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Samsung Odyssey OLED G8/G85SB S34BG85 Monitor Review

Tested using Methodology v2.0
Review updated Apr 09, 2024 at 12:40 pm
Latest change: Retest Nov 20, 2024 at 07:21 am
Samsung Odyssey OLED G8/G85SB S34BG85 Picture
8.9
PC Gaming
8.2
Console Gaming
7.5
Office
8.7
Editing
6.6
Brightness
9.8
Response Time
9.5
HDR Picture
9.9
SDR Picture
8.4
Color Accuracy

The Samsung Odyssey OLED G8/G85SB S34BG85 is a curved 34-inch ultrawide gaming monitor with a 175Hz refresh rate. Part of the Odyssey gaming lineup alongside the larger Samsung Odyssey OLED G9/G95SC S49CG95, it's one of a few models from Samsung that feature a QD-OLED panel, and it competes with other ultrawide displays that use the same panel, like the Dell Alienware AW3423DWF and the MSI MEG 342C QD-OLED. This panel technology aims to provide high-end gaming performance combined with premium picture quality. It has all kinds of different features, from VRR support to the Tizen OS smart platform built-in. It's worth noting that, unlike some competitors, Samsung's one-year warranty doesn't cover burn-in in North America, though this may vary from region to region.

Our Verdict

8.9 PC Gaming

The Samsung Odyssey OLED G8 is excellent for PC gaming. Its 175Hz refresh rate is good enough for most gamers, and it supports all common VRR formats to reduce screen tearing. The lightning-quick response time also results in incredibly sharp motion, and it has low input lag for a responsive feel. Its near-infinite contrast ratio is fantastic for gaming in dark rooms, as blacks are deep and inky, and it also displays vivid colors. On the other hand, blacks look purple in bright environments.

Pros
  • Large 34-inch ultrawide screen.
  • Near-infinite contrast ratio.
  • Exceptionally sharp motion.
  • Supports all common VRR formats.
  • Low input lag.
Cons
  • Ambient light causes blacks to have a purple tint.
  • Noticeable VRR flicker with changing frame rates.
8.2 Console Gaming

The Samsung Odyssey OLED G8 is great for console gaming. Although the PS5 and Xbox Series X|S don't support ultrawide gaming, and the monitor can't take full advantage of the consoles with 4k gaming up to 120Hz, it still performs well in terms of pure gaming performance. It has a near-instantaneous response time, leading to exceptionally sharp motion, and it has low input lag for a responsive feel. It also displays deep and inky blacks in dark rooms, resulting in outstanding picture quality, but its black levels rise in bright rooms.

Pros
  • Near-infinite contrast ratio.
  • Exceptionally sharp motion.
  • Low input lag.
  • Displays vivid colors.
Cons
  • Ambient light causes blacks to have a purple tint.
  • Can't take full advantage of consoles.
7.5 Office

The Samsung Odyssey G8 is decent for office use. The ultrawide 34-inch screen offers a lot of space to multitask, and the screen's slight curve helps bring the edges within your field of vision. Despite having limited ergonomics, you can still share the screen with someone sitting next to you, thanks to the wide viewing angles. It handles reflections well but doesn't get bright enough to fight a ton of glare. Sadly, there are text clarity issues due to its subpixel layout, and OLEDs like this are prone to burn-in with constant exposure to the same static elements over time.

Pros
  • Large 34-inch ultrawide screen.
  • Wide viewing angles.
Cons
  • Text clarity issues.
  • Ambient light causes blacks to have a purple tint.
  • Risk of burn-in with static elements.
8.7 Editing

The Samsung G8 OLED is excellent for content creators. There's plenty of screen real estate to have multiple windows open side-by-side. The wide viewing angles let you share the screen with someone else as the image remains consistent from the sides, but it has limited ergonomics. It also displays a wide range of colors and has great accuracy before calibration. Sadly, its curved screen can take time to get used to, and there are text clarity issues, resulting in color fringing. There's also a risk of burn-in with constant exposure to the same static elements over time.

Pros
  • Large 34-inch ultrawide screen.
  • Wide viewing angles.
  • Near-infinite contrast ratio.
  • Displays a wide color gamut.
  • Great accuracy before calibration.
Cons
  • Text clarity issues.
  • Ambient light causes blacks to have a purple tint.
  • Risk of burn-in with static elements.
6.6 Brightness

The Samsung Odyssey OLED G8 has okay brightness. It isn't bright enough to fight intense glare in well-lit rooms, but it's still fine if you have a few lights around. Luckily, it gets brighter in HDR, enough for small highlights to pop against the rest of the image.

Pros
  • Highlights pop.
Cons
  • Not bright enough to fight intense glare.
9.8 Response Time

The Samsung Odyssey OLED G8 has a near-instantaneous response time, leading to exceptionally sharp motion.

Pros
  • Exceptionally sharp motion.
  • Outstanding refresh rate compliance.
Cons
9.5 HDR Picture

The Samsung G85SB is outstanding for HDR. It displays deep blacks in dark rooms thanks to its near-infinite contrast ratio, and there isn't any blooming around bright objects either. Its QD-OLED panel also displays a wide range of colors, making them bright and vivid.

Pros
  • Near-infinite contrast ratio.
  • No blooming around bright objects.
  • Displays vivid colors.
Cons
  • Ambient light causes blacks to have a purple tint.
9.9 SDR Picture

The Samsung Odyssey OLED G8 has outstanding SDR picture quality, displaying deep and inky blacks in dark rooms and a wide range of colors.

Pros
  • Near-infinite contrast ratio.
  • No blooming around bright objects.
  • Displays a wide color gamut.
Cons
  • Ambient light causes blacks to have a purple tint.
8.4 Color Accuracy

The Samsung Odyssey G8 has impressive color accuracy. It has great accuracy before calibration, and while calibrating it improves accuracy, it isn't as good as other monitors. It has excellent gray uniformity, so the image remains consistently accurate throughout the screen.

