model, the UE590, which had a TN panel and low native contrast.

0 Local Dimming
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
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
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.
:
Edge

This monitor does not have a local dimming feature, the above video is for reference only.

5.9 SDR Peak Brightness
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
What it is: The maximum luminosity the monitor 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.
Good value: > 300 cd/m²
Noticeable difference: 30 cd/m²
:
188 cd/m²
SDR Peak 2% Window
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
:
205 cd/m²
SDR Peak 10% Window
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
:
206 cd/m²
SDR Peak 25% Window
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.
:
206 cd/m²
SDR Peak 50% Window
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.
:
206 cd/m²
SDR Peak 100% Window
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.
:
206 cd/m²
SDR Sustained 2% Window
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.
:
205 cd/m²
SDR Sustained 10% Window
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.
:
205 cd/m²
SDR Sustained 25% Window
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.
:
206 cd/m²
SDR Sustained 50% Window
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.
:
206 cd/m²
SDR Sustained 100% Window
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.
:
206 cd/m²
SDR ABL
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
:
0.000

Disappointing peak brightness, the worst we've tested so far. The Samsung UJ59 is not an ideal choice if you have a bright room.

0 HDR Peak Brightness
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
What it is: The maximum luminosity the monitor can obtain while playing a movie or while watching a TV show. This scene was selected to represent a more realistic movie condition. All measurements are made with the monitor set to be as bright as possible, but with a 6500k white. Measured with local dimming, max backlight and over HDR signal. Scene: here.
When it matters: When watching movies or watching TV show in HDR.
Good value: > 550 cd/m²
Noticeable difference: 80 cd/m²
:
N/A
HDR Peak 2% Window
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 HDR signal (if supported).
When it matters: Bright highlights, present on screen for a short time; especially for HDR content.
Good value: > 550 cd/m²
Noticeable difference: 80 cd/m²
:
N/A
HDR Peak 10% Window
What it is: TThe 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 HDR signal (if supported).
When it matters: Bright objects, present on screen for a short time; especially for HDR content.
Good value: > 550 cd/m²
Noticeable difference: 80 cd/m²
:
N/A
HDR Peak 25% Window
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 HDR signal (if supported).
When it matters: Bright rooms; bright objects in HDR video.
Good value: > 550 cd/m²
Noticeable difference: 80 cd/m²
:
N/A
HDR Peak 50% Window
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 HDR signal (if supported).
When it matters: Bright rooms.
Good value: > 550 cd/m²
Noticeable difference: 80 cd/m²
:
N/A
HDR Peak 100% Window
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 HDR signal (if supported).
When it matters: Bright rooms.
Good value: > 550 cd/m²
Noticeable difference: 80 cd/m²
:
N/A
HDR Sustained 2% Window
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 HDR signal (if supported).
When it matters: Bright highlights, persistent throughout a scene; especially for HDR content.
Good value: > 550 cd/m²
Noticeable difference: 80 cd/m²
:
N/A
HDR Sustained 10% Window
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 HDR signal (if supported).
When it matters: Bright highlights, persistent throughout a scene; especially for HDR content.
Good value: > 550 cd/m²
Noticeable difference: 80 cd/m²
:
N/A
HDR Sustained 25% Window
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 HDR signal (if supported).
When it matters: Bright highlights, persistent throughout a scene; especially for HDR content.
Good value: > 550 cd/m²
Noticeable difference: 80 cd/m²
:
N/A
HDR Sustained 50% Window
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 HDR signal (if supported).
When it matters: Bright rooms.
Good value: > 550 cd/m²
Noticeable difference: 80 cd/m²
:
N/A
HDR Sustained 100% Window
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 HDR signal (if supported).
When it matters: Bright rooms.
Good value: > 550 cd/m²
Noticeable difference: 80 cd/m²
:
N/A
HDR ABL
What it is: The coefficient of variation of the HDR sustained brightness, after linearizing for noticeable differences in luminosity
When it matters: HDR content with large bright areas, such as HDR gaming
Good value: <0.07
Noticeable difference: 0.01
:
N/A

