Compare Samsung Odyssey OLED G80SH S32HG802S vs ASUS ROG Strix OLED XG27AQWMG

Dropping the former Tizen smart-TV layer simplifies everyday operation, with a familiar PC monitor menu in its place.

Responsive joystick controls, organized menus and software settings make everyday adjustments straightforward.

DisplayPort 2.1, two HDMI 2.1 inputs and USB-C video/charging make this a particularly flexible premium monitor. Missing KVM limits shared-peripheral switching.

Two HDMI 2.1 inputs, DisplayPort and USB-A cover basic gaming. No USB-C or KVM limits modern docking and shared-device flexibility.

The matte Glare Free treatment diffuses direct window and lamp reflections far better than many glossy OLED competitors.

TrueBlack Glossy keeps blacks deep and looks clear, but direct lights create more mirror-like reflections than matte rivals.

The matte finish is excellent at softening reflections but adds haze and grain compared with glossy QD-OLED rivals. A few users find the texture intrusive.

TrueBlack Glossy avoids the grain and haze common on matte coatings, leaving images and text especially crisp.

Color range and 4K sharpness suit photo work, with calibration advised where exact tones matter.

Photography benefits from the OLED contrast and wide gamut, but Adobe RGB and other precision workflows may require external profiling and calibration.

The OLED panel exhibits highly even color and illumination without familiar LCD backlight problems.

Uniform light areas are generally good, but several tests flag vertical bands or tinted patches in very dark grays.

The rear Core Lighting ring offers pleasant customizable ambient light and screen-synced effects, though broader PC-lighting synchronization is limited.

The rear ROG lighting adds a subdued gaming accent and can be adjusted or disabled instead of dominating the desk.

There are useful gaming and HDR picture modes, with DisplayHDR singled out as a strong starting point for tuning.

Multiple picture presets and a particularly capable sRGB setting suit different content, though not every default mode is equally accurate.

Achieving the full 4K/240Hz experience takes a strong gaming PC and suitable connections, while older DisplayPort hardware may need DSC.

QHD is easier to drive at high frame rates than 4K, but achieving the full 280fps still depends heavily on the game and graphics hardware.

A DisplayPort cable and USB-C cable are useful inclusions, though an HDMI 2.1 cable is absent from one tested package.

The package supplies useful connection cables and mounting hardware, with some praise for the zippered accessory pouch.

The 32-inch 4K panel makes individual pixels and minor text fringes hard to see from a normal seating distance.

The 27-inch QHD screen is comfortable for gaming and everyday viewing, but does not have 4K-level fine detail.

The newer Tandem structure aims for better light efficiency, allowing stronger brightness without the same immediate dimming.

Measured power use is improved over older WOLED panels, particularly for bright white content; gaming gains are more modest.

The base feels stable in normal use, but light contact can make the whole monitor visibly vibrate.

The small metal base is mostly firm and stable, though a couple of testers noticed minor wobble.

Pixel refresh, static-logo dimming, screensaver and active cooling give owners several safeguards. None removes the inherent risk of prolonged static images.

A proximity sensor, pixel-shifting and dimming tools help reduce unnecessary static exposure. None removes the inherent long-term OLED burn-in risk.

Common adaptive-refresh standards are supported, which is helpful for changing frame rates. Dark-scene flicker means compatibility is not always trouble-free.

FreeSync and G-SYNC support allow variable refresh across NVIDIA and AMD gaming systems.

Blacks look exceptionally deep in dark rooms, yet can take on a purple cast under strong ambient light. Some HDR configurations also crush the nearest dark shades.

The Tandem WOLED panel delivers extremely deep blacks and retains them unusually well in ambient light, unlike many QD-OLED competitors.

At 240Hz, motion is notably fluid, particularly in fast PC games. Fully exploiting that ceiling requires a PC capable of delivering high frame rates.

At 280Hz, motion is already very smooth for most games, though esports buyers seeking maximum speed can find 360–500Hz alternatives.

The 4K panel renders fine game textures and desktop detail exceptionally well. It is a striking step up for anyone coming from a lower-resolution display.

QHD at 27 inches provides a practical compromise between image detail and achievable high PC frame rates, with less fine detail than 4K.

The high pixel density minimizes subpixel artifacts at normal distance, but slight green or magenta edges remain visible around some close-up text.

Fine text still shows some OLED color fringing despite improved subpixels, and testers disagree on how noticeable it is.

Crosshair overlays, black equalizer, adaptive sync and other gaming tools give players plenty of customization choices.

Crosshairs, frame-rate displays, timers and extensive OLED-care settings make the gaming feature set useful beyond basic video inputs.