Pros
  • Great accuracy before calibration.
Cons
  • 8.9 PC Gaming
  • 8.2 Console Gaming
  • 7.5 Office
  • 8.7 Editing

Performance Usages

  • 6.6 Brightness
  • 9.8 Response Time
  • 9.5 HDR Picture
  • 9.9 SDR Picture
  • 8.4 Color Accuracy
  1. Updated Nov 20, 2024: We uploaded the latest brightness measurements and uniformity photos for the Accelerated Longevity Test.
  2. Updated Sep 12, 2024: Clarified that the VRR Control setting reduces VRR Flicker, at the cost of introducing stutter and increasing Input lag.
  3. Updated Sep 11, 2024: We uploaded the latest brightness measurements and uniformity photos for the Accelerated Longevity Test.
  4. Updated Jul 17, 2024: We uploaded the latest brightness measurements and uniformity photos for the Accelerated Longevity Test.
  5. Updated Jun 04, 2024: Clarified that some users are reporting issues with the HDR Brightness over DisplayPort, but due to testing limitations, we can't currently test the brightness over DisplayPort to confirm that.
  6. Updated May 02, 2024: We uploaded the latest brightness measurements and uniformity photos for the Accelerated Longevity Test.
  7. Updated Apr 26, 2024: Corrected the scores in Console Compatibility to reflect that it needs to downscale 4k signals.
  8. Updated Apr 19, 2024: Clarified that the USB-C ports support upstream, but you need to change the USB Source Setup setting for it to work.
  9. Updated Apr 17, 2024: Updated text throughout the review according to Test Bench 2.0, mainly in the Verdict and Motion sections.
  10. Updated Apr 17, 2024: We've converted this review to Test Bench 2.0. This includes new tests for VRR Motion Performance, Refresh Rate Compliance, Cumulative Absolute Deviation (CAD), and VRR Flicker. You can read the full changelog here.
  11. Updated Feb 13, 2024: We uploaded the latest brightness measurements and uniformity photos for the Accelerated Longevity Test.
  12. Updated Dec 11, 2023: Clarified that HDR only works with 4k signals on the Xbox Series X|S, which is a limitation of the console itself.
  13. Updated Dec 05, 2023: We uploaded the latest brightness measurements and uniformity photos for the Accelerated Longevity Test.
  14. Updated Oct 12, 2023: We uploaded the latest brightness measurements and uniformity photos for the Accelerated Longevity Test.
  15. Updated Sep 26, 2023: Updated the monitor to firmware 1520, which disables the Peak Brightness setting in SDR, and retested the SDR Brightness with it off.
  16. Updated Aug 09, 2023: We uploaded the latest brightness measurements and uniformity photos for the Accelerated Longevity Test.
  17. Updated Aug 04, 2023: Added in the Introduction that the Samsung Odyssey OLED G9/G95SC S49CG95 is Samsung's second QD-OLED monitor.
  18. Updated Jul 21, 2023: Clarified in Build Quality that the stand wobbles depending on the surface it's on, but it's still solid overall.
  19. Updated Jul 13, 2023: Fixed the cropping of the Black Uniformity photo, and added that the MSI MEG 342C QD-OLED is another QD-OLED that can take full advantage of the Xbox Series X|S.
  20. Updated Jun 07, 2023: We uploaded the latest brightness measurements and uniformity photos for the Accelerated Longevity Test.
  21. Updated Apr 12, 2023: Corrected a mistake in SDR Brightness by measuring it with Peak Brightness on 'High' instead of 'Off'.
  22. Updated Apr 12, 2023: Added that the recently-reviewed LG 45GR95QE-B has an even higher 240Hz Refresh Rate.
  23. Updated Apr 03, 2023: We uploaded the initial brightness measurements and uniformity photos for the Accelerated Longevity Test.
  24. Updated Mar 29, 2023: Looked into the HDR Brightness performance with AMD and NVIDIA graphics cards; added photos of the Text Clarity with Better ClearType Tuner.
  25. Updated Mar 16, 2023: Updated the firmware to 1442 and retested the HDR Brightness, which isn't different compared to before the update. Also confirmed that 4k @ 60Hz works on the PS5, but only if you disable Game Mode.
  26. Updated Mar 13, 2023: Added extra information about the warranty in Additional Features to specify that the warranty can change between regions and countries.
  27. Updated Mar 09, 2023: Review published.
  28. Updated Feb 28, 2023: Early access published.
  29. Updated Feb 20, 2023: Our testers have started testing this product.
  30. Updated Feb 16, 2023: The product has arrived in our lab, and our testers will start evaluating it soon.
  31. Updated Feb 08, 2023: We've purchased the product and are waiting for it to arrive in our lab.

Differences Between Sizes And Variants

We tested the 34-inch Samsung Odyssey OLED G8, which is the only size available and the results are only valid for this model. There are other monitors that share the G8 name, but they're different, and you can see the differences between them below.

Size Name Resolution Refresh Rate Panel Type Release Year
32" Odyssey Neo G8 S32BG85 4k 240Hz VA 2022
32" Odyssey OLED G8/G80SD 4k 240Hz QD-OLED 2024
34" Odyssey OLED G8/G85SB 3440x1440 175Hz QD-OLED 2023

Our unit was manufactured in September 2022, and you can see the label here. We originally tested it with firmware 1421 but have since retested parts of it with firmware 1442 and 1520.

Compared To Other Monitors

The Samsung Odyssey OLED G8 is an excellent gaming monitor with incredibly sharp motion. Its QD-OLED panel allows it to have outstanding picture quality and get brighter than monitors that use a more traditional WOLED panel. It uses the same panel as the Dell Alienware AW3423DW and the Dell Alienware AW3423DWF, which both perform similarly, so the Samsung is a good choice if you can find it for less than the Dell monitors. You can also consider the Dell Alienware AW2725DF if you want a QD-OLED monitor with a 360Hz refresh rate, but it has a smaller screen.

Also, check out our recommendations for the best ultrawide monitors, the best ultrawide gaming monitors, and the best gaming monitors.

Dell Alienware AW3423DWF

The Dell Alienware AW3423DWF and the Samsung Odyssey OLED G8/G85SB S34BG85 use the same QD-OLED display. They perform closely in visual performance, and they offer relatively similar features. If you're going to use your monitor for purposes that involve a lot of static screens, like office work or media creation, you have to factor in burn-in. As a result, the Dell is a better option as it comes with a three-year replacement warranty against burn-in. If you enjoy watching content, the Samsung also comes with the Tizen OS built-in, meaning you can stream media directly from the monitor.