HDR is not supported on the U32J590

5.7 Horizontal Viewing Angle
What it is: Color accuracy when viewed from the side.
Samsung U32J590/UJ59 Horizontal Color Shift Picture
Color Shift from Left
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°
:
41 °
Color Shift from Right
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°
:
45 °
Samsung U32J590/UJ59 Horizontal Brightness Picture
Brightness from Left
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°
:
53 °
Brightness from Right
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°
:
55 °
Samsung U32J590/UJ59 Horizontal Black Level Picture
Black Level from Left
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°
:
20 °
Black Level from Right
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°
:
18 °
Curve Radius : N/A

Disappointing horizontal viewing angles, nearly identical to the Samsung UE590 and LG 32UD59. The black levels rise rapidly at even moderate angles. Colors stay accurate even at wide angles, which is great, and the brightness only drops to half at an even wider angle, which is great.

7.1 Vertical Viewing Angle
What it is: Color accuracy when viewed from the top or bottom.
Samsung U32J590/UJ59 Vertical Color Shift Picture
Color Shift from Below
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°
:
27 °
Color Shift from Above
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°
:
33 °
Samsung U32J590/UJ59 Vertical Brightness Picture
Brightness from Below
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°
:
36 °
Brightness from Above
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°
:
43 °
Samsung U32J590/UJ59 Vertical Black Level Picture
Black Level from Below
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°
:
30 °
Black Level from Above
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 °

Decent vertical viewing angles, as good as the LG 32UD59, and above average for VA panels. Whether you are looking at this monitor from above or below doesn't matter, the image remains accurate even at moderate angles. At around 30° the colors become inaccurate and the black levels are too high.

8.1 Gray Uniformity
What it is: Evenness of colors onscreen (not just gray).
When it matters: Solid colors. Sports, panning shots.
Score components:
Samsung U32J590/UJ59 50% Uniformity Picture
50% Std. Dev.
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%
:
2.283 %
50% DSE
What it is: Dirty Screen Effect. 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%
:
0.155 %
Samsung U32J590/UJ59 5% Uniformity Picture
5% Std. Dev.
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%
:
1.325 %
5% DSE
What it is: Dirty Screen Effect. High-frequency variance of uniformity. Dark spots on the screen.
When it matters: Dark scenes.
Good value: < 0.116%
:
0.072 %

Great gray uniformity. Again, the UJ590 is nearly identical to the CF398. When playing sports games or browsing the web, there is below average dirty screen effect (DSE), which is great. In near-dark scenes the uniformity is even better, with very little DSE.

6.5 Black Uniformity
What it is: Evenness of blacks.
When it matters: Dark scenes viewed in a dark room.
Score components:
Samsung U32J590/UJ59 Native Black Uniformity Picture
Native Std. Dev.
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.
:
1.658 %
Std. Dev. w/ L.D.
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 Samsung UJ590 has decent black uniformity. There is some clouding noticeable, but very little backlight bleed or flashlighting.

7.5 Pre Calibration
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 U32J590/UJ59 Pre Calibration Picture Samsung U32J590/UJ59 Pre Gamma Curve Picture Samsung U32J590/UJ59 Pre Color Picture
Picture Mode
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.
:
User
Luminance
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.
:
218 cd/m²
Luminance Settings
What it is: The luminance settings, often named 'Brightness' on monitors, usually range from 0 to 100.
:
100
Contrast Setting
What it is: The monitor contrast setting, usually ranging from 0 to 100.
:
75
RGB controls
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.
:
Cool 1
Color Temperature
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
:
6875 K
White Balance dE
What it is: Average inaccuracy of shades of gray.
When it matters: Overall color temperature of all video.
Good value: < 3
Noticeable difference: 1
:
2.88
Color dE
What it is: Average inaccuracy of colors.
When it matters: All colors.
Good value: < 3
Noticeable difference: 1
:
3.11
Gamma
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
:
2.22

Out of the box, the Samsung U32J590UQN has good accuracy. The white point and color error are high enough that some enthusiasts might notice it, but not high enough to be noticeable by most people. The gamma curve is a bit high, so some darker scenes appear too dark. Finally, the color temperature is a bit on the cool side.

