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The Samsung Odyssey OLED G81SF S27FG810S is an excellent 27-inch 4K/240Hz QD-OLED gaming monitor, especially at the roughly $800–$850 US sale prices observed around August 16, 2026. Its fast response, sharp image, deep contrast, and reflection-resistant matte coating are outstanding, but aggressive haze, VRR flicker, limited brightness, and no USB-C prevent a universal recommendation.
This review covers the 27-inch model, commonly sold in the United States as LS27FG810SNXZA. Samsung also sells a 32-inch G81SF variant with a different panel, so the 27-inch model’s test results should not be transferred to the larger display. RTINGS’ independent review identifies the 27-inch G81SF as a superb gaming monitor, while highlighting the matte coating, bright-room black levels, and VRR behavior as important compromises.
Key takeaways
- The Samsung Odyssey OLED G81SF S27FG810S combines 3840 × 2160 resolution, a 240Hz refresh rate, and a QD-OLED panel in a 27-inch 16:9 display.
- The matte finish is a genuine buying decision: it reduces reflections in bright rooms but can look hazier or grainier than glossy competing OLED monitors.
- The monitor is most worthwhile for a high-end PC capable of using 4K at high frame rates; a 240Hz panel does not guarantee 240fps in demanding games.
- Samsung advertises a 0.03ms GtG response time, while independent testing is more useful for judging real response behavior and input lag.
- Observed US sale prices around August 16, 2026 were approximately $808.41 at B&H Photo and $849.99 at Best Buy, making the monitor much easier to recommend than at the listed comparison price of about $1,299.99.
What is the Samsung Odyssey OLED G81SF S27FG810S?
The Samsung Odyssey OLED G81SF S27FG810S is a flat, 27-inch 4K gaming monitor with a QD-OLED panel, 240Hz maximum refresh rate, 16:9 aspect ratio, and matte or “glare-free” coating. The product belongs to Samsung’s Odyssey OLED G8 family and does not include the Tizen smart-TV operating system found on some Samsung displays.
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Samsung’s US model number is LS27FG810SNXZA; regional suffixes differ. “G8,” “G81SF,” and “S27FG810S” can therefore appear in listings for the same 27-inch product, but the 32-inch G81SF is a separate size variant with a different panel. Check the full model number before relying on a review or ordering replacement accessories. Samsung’s US product page identifies the 27-inch model and its US SKU.
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- SAMSUNG’S 32" ODYSSEY OLED G8 G80SH GAMING MONITOR: Delivers crystal-clear 4K visuals (3840 x 2160) with guaranteed performance and a 3 Year Warranty
- THE QD-OLED SCREEN AND PIXEL DENSITY OF 140 PPI: Brings game worlds to life with amazing clarity
- VESA DISPLAYHDR TRUE BLACK 500: Offers ultra-deep blacks and 100-nit peak brightness for stunning contrast, while the Pantone Validated screen ensures precise color reproduction
- 240Hz REFRESH RATE AND 0.03ms RESPONSE TIME (GtG): Enables fluid motion with less blur, while AMD FreeSync Premium reduces choppiness, screen lag, and image tearing
- DP 2.1: Delivers up to 80 Gbps of bandwidth and the USB-C port powers the setup with up to 98W to maintain focus, while the height-adjustable Ergonomic Stand pivots, tilts, and swivels for the perfect view
Samsung Odyssey OLED G81SF specifications
| Specification | 27-inch G81SF |
|---|---|
| Panel | QD-OLED |
| Screen size | 27 inches |
| Resolution | 3840 × 2160, commonly called 4K UHD |
| Pixel density | Approximately 166 pixels per inch |
| Refresh rate | 240Hz maximum |
| Advertised response time | 0.03ms GtG |
| HDR certification | VESA DisplayHDR True Black 400 |
| Color gamut claim | Up to 99% DCI-P3, according to Samsung specification material |
| Adaptive sync | AMD FreeSync Premium Pro |
| Video inputs | Two HDMI 2.1 and one DisplayPort 1.4 |
| USB | One USB upstream and two USB-A downstream ports |
| USB-C | None listed |
| Speakers | None listed |
| Stand adjustment | Height, tilt, swivel, and pivot |
| VESA mounting | 100 × 100mm |
| Finish | Matte/glare-free |
These are manufacturer specifications rather than a promise that every game, connection, or response-time transition will behave identically. Samsung’s published specification material lists the core resolution, refresh rate, response-time claim, HDR tier, ports, stand adjustments, and FreeSync Premium Pro support.
The advertised 0.03ms figure is a manufacturer GtG claim, not total system latency. It should not be interpreted as a guarantee that every pixel transition takes exactly 0.03ms or that games will respond in 0.03ms. NVIDIA compatibility also deserves care: Samsung materials emphasize FreeSync Premium Pro, while surfaced specification material lists G-Sync as “No.” Verify current driver, firmware, and connection behavior rather than assuming official G-Sync certification.
How much does the Samsung G81SF cost?