Dell Alienware AW3423DW

The Dell Alienware AW3423DW and the Samsung Odyssey OLED G8/G85SB S34BG85 use the same QD-OLED display. This means that the visual performances are very close. The main difference lies with the variable refresh rate technology they use. If you have an NVIDIA graphics card, the Dell serves you better as it has native G-SYNC, which gives you a few extra features to take advantage of your graphics card setup. On the other hand, the Samsung can downscale 4k at 60Hz, which is helpful if you also need to connect an Xbox Series X|S.

Samsung Odyssey OLED G8/G80SD S32DG80

The Samsung Odyssey OLED G8/G85SB S34BG85 and the Samsung Odyssey OLED G8/G80SD S32DG80 are both QD-OLED monitors. The G80SD is the better choice if you have a powerful gaming PC, as it has a higher 240Hz refresh rate and better compatibility with game consoles. It's also better for office or editing work, as it has a more detailed 4k display with sharper text. However, the G85SB is a better option if you don't have a very powerful gaming PC, as games run at a higher frame rate on the monitor's native 1440p resolution than the G80SD at its native 4k resolution. You may also prefer the G85SB if you want an extremely immersive gaming experience, as it has an ultrawide display.

Samsung Odyssey Neo G8 S32BG85

The Samsung Odyssey Neo G8 S32BG85 and the Samsung Odyssey OLED G8/G85SB S34BG85 are high-end gaming monitors, but they differ in some ways. The Neo G8 uses Mini LED backlighting, making it brighter than the OLED G8. If you enjoy watching movies, the Neo G8 has a higher resolution, and if you're gaming competitively, it has a higher refresh rate and a much lower input lag, translating to a more responsive gaming experience. For those who also game on new-gen consoles, the Neo G8 has HDMI 2.1 bandwidth. On the other hand, if you're gaming in a dark room, the OLED G8 offers a better experience thanks to its QD-OLED panel and higher contrast. The QD-OLED panel also makes for sharper motion handling than the Neo G8.

Samsung Odyssey OLED G9/G95SC S49CG95

The Samsung Odyssey OLED G8/G85SB S34BG85 and the Samsung Odyssey OLED G9/G95SC S49CG95 are similar monitors, with the main difference being their size. The OLED G9 has a wider screen with a 32:9 aspect ratio compared to 21:9 on the OLED G8, and it also has a higher 240Hz refresh rate. The OLED G9 has a slight advantage regarding HDR brightness, but the difference is hard to tell. Besides that, they're very similar monitors with most of the same features.

MSI MPG 341CQPX QD-OLED

The Samsung Odyssey OLED G8/G85SB S34BG85 and the MSI MPG 341CQPX QD-OLED are 34-inch QD-OLED ultrawide gaming monitors. For most people, the MSI is the better option, as it has a higher refresh rate for smoother motion, a KVM switch, and HDMI 2.1 bandwidth. That said, the Samsung is an excellent monitor, and if you can find it for less it can be a great choice.

MSI MEG 342C QD-OLED

The Samsung Odyssey OLED G8/G85SB S34BG85 and the MSI MEG 342C QD-OLED are similar monitors that use the same QD-OLED panel. There still are a few differences, though, as the Samsung monitor has a built-in smart system, making it easier to stream content without needing a PC. While they both support HDMI 2.1 bandwidth, the MSI works with 4k @ 120Hz signals from the Xbox Series X|S and PS5, which the Samsung model can't do. They each have USB-C ports, but the MSI has a few extra features, like a KVM switch and Picture-by-Picture and Picture-in-Picture modes.

ASUS ROG Swift OLED PG34WCDM

Both the ASUS ROG Swift OLED PG34WCDM and the Samsung Odyssey OLED G8/G85SB S34BG85 are 34-inch ultrawide OLED gaming monitors. Both monitors are superb for gaming and have incredible HDR performance. If you're looking for a smooth gaming experience, then the ASUS's high refresh rate makes it a better choice. It's also better if you want to reduce persistence blur in games, as it has a BFI feature. However, the Samsung is a better choice if rich colors are important to you, as it has more vivid HDR colors.

LG 45GR95QE-B

The LG 45GR95QE-B and the Samsung Odyssey OLED G8/G85SB S34BG85 are both fantastic ultrawide OLED gaming monitors, but they have a few differences. The Samsung monitor offers better overall picture quality thanks to its QD-OLED panel that delivers brighter highlights. It also has a smaller 34-inch screen and better image clarity thanks to its increased pixel density. However, the LG has a higher 240Hz refresh rate that makes it ideal for playing games at a high frame rate, and unlike the Samsung, the black levels don't raise when you have it in a bright room.

ASUS ROG Swift OLED PG27AQDM

The Samsung Odyssey OLED G8/G85SB S34BG85 and the ASUS ROG Swift OLED PG27AQDM are different types of OLED displays. The Samsung is an ultrawide monitor with a larger screen, and it uses extra quantum dot technology to display a wider range of colors that are brighter and more vivid than on the ASUS. The Samsung also has a built-in smart system, making it easier to stream your favorite content without the need for a PC. The ASUS also gets brighter in HDR, so small highlights pop more. The ASUS also has a higher 240Hz refresh rate, which makes it ideal for competitive gamers.

LG 42 C2 OLED

The LG 42 C2 OLED, which is a TV we tested as a monitor, and the Samsung Odyssey OLED G8/G85SB S34BG85 both use an OLED panel, but the Samsung is a QD-OLED. This means you have a wider range of colors with better luminance levels than the LG. If you're gaming on a PC, the Samsung monitor's 175Hz maximum refresh rate makes it a better choice. If you mostly game on new-gen consoles and enjoy watching movies, the LG is a better option because of its 4k resolution.

LG 27GR95QE-B

The Samsung Odyssey OLED G8/G85SB S34BG85 and the LG 27GR95QE-B are 1440p OLED gaming monitors with a few differences. The Samsung has an ultrawide screen for a more immersive gaming experience, and its QD-OLED panel also delivers better picture quality with brighter highlights and more vivid colors. However, the LG has a higher 240Hz refresh rate, which is great if you're a competitive gamer, and it supports 4k @ 120Hz gaming from consoles. Lastly, the LG doesn't have the same raised black level issue in bright rooms as the Samsung, meaning blacks are still deep and inky when viewed in well-lit rooms.