9.3 Post Calibration
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 U32J590/UJ59 Post Calibration Picture Samsung U32J590/UJ59 Post Gamma Curve Picture Samsung U32J590/UJ59 Post Color Picture
Picture Mode
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.
:
User
Luminance
What it is: The luminance at which the calibration was executed. We aim for a luminance level of 100 cd/m².
:
101 cd/m²
Luminance Settings
What it is: The luminance settings, often named 'Brightness' on monitors, usually range from 0 to 100.
:
22
Contrast Setting
What it is: The monitor contrast setting, usually ranging from 0 to 100.
:
75
RGB Controls
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.
:
37-35-44
Color Temperature
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
:
6602 K
White Balance dE
What it is: Average inaccuracy of shades of gray.
When it matters: Overall color temperature of all videos.
Good value: < 3
Noticeable difference: 1
:
1.08
Color dE
What it is: Average inaccuracy of colors.
When it matters: All colors.
Good value: < 3
Noticeable difference: 1
:
0.77
Gamma
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
:
2.19

After calibration, nearly all inaccuracies are corrected. The gamma follows the target curve nearly perfectly, and any remaining inaccuracies in the white balance and color are not noticeable. The color temperature is much closer to the calibration target of 6500 K.

You can download our ICC profile calibration here. This is provided for reference only and should not be used, as the calibration values vary per individual unit even for the same model due to manufacturing tolerances.

9.3 SDR Color Gamut
What it is: The palette of colors the monitor can display
When it matters: General content consumption or production
Score components:
Samsung U32J590/UJ59 Color Gamut sRGB Picture
sRGB xy
What it is: Coverage of the sRGB 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%
:
99.1 %
Samsung U32J590/UJ59 Color Gamut ARGB Picture
Adobe RGB xy
What it is: Coverage of the Adobe RGB colorspace on CIE 1931 xy.
When it matters: Professional photography.
Good value: > 90%
Noticeable difference: 5%
:
87.6 %

s.RGB Picture Mode: User (Calibrated)
Adobe RGB Picture Mode: User

The Samsung UJ59 has an excellent SDR color gamut. It almost perfectly covers the smaller s.RGB color space, and has excellent Adobe RGB coverage as well, great for professional photo and video editing. These results are nearly identical to the CF398 and LG 32UD59-B.

9.6 SDR Color Volume
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 U32J590/UJ59 sRGB Color Volume ITP picture
sRGB in ICtCp
What it is: How much of the sRGB colorspace a monitor can display at different luminosity levels
When it matters: Most content, including web, SDR video games, and SDR media creation
:
99.4 %
Samsung U32J590/UJ59 Adobe RGB Color Volume ITP Picture
Adobe RGB in ICtCp
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
:
93.5 %

s.RGB Picture Mode: User
Adobe RGB Picture Mode: User

Outstanding SDR color volume. The Samsung U32J590 can produce bright and dark colors across the entire color gamut at almost all brightness levels.

0 HDR Color Gamut
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
What it is: Whether the monitor can support wider color gamuts
When it matters: HDR content and media creation
:
No
DCI P3 xy
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
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

The U32J590 does not support HDR, and so it cannot display an HDR color gamut.

0 HDR Color Volume
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
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
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 is not supported on the U32J590UQN.

10 Image Retention
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 U32J590/UJ59 Image Retention Picture
IR after 0 min recovery
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%
:
0.00 %
IR after 2 min recovery
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%
:
0.00 %
IR after 4 min recovery
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%
:
0.00 %
IR after 6 min recovery
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%
:
0.00 %
IR after 8 min recovery
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%
:
0.00 %
IR after 10 min recovery
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%
:
0.00 %

There are no signs of temporary image retention on the UJ590, even immediately after displaying our high contrast static test pattern for 10 minutes.

9.2 Gradient
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 U32J590/UJ59 Gradient Picture
Color Depth
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 gradient handling. There is some banding visible in darker scenes, but not enough to cause any issues under normal use.

10 Color Bleed
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 U32J590/UJ59 Color bleed horizontal
Pixel row error
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%
:
0.000 %
Samsung U32J590/UJ59 Color bleed vertical
Pixel column error
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%
:
0.000 %

There are no pixel errors whatsoever, which is great.

7.5 Reflections
What it is: How much light is reflected by the TV.
When it matters: Bright rooms.
Score components: Subjectively assigned
Samsung U32J590/UJ59 Average room Samsung U32J590/UJ59 Average room off picture Samsung U32J590/UJ59 Bright room off picture

Decent reflections handling, similar to the VG245H and the Samsung UE590.