Controls feel immediate with very little input delay. The optional flicker-reduction setting can add substantial latency, however.

The monitor feels immediate at high refresh rates. Early tests flagged slower fixed-60Hz handling, with later firmware improving the problem.

Frame-rate fluctuations can cause distracting flashes in dark games. Stabilizing settings may mitigate this, with possible added input lag.

Fluctuating frame rates can produce distracting flashes, especially in dark scenes. The anti-flicker modes lessen them at the cost of VRR range.

There are no integrated speakers, a disappointing omission for anyone who wants quick audio without external equipment.

There are no built-in speakers, so console and media users need headphones, a soundbar or external speakers.

The balance of outstanding OLED gaming and modern inputs earns enthusiastic praise. The matte finish and bright-room black behavior are its most divisive compromises.

The monitor is repeatedly described as a strong OLED gaming value, balancing premium image quality with midrange-high refresh speed.

Rich, vibrant QD-OLED color is a major strength, with broad coverage for games and creative work. The lack of a dedicated sRGB clamp may make standard content too saturated.

The fourth-generation WOLED panel covers an unusually broad range, producing rich game colors and much wider Rec.2020 coverage than older models.

Bright objects retain clean borders against pitch-black backgrounds, without the halos that can surround highlights on local-dimming LCDs.

Per-pixel light control keeps bright highlights from producing halos or large glowing zones around dark details.

Sharp 240Hz motion, near-instant response and low lag make it a strong option for fast competitive games. VRR flicker controls can introduce unwanted latency.

Very fast pixel transitions, low input lag and smooth 280Hz motion suit competitive games. Higher-refresh 360–500Hz models remain available for specialists.

PlayStation 5, Xbox and Switch 2 are well served by 4K, HDR and modern HDMI support. Console output tops out below the monitor’s full 240Hz capability.

The HDMI inputs accept 4K/120Hz console signals and downscale them to the native QHD screen with useful HDR and VRR support.

Fast-moving elements show almost no noticeable smearing, helping demanding action games stay legible.

OLED transitions are effectively instantaneous, with little to no ghosting or overshoot at the tested refresh rates.

Small reflections, light sources and other bright details pop with convincing intensity, lending dimensionality to HDR scenes.

Small glowing objects and textured highlights can look exceptionally bright against the panel’s dark blacks.

Static tone mapping serves accuracy, while Active boosts perceived brightness and impact; both have useful but distinct roles.

Several HDR modes offer a choice between more accurate tracking and brighter, punchier presentation.

The 3.5 mm jack provides a useful connection for headphones or external speakers when no built-in audio is available; sound quality itself is not evaluated.

The 3.5mm connection provides an uncomplicated way to get sound despite the absence of built-in speakers.

Rapid action stays sharp with minimal blur, making fast-paced games unusually easy to follow.

Fast pixel transitions make moving objects look clean and sharp, with 280Hz performing better than an equivalent LCD even if faster OLEDs exist.

The latest Tandem QD-OLED panel combines near-perfect blacks with more brightness and improved efficiency than earlier OLED generations.

Fourth-generation Tandem WOLED improves brightness and gamut over older WOLED models while retaining OLED contrast and response-time strengths.

An especially compelling pairing for high-end PCs: 4K detail, 240Hz motion and dramatic OLED contrast come together in one screen.

PC gaming is a standout use, with high-refresh QHD operation, low latency and highly responsive OLED motion.

Slim proportions, a minimalist finish and metal details give the hardware a polished, upscale impression.

Metal accents, stable ergonomics and crisp glossy glass give the monitor an upscale impression despite its reasonable OLED pricing.

Near-instant OLED pixel transitions produce exceptionally clean action, even where lower frame-rate console output limits the refresh rate.

Near-instant OLED pixel changes keep movement precise at both high and lower refresh rates.

Near-black adjustment can reveal hidden dark areas, but too much lifting washes out blacks and some HDR configurations still crush detail.

Near-black details vary with picture mode and refresh rate; some settings show black crush, while the calibrated sRGB mode reveals more.

4K detail keeps textures, edges, and distant game objects crisp across the 32-inch screen.

The zero-haze surface keeps imagery crisp, although QHD detail and OLED subpixel rendering trail sharper 4K LCDs for fine text.

Deep shadows, vibrant HDR lighting and detailed 4K scenes make cinematic games exceptionally immersive. Some HDR modes need care to avoid crushed blacks.

Rich contrast, expansive color and vivid effects make slower-paced, atmospheric games particularly enjoyable.

The supplied stand adjusts height, swivel, tilt and pivot over a useful range, making ergonomic positioning straightforward.