Corsair XENEON 27QHD240

The Samsung Odyssey OLED G8/G85SB S34BG85 and the Corsair XENEON 27QHD240 are different types of OLEDs. The Samsung has an ultrawide display with a QD-OLED panel, allowing it to get much brighter with more vivid colors than the Corsair. On the other hand, the Corsair has a higher 240Hz refresh rate, which is ideal for competitive gaming, and it supports 4k signals up to 120Hz from the PS5 and Xbox Series X|S, which the Samsung monitor can't do.

Samsung Odyssey Ark S55BG970

The Samsung Odyssey Ark S55BG970 and the Samsung Odyssey OLED G8/G85SB S34BG85 are both great monitors with different purposes. The OLED displays perfect blacks without any blooming, and it also displays a wider range of vivid colors, making it the better choice for HDR content. The OLED has better motion handling and a DisplayPort input with a slightly higher refresh rate, so your graphics card doesn't need to support HDMI 2.1 bandwidth to take full advantage of it like it needs for the Ark. However, the Ark is better for use in well-lit rooms as it gets much brighter, and you can use it in portrait mode, giving you more vertical screen space.

Corsair XENEON FLEX 45WQHD240

The Samsung Odyssey OLED G8/G85SB S34BG85 and the Corsair XENEON FLEX 45WQHD240 are both fantastic OLED gaming monitors with a few differences. The Samsung has a smaller screen, but because they have the same resolution, the Corsair has lower pixel density and worse image sharpness. The Samsung also has a QD-OLED panel that gets brighter and delivers more vivid colors than the Corsair for an improved HDR experience. On the other hand, the Corsair has a higher 240Hz refresh rate and a bendable screen that lets you adjust its curve to your liking.

LG 42 OLED Flex

The LG 42 OLED Flex and the Samsung Odyssey OLED G8/G85SB S34BG85 are both fantastic, but there are a few differences. The LG is a 42-inch TV with more processing features; you can bend its screen up to 900R. It also has better compatibility with current-gen gaming consoles thanks to its HDMI 2.1 bandwidth and 4k resolution. On the other hand, the Samsung has a 34-inch screen for an immersive feel, and it also delivers better picture quality thanks to its brighter highlights and more vivid colors.

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Test Results

perceptual testing image
Design
Design
Style
Curved
Yes
Curve Radius
1800R

This monitor has a premium design, and it's made of black and silver plastic, with a slightly curved screen that helps bring its edges within your field of view. It also has RGB lighting on the back, and vents at the bottom.

Design
Accelerated Longevity Test
Uniformity Pictures
8.5
Design
Build Quality

The build quality is excellent. The plastic materials feel premium, and the stand is solid, but it doesn't prevent all wobble, as the screen wobbles if it's on an unstable desk. The one downside is that the bottom of the screen curves upward, but it's barely noticeable and doesn't impact performance.

6.7
Design
Ergonomics
Min Height To Top Of Panel
15.5" (39.3 cm)
Height Adjustment
4.7" (12.0 cm)
Tilt Range
-20° to 2.5°
Rotate Portrait/Landscape
No
Swivel Range
No swivel
Wall Mount
VESA 100x100

The Samsung G8 OLED offers limited ergonomics adjustments, making it hard to place it in an ideal position. It has an opening in the back of the stand for cable management. It hides the cables well, and you don't see them from the front.

Design
Stand
Base Width
7.2" (18.2 cm)
Base Depth
7.6" (19.3 cm)
Thickness (With Display)
5.3" (13.5 cm)
Weight (With Display)
16.7 lbs (7.6 kg)
Design
Display
Size
34"
Housing Width
32.1" (81.5 cm)
Housing Height
14.1" (35.7 cm)
Thickness (Without Stand)
2.2" (5.5 cm)
Weight (Without Stand)
12.2 lbs (5.5 kg)
Borders Size (Bezels)
0.4" (1.1 cm)
Design
Controls

The Samsung G8 comes with Tizen OS built-in, and you can change the settings with the included remote. There's a switch underneath the screen that allows you to mute the remote's microphone control and a power button on the back of the monitor.

Design
In The Box
Power Supply
External Brick

  • Mini DisplayPort to DisplayPort cable
  • Power supply and cable
  • Remote
  • VESA-mount adapter
  • User guides

Picture Quality
10
Picture Quality
Contrast
Native Contrast
Inf : 1
Contrast With Local Dimming
Inf : 1

The Samsung Odyssey G8 has a near-infinite contrast ratio, thanks to its OLED panel, which translates to deep and inky blacks next to bright highlights in dark rooms. However, blacks look purple in a bright room when there's light directly on the screen because it doesn't have a polarizer layer.

10
Picture Quality
Local Dimming
Local Dimming
No
Backlight
No Backlight

The Samsung G85SB doesn't have a backlight, so it doesn't require a local dimming feature. However, with a near-infinite contrast ratio, there isn't any blooming around bright objects, and it's the equivalent of a perfect local dimming feature. We still film these videos on the monitor so you can see how the screen performs and compare it with a monitor that has local dimming.

6.6
Picture Quality
SDR Brightness
Real Scene
230 cd/m²
Peak 2% Window
249 cd/m²
Peak 10% Window
242 cd/m²
Peak 25% Window
243 cd/m²
Peak 50% Window
242 cd/m²
Peak 100% Window
243 cd/m²
Sustained 2% Window
247 cd/m²
Sustained 10% Window
240 cd/m²
Sustained 25% Window
241 cd/m²
Sustained 50% Window
240 cd/m²
Sustained 100% Window
241 cd/m²
Automatic Brightness Limiting (ABL)
0.002
Minimum Brightness
61 cd/m²

The Samsung Odyssey G8 has okay SDR brightness. It isn't bright enough to fight intense glare, but it at least maintains its brightness consistent across different content. Unfortunately, its minimum brightness is a bit high if you want to use the monitor in the dark and are sensitive to bright lights.