7.5

Motion

Score components:

The Samsung U32J590 has good motion handling. It has a great response time that results in low motion blur behind fast moving objects. It supports FreeSync, which is great, but has a maximum refresh rate of 60 Hz that may be insufficient for more demanding gamers. Unfortunately, there is PWM flicker at low backlight levels, but this shouldn't be a problem for most people, as the monitor can't get very bright, so most people will want to keep the backlight above this level.

8.1 Motion Blur
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 U32J590/UJ59 Motion Blur Picture Samsung U32J590/UJ59 Response Time Chart
80% Response Time
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
:
6.2 ms
100% Response Time
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
:
16.7 ms
Best Overdrive Setting
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.
:
Standard

Standard
Faster
Fastest

The U32J590 has a very good response time. There is a slight blur-trail behind fast moving objects, but this shouldn't be very noticeable with normal content.

There are some duplications noticeable in our photo due to the PWM flicker. This should not be noticeable under normal viewing conditions, as most people will have the backlight set bright enough that there is no flicker.

The Response Time setting can be adjusted to customize the Overdrive. There are three levels, but we recommend using 'Standard'. The other two modes provide slightly faster response times, but with higher levels of overshoot that may bother some people.

4.5 Image Flicker
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 U32J590/UJ59 Backlight Picture
Flicker-free : No
PWM Dimming Frequency
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)
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
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
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

Unfortunately, the Samsung U32J590 uses PWM to dim the backlight at lower backlight levels. Since the monitor is not very bright, this shouldn't be an issue for most people, as there is no flicker at higher brightness settings.

7.8 Refresh Rate
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
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
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
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
G-SYNC Compatible
What it is: We test for FreeSync compatibility with an NVIDIA GTX1060. We check for any excess blur, screen blanking, or excess tearing, and confirm the variable refresh rate range.
When it matters: If you have an NVIDIA graphics card.
Good value: Yes
:
Partial
VRR Maximum
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
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
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, HDMI

Update 05/10/2019: We have retested the UJ590 with NVIDIA drivers 430.39, and FreeSync is now working properly on our GTX 1060 6 Gb, but only with the FreeSync setting on the monitor set to 'Ultimate'.

The maximum refresh rate is 60 Hz, which may disappoint some people. It supports FreeSync over HDMI and DisplayPort.

FreeSync has two modes on this monitor: Ultimate Engine provides the widest FreeSync range, and results in the least amount of screen tearing. In some cases, there may be some noticeable screen flicker in this mode, which can be reduced by switching to the Standard Engine, although this mode has a reduced VRR range of 50-60 fps.

9.0

Inputs

Score components:

The Samsung UJ59 has excellent low input lag across any mode. It has a great screen size and resolution that is great for gaming or office work. It also has a good selection of inputs, but unfortunately, only one of the two HDMI ports supports 4k @ 60 Hz.

8.8 Input Lag
What it is: Delay between input and onscreen reaction.
When it matters: General usage of the mouse and gaming.
Native Resolution
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
:
9.6 ms
Non-Native Res @ Native Refresh
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
:
9.8 ms
Native Resolution @ 60 Hz
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
:
9.6 ms
Variable Refresh Rate
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
:
10.0 ms
HDR
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)
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

Excellent low input lag in any mode, even with FreeSync enabled.

9.2 Resolution and Size
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 : 3840 x 2160
Aspect Ratio : 16:9
Megapixels : 8.3 MP
Pixel Density : 139 PPI
Screen Diagonal : 31.6 inches
Screen Area : 426 sq inches

The 32", 4k screen is great for multitasking, as it provides a great deal of screen real estate. It also provides for a more immersive gaming experience.

Inputs
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 U32J590UQN has two HDMI ports, but only HDMI 2 supports 4k @ 60 Hz, whereas HDMI 1 is limited to 4k @ 30 Hz.

Features

The Samsung U32J590 has a few additional features. It can display the image from two sources simultaneously, either side-by-side or picture-in-picture. It also has a Game Mode, that adjusts the gamma and contrast to make it easier to see objects hiding in shadows. The OSD is simple and easy to use, but the controls can be confusing at times.