Height, swivel, tilt and two-way portrait rotation provide unusually flexible positioning.

The two USB-A ports can serve connected peripherals, and compatible USB-C devices can use the hub through a single cable. Data bandwidth may trade off against maximum video mode.

The pair of USB-A downstream sockets helps connect basic peripherals, but does not substitute for USB-C docking or a KVM.

Color and contrast remain very consistent from the side, making the screen easier to share than many LCD alternatives.

The OLED panel maintains its picture well from off-center positions.

The blue-light-reduction setting is useful for late-night reading, but its warmer output is not ideal for accurate colors or HDR games.

Blue-light-filter modes exist, but they cannot be used alongside Uniform Brightness, reducing their practical usefulness for some office routines.

Metal-backed construction and a tidy finish feel robust and high-end, although one hands-on assessment found the stand easy to wobble.

A substantial metal stand and solid fit give the display a premium feel, despite the largely plastic rear casing.

The slim silver-and-black housing looks clean and understated rather than aggressively gamer-styled, with optional rear lighting.

A relatively restrained front, compact stand and customizable rear RGB balance gaming styling with a clean desktop presence.

The 32-inch format gives games and complex tasks room to breathe, though it is a substantial desktop display.

A 27-inch screen provides a popular balance of usable gaming space and manageable desk footprint.

Gamma is imperfect before calibration, so exact tonal accuracy may require additional tuning.

Calibration and the sRGB modes can track gamma closely, though default configurations and near-black behavior are not always perfect.

It asks a premium over basic OLED monitors, but its newer panel, refresh speed and connectivity make a reasonable case for enthusiasts.

Most reviewers consider the bright 280Hz Tandem OLED unusually competitive for its class; a few point to cheaper OLEDs or faster rivals.

An owner reported intermittent DisplayPort blanking that disappeared after switching to HDMI; longer-term panel reliability is not yet established.

ASUS cites a longer-life panel and supplies care features, but the actual lifetime improvement has not been independently established.

Normal-use burn-in coverage is reassuring, although eligibility and coverage terms need verification for the exact regional unit.

Three-year warranty coverage including burn-in adds welcome confidence for an OLED screen.

Two HDMI 2.1 inputs accommodate modern consoles and other fast video sources, including 4K at 120Hz console modes.

Full-bandwidth HDMI 2.1 provides uncompressed 1440p/280Hz on capable PCs and useful high-refresh signal support for consoles.

FreeSync and G-SYNC-compatible variable refresh help smooth inconsistent frame delivery and reduce tearing, though dark-scene flicker is still possible.

G-SYNC and FreeSync work well for variable-frame-rate gaming, though using stronger anti-flicker modes can narrow the effective VRR range.

Larger bright scenes retain more output than on earlier OLED designs, although brightness limiting has not disappeared entirely.

Peak SDR output can dip noticeably as more of the display becomes bright. Uniform Brightness removes those fluctuations at the cost of the brightest small-window output.

Shadow controls can bring hidden dark objects into view, but aggressive settings wash out the contrast that makes OLED attractive.

Dark-scene visibility aids can make opponents easier to distinguish, although much of the improvement comes from OLED contrast rather than a dedicated filter.

Color looks attractive and often fairly accurate out of the box, but some tests find oversaturation and imperfect factory calibration. Careful adjustment improves accuracy.

sRGB and calibrated modes can deliver excellent accuracy, but some tests find default or wide-gamut presets oversaturated and less trustworthy.

The QD-OLED layer maintains vivid saturation even as bright HDR elements intensify, keeping colorful scenes energetic.

Colors appear more vivid than on older WOLED models, although pure-color brightness still trails top QD-OLED alternatives.

There is no integrated KVM switch, so moving one keyboard and mouse between computers is less convenient than on some rivals.

There is no integrated KVM, a drawback for anyone switching one set of peripherals between two computers.

The newer panel is brighter than its predecessor and retains luminance well as brighter areas grow. Full-screen white is still less intense than small HDR highlights.

The new panel delivers a meaningful improvement in SDR brightness and striking HDR peaks. Performance depends on window size and brightness settings.

Full-bandwidth DisplayPort 2.1 is powerful enough for uncompressed 4K/240Hz on compatible hardware. One owner reported intermittent DP signal dropouts that did not occur over HDMI.

DisplayPort 1.4 with DSC runs the native QHD/280Hz combination capably, even though the connection is not the newest DP 2.1 standard.

A conventional joystick menu makes key settings accessible and avoids Samsung’s older smart-TV interface. The compact layout and abundance of picture settings still take learning.

The menu is generally fast and intuitive, with customizable joystick shortcuts for common controls.