These results are from after calibration in the 'Custom' Picture Mode with Game Mode enabled. After updating it to firmware 1520, which Samsung released in Aug. 2023, you can no longer enable the Peak Brightness setting in SDR, but you could do so before the update. The monitor got much brighter with it on, reaching a Real Scene brightness of 331 cd/m². That said, you can still enable it in HDR, which is useful if you need to use it in a well-lit room.

6.6
Picture Quality
HDR Brightness
VESA DisplayHDR Certification
DisplayHDR TRUE BLACK 400
Real Scene
372 cd/m²
Peak 2% Window
985 cd/m²
Peak 10% Window
456 cd/m²
Peak 25% Window
360 cd/m²
Peak 50% Window
302 cd/m²
Peak 100% Window
255 cd/m²
Sustained 2% Window
977 cd/m²
Sustained 10% Window
454 cd/m²
Sustained 25% Window
357 cd/m²
Sustained 50% Window
300 cd/m²
Sustained 100% Window
252 cd/m²
Automatic Brightness Limiting (ABL)
0.078

The Samsung Odyssey OLED G8 has reasonable HDR brightness. It gets bright enough to make small highlights stand out against dark backgrounds, but larger highlights aren't as bright due to its Automatic Brightness Limiter (ABL). This is most noticeable when minimizing and maximizing windows on the desktop, as you can see the brightness changing, but it isn't as distracting when watching content or playing games.

These results are with an HDMI connection using the settings below. Although we tested it with firmware 1421, it performs similarly with firmware 1442, which was released in Feb. 2023.

  • Game Mode: On
  • Picture Mode: Custom
  • Brightness: 50
  • Peak Brightness: On
  • Game HDR: Off
  • HDR10+ Gaming: Advanced

The HDR Real Scene brightness test is done using an HDFury Vertex Linker connected to a Blu-ray player over HDMI, but the screen doesn't get as bright using the same settings on the desktop in Windows HDR. However, it reaches a brightness of 885 cd/m² in Destiny 2 with Peak Brightness and HDR10+ Gaming both off and Game HDR on. Try using these settings if you find the screen too dim in Windows HDR.

Some users have reported that the brightness is limited over DisplayPort after firmware update 1622, but we can't currently test HDR brightness over DisplayPort due to equipment limitations to confirm that. If you find your monitor too dim, try connecting over HDMI.

The brightness results are also the same with an AMD or NVIDIA graphics card. However, you are locked out of certain settings when using an AMD graphics card with VRR on, like Game HDR. The screen is dimmer because of this, as we measured a brightness of 274 cd/m² in the 2% window in Windows HDR and 385 cd/m² in Destiny 2. If you're using an AMD graphics card and want the brightest image possible, you may have to disable VRR.

The Peak Brightness setting helps maximize the brightness of the display and makes the ABL less aggressive. You can see the results with it off below:

  • Peak 2% Window: 448 cd/m²
  • Peak 10% Window: 454 cd/m²
  • Peak 25% Window: 369 cd/m²
  • Peak 50% Window: 314 cd/m²
  • Peak 100% Window: 269 cd/m²
  • Sustained 2% Window: 447 cd/m²
  • Sustained 10% Window: 450 cd/m²
  • Sustained 25% Window: 366 cd/m²
  • Sustained 50% Window: 312 cd/m²
  • Sustained 100% Window: 265 cd/m²
  • As for the EOTF, it follows the target curve well until there's a slow roll-off at the peak brightness, so it tone maps before your computer does. It performs the same whether you have HDR10+ Gaming set to 'Basic' or 'Advanced.' There's also a separate setting called Game HDR that boosts the EOTF when enabled, as you can see here, but it doesn't change the brightness of the display.

    The EOTF performs similarly if you disable Peak Brightness and HDR10+ Gaming, but leave Game HDR on, as you can see here. There's a sharper roll-off at the peak brightness, so it lets highlights get the brightest they can, but the peak brightness of the display is lower, with the 2% window reaching 452 cd/m² and the 100% window reaching 285 cd/m². Additionally, the EOTF is darker if you disable both HDR10+ Gaming and Game HDR as you can see here.

    10
    Picture Quality
    Horizontal Viewing Angle
    Color Washout From Left
    70°
    Color Washout From Right
    70°
    Color Shift From Left
    70°
    Color Shift From Right
    70°
    Brightness Loss From Left
    70°
    Brightness Loss From Right
    70°
    Black Level Raise From Left
    70°
    Black Level Raise From Right
    70°
    Gamma Shift From Left
    70°
    Gamma Shift From Right
    70°

    The monitor has a fantastic horizontal viewing angle. This means that someone sitting next to you sees the same image as from in front.

    9.9
    Picture Quality
    Vertical Viewing Angle
    Color Washout From Below
    70°
    Color Washout From Above
    70°
    Color Shift From Below
    70°
    Color Shift From Above
    70°
    Brightness Loss From Below
    70°
    Brightness Loss From Above
    70°
    Black Level Raise From Below
    61°
    Black Level Raise From Above
    61°
    Gamma Shift From Below
    70°
    Gamma Shift From Above
    70°

    The vertical viewing angle is outstanding. The image remains consistent if you're standing up and looking down at the screen.

    8.8
    Picture Quality
    Gray Uniformity
    50% Std. Dev.
    0.784%
    50% DSE
    0.125%

    The gray uniformity is amazing. There's no dirty screen effect, so web content, slow panning shots, and sports look good. However, like any OLED panel, there are thin vertical lines with near-blacks, but it isn't noticeable with most content. You can see more examples of this with the Dell Alienware AW3423DW review here.

    10
    Picture Quality
    Black Uniformity
    Native Std. Dev.
    0.433%
    Std. Dev. w/ L.D.
    N/A

    Thanks to its OLED panel, the Samsung Odyssey G8 has exceptional black uniformity, so there's no blooming around bright objects.

    8.0
    Picture Quality
    Color Accuracy (Pre-Calibration)
    Picture Mode
    Game (Custom)
    sRGB Gamut Area xy
    101.7%
    White Balance dE (Avg.)
    4.86
    Color Temperature (Avg.)
    6,759 K
    Gamma (Avg.)
    2.16
    Color dE (Avg.)
    3.04
    Contrast Setting
    50
    RGB Settings
    Gain (0,0,0), Offset (0,0,0)
    Gamma Setting
    2.2
    Brightness Setting
    32
    Measured Brightness
    183 cd/m²
    Brightness Locked
    No

    The accuracy is great before calibration. Setting the Color Space setting to 'Auto' instead of its default of 'Native' locks the colors to the sRGB color space, and you can still change other settings as you wish. The colors are accurate, and even though the color temperature is slightly on the cooler side, it's still close to the 6500K target, but the white balance is off. Also, the gamma curve doesn't follow the target curve well, as most scenes as brighter than intended.