Additional Features
What it is: Additional features found on the monitor
Speakers
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.
:
Yes
HDR10 : No

The UJ590 has internal speakers, but it does not support HDR. It also has a few additional features:

  • Game Mode: Adjusts picture settings, including contrast, to make it easier to spot to see fine details in some scenes.
  • Picture-In-Picture/Picture-By-Picture: Allows you to display the image from multiple inputs at once, either side-by-side, or as a floating image.
  • On-Screen Display (OSD)
    Controls
    In The Box
    Samsung U32J590/UJ59 In The Box picture

    • Manual
    • Power Adapter
    • HDMI Cable
    • Stand Hole Cover

    Differences between Sizes and Variants

    We tested the Samsung U32J590 version LA01 (lu32j590uqnxza), which is the only size available.

    If someone comes across a different type of panel or if their Samsung U32J590 doesn't correspond to our review, let us know and we will update the review. Note that some tests such as the gray uniformity may vary between individual units.

    Model Size Resolution Refresh Rate Notes
    U32J590 32" 4k 60 Hz  FreeSync
    U28E590D 28" 4k 60 Hz FreeSync
    C27F398 27" 1080p 60 Hz FreeSync

    The U32J590 we reviewed was manufactured in October 2018.

    Compared to other Monitors

    Samsung U32J590/UJ59 Group Shot Picture
    Left: LG 27UK650. Middle: Samsung UJ590. Right: Samsung UE590.
    Unlike our other photographs, this picture wasn't taken under a controlled environment, so do not draw conclusions from it.

    The Samsung U32J590 offers decent performance, but there are similar monitors that outperform it. See our recommendations for the best 28-32 inch monitors, the best 4k gaming monitors, and the best 4k monitors.

    LG 32UD59-B

    The LG 32UD59-B is better than the Samsung UJ590. The LG has a completely flicker-free backlight, and the stand has an adjustable height. The LG is also much brighter and has two full bandwidth HDMI 2.0 ports that support 4k @ 60Hz.

    BenQ EW3270U

    The BenQ EW3270U is better than the Samsung UJ590. The BenQ supports HDR, and the backlight is completely flicker-free. The BenQ EW3270U is also much brighter than the Samsung UJ590, and it has two full bandwidth HDMI 2.0 ports that can display 4k @ 60Hz.

    Samsung UE590

    The Samsung UJ590 is better than the UE590. The newer UJ590 has a much better native contrast ratio, thanks to the VA panel. It also has better viewing angles, and much better Adobe RGB color volume. The older UE590 is a lot brighter.

    Samsung CF398

    The Samsung UJ590 is slightly better than the Samsung CF398. The UJ590 has a higher resolution, 4k screen that is better suited for multitasking. The CF398 is flicker-free, whereas the UJ590 has PWM flicker at low brightness levels.

    Conclusion
    SEE PRICE
    Amazon.com

    7.1Mixed Usage
    Score components:
    Decent monitor for mixed usage, but it doesn't excel at any one usage. It delivers decent picture quality, but can't get very bright, and it has disappointing viewing angles. The stand has terrible ergonomics, making it difficult to place. Good motion handling for gaming and movies, but there is PWM flicker at low backlight settings.
    Decent monitor for office use. The large, high resolution screen, and picture-in-picture/picture-by-picture support are all great for multitasking. Unfortunately, although it has good reflections handling, it can't get very bright to overcome glare, and the stand has terrible ergonomics.
    The Samsung UJ59 is an okay monitor for gaming. It has decent motion handling and a great response time, as well as FreeSync support, which is nice. It also has excellent low input lag. Unfortunately, there is PWM flicker at low brightness levels, and the max 60 Hz refresh rate may disappoint more serious gamers.
    Decent monitor for multimedia. The large, high resolution screen is great for watching the latest 4K movies. It can't get very bright, but has good reflections handling, a very good contrast ratio and a great response time. Unfortunately, the image degrades when viewed at an angle and it doesn't support HDR.
    Okay monitor for media creation. The large, high resolution screen allows you to see more of your project at once. Unfortunately, the stand has terrible ergonomics, and the image degrades when viewed at an angle.
    The U32J590UQN does not support HDR. For a decent HDR Gaming monitor, take a look at the CHG70, also by Samsung.

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