Self-emissive pixels deliver striking contrast without the elevated blacks or halos typical of many backlit monitors.

Near-infinite OLED contrast gives nighttime scenes and bright objects an unusually dramatic separation.

Small bright highlights glow against true OLED blacks, creating dramatic HDR images. Some high-brightness modes can lose shadow detail or alter highlight tone mapping.

Tandem OLED brings impressive HDR brightness and superb contrast, especially in darker scenes. Full-screen output remains below the brightest Mini LED displays.

A crisp, vivid 4K OLED image with convincing depth is the defining appeal. The coating and room lighting strongly influence perceived clarity and black levels.

Across games and general use, the glossy Tandem OLED image draws praise for clarity, bright highlights, vivid color and black depth.

HDR offers many detailed settings and two tone-mapping approaches, but dialing in shadows and brightness can become frustrating.

Adjustable HDR can unlock brighter highlights and extra tuning, although enabling peak performance takes more setup than some would like.

Static mapping better preserves the intended light balance; Active looks livelier but can lift midtones and alter bright detail. Some peak modes crush shadows.

The more accurate HDR modes follow intended brightness closely, while maximum-output configurations can raise midtones in certain scenes.

Samsung’s official Windows driver and color profile are useful for proper device recognition and configuration.

DisplayWidget Center is a useful alternative to physical buttons, making image profiles and brightness easier to change from a PC.

White balance, gamma and color-space controls allow fine tuning, and measured color error can fall substantially after calibration.

The sRGB clamp and selectable color spaces make accurate setup accessible. A few dedicated modes lock controls or require an external profile.

Uniform Brightness keeps the screen steady as window sizes and content change. The consistency comes with a limit on peak brightness.

One owner experienced HDR brightness settings failing to persist across sleep, wake and restarts.

With a full UHBR20 connection and compatible GPU, the reviewer verified 4K/240Hz without compression. DSC remains a visually lossless fallback for older links.

Some reported peak-brightness values sent to Windows do not match measured capabilities, complicating automatic calibration.

Self-emissive pixels turn fully off beside bright details, providing contrast precision that zone-based LCD backlights cannot match.

The absence of PiP/PbP rules out viewing two external sources together in split or overlaid windows.

A pass-through opening in the stand tidies power and signal cables, while USB-C docking further reduces desk clutter.

The small square metal stand leaves noticeably more room for keyboards and mice than bulkier gaming monitor bases.

Desktop PCs, compatible laptops, DeX tablets, PlayStation 5 and Switch 2 all receive useful display features, though modes vary by device.

Black-frame insertion can sharpen motion at lower refresh rates, but reviewers describe restrictive fixed-rate operation and loss of VRR or HDR.

Active cooling, thermal monitoring and the metal rear help manage panel temperature as Samsung pushes OLED brightness higher.

Static desktop content still carries OLED burn-in risk over time, even with panel-care protections and warranty coverage.

AI upscaling clearly improves 720p and 1080p sources, while 1440p gains are smaller. It needs the display to receive a truly sub-4K signal and can look sharpened.

Power is built into the monitor, eliminating a separate brick and reducing clutter behind the desk.

Its nearly identical naming to other ASUS OLED models draws criticism and makes model identification unnecessarily difficult.

Black-frame insertion offers sharper 120–140Hz motion but disables some valuable gaming features and has limited activation flexibility.

The supplied packing materials protect the stand and panel adequately while keeping unpacking fairly straightforward.

One owner needed to install the Samsung driver before the monitor was recognized when first connected.

A spacious sharp desktop and easy laptop docking make the monitor capable beyond gaming, while OLED text and static-content caveats remain.

The Neo Proximity Sensor is repeatedly praised for blanking the OLED after someone leaves and restoring the image on return.

Early launch timing and limited regional retail availability created frustration despite the favorable OLED price.

A reported bug resets HDR brightness to zero after sleep or restart, creating a frustrating repeated setup burden.

The threaded socket atop the stand is useful for mounting a camera, microphone or light directly above the screen.

USB-C can carry a picture, peripheral data and up to 98W of laptop charging. Some high-power laptops may still need their own adapter.

The recessed downward-facing ports can be awkward to reach without rotating the screen.

Standard 100 × 100 mm mounting allows an arm or wall mount instead of the bundled stand.

Xbox users do not get Dolby Vision on this monitor, so the other available HDR formats become the practical options.

The stand clicks into place and the base screw can be tightened without tools, making initial assembly simple.

The physical frame is thin, but the inner black border remains more noticeable than its sleek outer edge suggests.

An official driver supplies the correct display identity and color profile in Windows, helping the PC recognize and configure the monitor.