    8.5
    Picture Quality
    Color Accuracy (Post-Calibration)
    Picture Mode
    Game (Custom)
    sRGB Gamut Area xy
    108.9%
    White Balance dE (Avg.)
    0.72
    Color Temperature (Avg.)
    6,470 K
    Gamma (Avg.)
    2.20
    Color dE (Avg.)
    1.42
    Contrast Setting
    50
    RGB Settings
    Gain (6,-7,1), Offset (2,2,1)
    Gamma Setting
    2.2
    Brightness Setting
    3
    Measured Brightness
    101 cd/m²
    ICC Profile
    Download

    The accuracy after calibration is excellent. While the white balance, color temperature, and gamma curve have improved, the gamut area is worse as some colors are slightly oversaturated.

    9.7
    Picture Quality
    SDR Color Gamut
    sRGB Coverage xy
    99.3%
    sRGB Picture Mode
    Game (Custom)
    Adobe RGB Coverage xy
    94.1%
    Adobe RGB Picture Mode
    Game (Custom)

    The Samsung OLED G8 has a superb SDR color gamut. It has full coverage of the sRGB color space and covers the Adobe RGB color space remarkably well. However, there are some inaccuracies with reds and greens in that color space, which is an issue if you edit photos in Adobe RGB.

    9.6
    Picture Quality
    HDR Color Gamut
    Wide Color Gamut
    Yes
    DCI-P3 Coverage xy
    99.6%
    DCI-P3 Picture Mode
    Game (Custom)
    Rec. 2020 Coverage xy
    79.9%
    Rec. 2020 Picture Mode
    Game (Custom)

    The HDR color gamut is fantastic. Its coverage of the DCI-P3 color space used in most HDR content is close to perfect. It also has alright coverage of the wider Rec. 2020 color space, but some colors, like white, are inaccurate.

    8.9
    Picture Quality
    HDR Color Volume
    1,000 cd/m² DCI-P3 Coverage ICtCp
    97.1%
    DCI-P3 Picture Mode
    Game (Custom)
    10,000 cd/m² Rec. 2020 Coverage ICtCp
    47.2%
    Rec. 2020 Picture Mode
    Game (Custom)

    The HDR color volume is amazing. One of the advantages of using a QD-OLED panel is that it displays a wider range of colors at higher luminance levels than traditional WOLEDs like the LG 27GS95QE-B. This means that it displays colors as bright as pure white.

    7.0
    Picture Quality
    Text Clarity
    Pixel Type
    QD-OLED
    Subpixel Layout
    Triangular RGB

    The Samsung OLED G8 has decent text clarity, but it displays the same issues as other QD-OLED monitors, like the Dell Alienware AW3423DW and Dell Alienware AW3423DWF, due to its triangular RGB subpixel structure. This results in color fringing around some text and at the top and bottom of windows. If you have multiple windows open, you can see a thin green line at the top of every window and a thin red line at the bottom. You can see an example of the color fringing around text from the AW3423DW here. You can see more examples of pixel photos from the AW3423DW here, as it uses the same panel.

    While the text clarity isn't as good as other 34-inch, 3440x1440 displays with a typical RGB subpixel structure, text is still easy to read, and it's a personal preference whether this bothers you or not. Although enabling Windows ClearType (top photo) doesn't improve the text clarity, there are also workarounds to this, like using the free utility Better ClearType Tuner, which improves text clarity significantly. This is what it looks like with Better ClearType Tuner with the Contrast at '1000', as you can see here, and with it off here. The photos above are in Windows 10, and you can also see them in Windows 11 with ClearType on and ClearType off.

    If you want to learn more about the text clarity, you can read our writer's and tester's subjective opinions here from the Dell Alienware AW3423DW review.

    9.4
    Picture Quality
    Reflections
    Screen Finish
    Glossy
    Total Reflections
    1.4%
    Indirect Reflections
    0.9%
    Calculated Direct Reflections
    0.5%

    The Samsung G8 handles reflection superbly well. Unlike other glossy screens, there aren't any distracting reflections from strong light sources. However, QD-OLED panels lack a polarizing layer, causing blacks to have a purple tint in bright rooms. This means you don't benefit from the OLED panel's near-infinite contrast ratio if there's a light directly on the screen, and this is a common issue with QD-OLEDs. You can see examples of what this looks like in a bright room with the Dell Alienware AW3423DW review here.

    9.7
    Picture Quality
    Gradient
    Color Depth
    10 Bit

    The Samsung G8 OLED has superb gradient handling, and you won't notice any banding.

    Motion
    7.6
    Motion
    Refresh Rate
    Native Refresh Rate
    175 Hz
    Max Refresh Rate
    175 Hz
    Max Refresh Rate Over DP
    175 Hz
    Max Refresh Rate Over HDMI
    175 Hz
    Max Refresh Rate Over DP @ 10-bit
    175 Hz
    Max Refresh Rate Over HDMI @ 10-Bit
    175 Hz

    We experienced issues using an HDMI to Micro HDMI adapter with 10-bit signals as the signal drops at times before coming back. You can fix this by dropping the signal to 8-bit. If you prefer an ultrawide OLED monitor with an even higher 240Hz refresh rate, consider the LG 45GR95QE-B.

    Motion
    Variable Refresh Rate (VRR)
    Variable Refresh Rate
    Yes
    FreeSync
    Yes
    G-SYNC
    Compatible (Tested)
    VRR Maximum
    175 Hz
    VRR Minimum
    < 20 Hz
    VRR Supported Connectors
    DisplayPort, HDMI

    NVIDIAVRR MinVRR Max
    DisplayPort<20Hz175Hz
    HDMI<20Hz175Hz

    AMDVRR MinVRR Max
    DisplayPort<20Hz175Hz
    HDMI<20Hz175Hz

    On top of supporting FreeSync VRR and G-SYNC compatibility, this monitor also supports HDMI Forum VRR.

    9.9
    Motion
    VRR Motion Performance
    Recommended VRR OD Setting
    No OD Mode
    Variable Overdrive Advertised
    No
    Avg. CAD
    8
    Best CAD
    8
    Worst CAD
    8

    Refresh RateCAD HeatmapRT ChartPursuit Photo
    174HeatmapChartPhoto
    165HeatmapChartPhoto
    144HeatmapChartPhoto
    120HeatmapChartPhoto
    100HeatmapChartPhoto
    80HeatmapChartPhoto
    60HeatmapChartPhoto

    The Samsung Odyssey G85SB has outstanding motion handling across its entire refresh rate range with VRR enabled. CAD remains low throughout, and there's minimal blur with fast-moving objects.

    9.6
    Motion
    Refresh Rate Compliance
    Compliance @ Max Hz
    94%
    Compliance @ 120 FPS
    95%
    Compliance @ 60 FPS
    95%

    The refresh rate compliance is outstanding. Its near-instantaneous response time is fast enough to make full-color transitions before drawing the next frame.

    9.9
    Motion
    CAD @ Max Refresh Rate
    OD Transition Max Refresh Rate
    Recommended Overdrive Setting
    No OD Mode
    Avg. CAD
    8
    Best 10% CAD
    4
    Worst 10% CAD
    15

    Overdrive ModeCAD HeatmapRT ChartPursuit Photo
    No OverdriveHeatmapChartPhoto

    The CAD at the maximum refresh rate is outstanding. It displays fast-moving objects as intended, and motion is extremely sharp.

    Motion
    Response Time @ Max Refresh Rate
    Recommended Overdrive Setting
    No OD Mode
    First Response Time
    0.2 ms
    Total Response Time
    0.2 ms
    RGB Overshoot
    0 RGB
    Worst 10% First Response Time
    1.2 ms
    Worst 10% Total Response Time
    1.2 ms
    Worst 10% RGB Overshoot
    0 RGB

    Overdrive ModeFirst Response HeatmapTotal Response HeatmapRGB Overshoot Heatmap
    No OverdriveHeatmapHeatmapHeatmap

    9.9
    Motion
    CAD @ 120Hz
    OD Transition 120Hz
    Recommended Overdrive Setting
    No OD Mode
    Avg. CAD
    9
    Best 10% CAD
    4
    Worst 10% CAD
    16

    Overdrive ModeCAD HeatmapRT ChartPursuit Photo
    No OverdriveHeatmapChartPhoto

    The CAD at 120Hz is outstanding. Pixels transition to their target RGB level almost instantly, so there isn't any blur trail or noticeable inverse ghosting.

    Motion
    Response Time @ 120Hz
    Recommended Overdrive Setting
    No OD Mode
    First Response Time
    0.3 ms
    Total Response Time
    0.3 ms
    RGB Overshoot
    0 RGB
    Worst 10% First Response Time
    1.3 ms
    Worst 10% Total Response Time
    1.3 ms
    Worst 10% RGB Overshoot
    0 RGB

    Overdrive ModeFirst Response HeatmapTotal Response HeatmapRGB Overshoot Heatmap
    No OverdriveHeatmapHeatmapHeatmap

    9.9
    Motion
    CAD @ 60Hz
    OD Transition 60Hz
    Recommended Overdrive Setting
    No OD Mode
    Avg. CAD
    14
    Best 10% CAD
    6
    Worst 10% CAD
    23

    Overdrive ModeCAD HeatmapRT ChartPursuit Photo
    No OverdriveHeatmapChartPhoto

    The CAD at 60Hz is outstanding. Pixels transition colors almost perfectly, and any noticeable blur is persistence.

    Motion
    Response Time @ 60Hz
    Recommended Overdrive Setting
    No OD Mode
    First Response Time
    0.5 ms
    Total Response Time
    0.5 ms
    RGB Overshoot
    0 RGB
    Worst 10% First Response Time
    2.5 ms
    Worst 10% Total Response Time
    2.5 ms
    Worst 10% RGB Overshoot
    N/A

    Overdrive ModeFirst Response HeatmapTotal Response HeatmapRGB Overshoo tHeatmap
    No OverdriveHeatmapHeatmapHeatmap

    Motion
    Backlight Strobing (BFI)
    Backlight Strobing (BFI)
    Yes
    Maximum Frequency
    60 Hz
    Minimum Frequency
    60 Hz
    Longest Pulse Width Brightness
    137 cd/m²
    Shortest Pulse Width Brightness
    137 cd/m²
    Pulse Width Control
    No
    Pulse Phase Control
    No
    Pulse Amplitude Control
    Yes
    VRR At The Same Time
    No

    The Samsung G85SB has an optional backlight strobing feature to reduce persistence blur. However, it's very limited, as you need to have the input label from the monitor's OSD set to 'Game Console' with a 4k @ 60Hz signal, with VRR and Game Mode disabled, which also causes the input lag to increase. Using it with these settings also causes the image to stretch out if you keep the default aspect ratio 21:9, as you can see here. To get a proper image, you need to change the aspect ratio in the OSD menu to 16:9, but you'll get black bars on the sides.

    5.9
    Motion
    VRR Flicker
    Dark Gray Flicker
    4.4 RGB
    Middle Gray Flicker
    1.0 RGB
    Light Gray Flicker
    0.8 RGB

    This monitor has noticeable VRR flicker with changing frame rates, and it's especially visible in dark scenes and dark shadows of bright scenes. This can be distracting while gaming, but it's common with most OLEDs, and it isn't as much of an issue with consistent frame rates.

    The monitor has a VRR Control setting that reduces VRR flicker, as you can see the results with it on below, but it introduces stutter and increases the input lag. The results in the review are with VRR Control disabled.

    Flicker LevelsVRR Control On
    Dark Gray Flicker1.0 RGB
    Middle Gray Flicker0.1 RGB
    Light Gray Flicker0.9 RGB
    Flicker VideoVideo

    10
    Motion
    Image Flicker
    Flicker-Free
    No
    PWM Dimming Frequency
    0 Hz

    The backlight isn't technically flicker-free because it has a slight dip in brightness that corresponds to the 175Hz refresh rate. However, it isn't considered pulse-width modulation like on LED-backlit monitors because it isn't a full-screen on-and-off flicker, and you won't notice it.

    Inputs
    8.4
    Inputs
    Input Lag
    Native Resolution @ Max Hz
    3.5 ms
    Native Resolution @ 120Hz
    5.0 ms
    Native Resolution @ 60Hz
    9.6 ms
    Backlight Strobing (BFI)
    55.0 ms

    The Samsung G8 OLED has low input lag. This means you'll have a responsive gaming experience and won't notice any delay. The results are with the following settings:

    • Input Label: PC
    • Game Mode: On
    • Picture Mode: Custom
    • VRR: Off
    • VRR Control: Off
    • Firmware: 1442

    The input lag is much higher with the original firmware, 1421, so try updating the firmware if you feel any delay. Enabling VRR Control also increases the input lag, as it goes up to 17.6 ms at the max refresh rate.

    7.7
    Inputs
    Resolution
    Native Resolution
    3440 x 1440
    Aspect Ratio
    21:9
    Megapixels
    5.0 MP
    Pixel Density
    110 PPI
    7.1
    Inputs
    PS5 Compatibility
    4k @ 120Hz
    No
    4k @ 60Hz
    Yes
    1440p @ 120Hz
    Yes
    1440p @ 60Hz
    Yes
    1080p @ 120Hz
    Yes
    1080p @ 60Hz
    Yes

    The monitor works well with the PS5, but there are some quirks. You need to turn off Game Mode for 4k @ 60Hz to work, which increases the input lag, and despite the HDMI 2.1 bandwidth, it doesn't support 4k @ 120Hz at all. As the monitor has a Micro HDMI port, you need an adapter or an HDMI to Micro HDMI cable to connect the PS5. Lastly, the console doesn't support ultrawide gaming, so you'll see black bars on the sides. Although the monitor doesn't have an audio output to connect external speakers with the console, it at least has built-in speakers.

    6.6
    Inputs
    Xbox Series X|S Compatibility
    4k @ 120Hz
    No
    4k @ 60Hz
    Yes
    1440p @ 120Hz
    Yes
    1440p @ 60Hz
    Yes
    1080p @ 120Hz
    Yes
    1080p @ 60Hz
    Yes

    There are some limitations to the compatibility with the Xbox Series X|S on the Samsung Odyssey OLED G8 G85SB. You need to disable VRR for 4k @ 60Hz to work, and because the Xbox only supports HDR in 4k, you can't get HDR and VRR at the same time with any signal, as you can see here. Despite the HDMI 2.1 bandwidth, it doesn't support 4k @ 120Hz at all, and because of the Micro HDMI port, you need an adapter or an HDMI to Micro HDMI cable to connect the Xbox to it. Lastly, the console doesn't support ultrawide gaming, so you'll see black bars on the sides. Although the monitor doesn't have an audio output to connect external speakers with the console, it at least has built-in speakers.

    Inputs
    Inputs Photos
    Inputs
    Video And Audio Ports
    DisplayPort
    No
    Mini DisplayPort
    1 (DP 1.4)
    HDMI
    1 (Micro-HDMI)
    HDMI 2.1 Rated Speed
    40Gbps (FRL 10x4)
    DVI
    No
    VGA
    No
    Daisy Chaining
    No
    3.5mm Audio Out
    No
    3.5mm Audio In
    No
    HDR10
    Yes
    3.5mm Microphone In
    No
    Inputs
    USB
    USB-A Ports
    0
    USB-A Rated Speed
    No USB-A Ports
    USB-B Upstream Port
    No
    USB-C Ports
    2
    USB-C Upstream
    Yes
    USB-C Rated Speed
    5Gbps (USB 3.2 Gen 1)
    USB-C Power Delivery
    65W
    USB-C DisplayPort Alt Mode
    Yes
    Thunderbolt
    No

    One of the USB-C ports supports DisplayPort Alt Mode with 65W of power delivery, which is the port you have to use if you want to connect a laptop and display an image via USB-C. The other USB-C port is limited to 10W of power as it's meant to connect your small devices, like a keyboard or mouse. You need to set USB Source Setup to 'USB-C' for the passthrough to work between the two USB-C ports.

    Inputs
    macOS Compatibility

    The Samsung G8 works well with macOS. VRR works within the range of 48Hz-120Hz. HDR gaming looks good, but colors look better in SDR for general desktop usage, as the aggressive ABL causes large areas to be dim in HDR. If you're using a MacBook, windows return to their normal position after waking the laptop from sleep or when opening the lid. You can also use an external mouse and keyboard while your laptop is closed.

    Features
    Features
    Additional Features
    Speakers
    Yes
    RGB Illumination
    Controllable
    Multiple Input Display
    No
    KVM Switch
    No

    The Samsung OLED G85SB comes with Samsung's proprietary Tizen smart platform built-in, offering many features similar to a Samsung smart TV. You can access applications like Netflix, Amazon Prime Video, or Disney+ without a computer. You can read more about all its features in the Smart Features section of the Samsung QN90B QLED TV review.

    The monitor has other gamer-oriented features, including:

    • Core Lighting: Controls the RGB lighting at the back of the monitor.
    • Game HDR: Helps increase the perceived brightness of the image in HDR.
    • Game Mode: Gives the lowest input lag possible.
    • HDR10+ Gaming (HDR Tone Mapping): Adjusts the colors in HDR to match the creator's intent.
    • Virtual Aim Point: Inserts a virtual crosshair that your PC won't detect.
    • Panel Care: Features to reduce the risk of burn-in associated with OLEDs:
      • Pixel Refresh: Allows you to run a complete pixel refresh cycle, which takes about an hour. You have to run it manually, but the system displays reminders.
      • Pixel Shift: This feature moves the entire image a few pixels to one side and gradually shifts it in a different direction over time. This helps reduce the effects of burn-in from very small elements, like fine lines in a game HUD.
      • Adjust Logo Brightness: Automatically dims the area around a logo when it detects one on the screen.

    In North America, Samsung has a one-year warranty, but it doesn't cover burn-in. However, the length of the warranty and its specifications can change between different regions and countries.

    Features
    On-Screen Display (OSD)