The Samsung G81SF is a strong buy around $800–$850 in the United States when the buyer specifically wants a matte 27-inch 4K/240Hz OLED. Research conducted around August 16, 2026 found a price of approximately $808.41 at B&H Photo and $849.99 at Best Buy, compared with listed comparison prices around $1,299.99. Those figures are dated retailer observations, not a guaranteed current price or permanent MSRP. Best Buy’s product listing shows the observed US retail configuration and price context.
| Observed or target price | Recommendation | Why |
|---|---|---|
| Below $800 US | Highly attractive | The discount helps offset the matte-coating, brightness, VRR, and connectivity compromises. |
| About $800–$850 US | Strong buy for the right user | This is the best fit for buyers who want matte 4K/240Hz OLED and have suitable PC hardware. |
| Near $1,000 US | Compare first | Glossy rivals from Alienware, ASUS, and MSI may offer a better fit depending on finish, support, connectivity, and live pricing. |
| Near $1,299.99 US | Usually skip | The Samsung’s advantages are not broad enough to justify that level unless the matte finish is essential. |
Because OLED panel uniformity, text appearance, coating preference, and VRR behavior can vary by unit and setup, buy from a retailer with a clear return or exchange policy. The B&H listing provides an alternate price reference, but its price is equally subject to change. B&H Photo’s listing shows the alternate retailer price observed during research.
What is the matte QD-OLED screen like?
The matte screen is the G81SF’s most important difference from many competing 27-inch 4K QD-OLED monitors. The coating reduces obvious reflections from windows, lamps, and overhead lights, making the Samsung more comfortable in a bright or mixed-use room. The coating does not make the screen optically invisible, however: independent testing describes it as unusually aggressive, with more diffusion and haze than some competing matte displays. RTINGS’ testing discusses the G81SF’s matte coating and its effect on perceived clarity.
| Room or preference | Better finish choice | Reason |
|---|---|---|
| Windows, lamps, or overhead lighting visible on the display | Samsung matte | Reduced reflections are more valuable than maximum glossy “pop.” |
| Controlled, dim room | Glossy competitor | Glossy surfaces usually preserve a cleaner-looking image when reflections are under control. |
| Mixed gaming and desktop work | Depends on tolerance | Matte reduces distractions, but haze can be noticeable on white backgrounds and fine text. |
| Strong dislike of reflections | Samsung matte | The Samsung avoids the mirror-like room reflections that some glossy OLED buyers find distracting. |
| Maximum perceived clarity and OLED vibrancy | Glossy competitor | A glossy finish may look clearer and more vibrant in a suitable room. |
Owner reactions are divided: some users prefer the reflection control, while others describe the surface as grainy or hazy. Those reports are subjective experiences, not controlled evidence of a failure rate. The practical decision is simple: choose the Samsung for reflection control, and choose a glossy alternative for maximum perceived clarity in a controlled room.
How good is the G81SF for gaming?
The G81SF is outstanding for PC gaming when the computer can produce high frame rates at 4K. Independent testing reports very low input lag across refresh rates, excellent response time, crisp 240Hz motion, strong variable-refresh support, and deep blacks with vivid color in dark-room conditions. RTINGS’ gaming tests support the monitor’s strong motion, latency, image-quality, and console-gaming results.
OLED pixels change state extremely quickly, so fast movement remains clear without the conventional LCD ghosting that can undermine high-refresh gaming. The 4K resolution also makes a 27-inch image exceptionally sharp, with approximately 166 pixels per inch. Competitive games that can run at very high frame rates make the strongest case for 240Hz; demanding AAA games may operate well below 240fps and use variable refresh rate instead.
A 240Hz monitor provides refresh-rate headroom, not guaranteed frame-rate output. A high-end GPU is appropriate for this display, while a midrange GPU that rarely approaches 120fps at 4K may get better value from a 1440p 240Hz or 360Hz OLED. Lowering game settings can raise frame rates, but the buyer should not purchase 4K/240Hz solely because the panel can accept that signal.
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- Samsung’s 27” Odyssey OLED G6 Gaming Monitor is engineered for perfection with a QD-OLED Display featuring QHD resolution made to deliver high brightness and a wide range of colors for gameplay
- OLED Safeguard technology supports performance by actively helping to prevent burn-in with a thermal modulation system
- Glare Free Technology keeps screen clear of reflection from external light sources
- The Pantone Validated screen accurately reproduces 2100+ lifelike colors and 110+ skin tone shades
- HDR10 provides brighter highlights and nuanced shadows for added depth and more realistic scenes
Does the G81SF have good HDR?
The G81SF delivers excellent OLED contrast and vivid QD-OLED color, but the monitor is not a bright HDR reference display. VESA DisplayHDR True Black 400 emphasizes OLED black-level performance and belongs to a relatively modest brightness tier; the certification should not be mistaken for the sustained brightness of a strong mini-LED monitor.
HDR is most convincing in a dark or moderately controlled room, where OLED blacks remain deep and small highlights stand out against them. Full-screen bright scenes and sustained bright content are less impressive because OLED brightness is limited compared with the brightest LCD and mini-LED displays. Automatic brightness or thermal management can also affect sustained bright output, so HDR performance should be judged by the combination of contrast, highlight impact, and room lighting rather than the HDR label alone.
QD-OLED has a specific bright-room weakness: ambient light can interact with the panel structure and make black areas appear purple or lifted. The matte coating reduces reflections but cannot remove that behavior. A bright room can therefore produce fewer mirror-like reflections while still making OLED blacks look less pure. RTINGS reports the G81SF’s bright-room purple-looking blacks as a limitation.
What causes VRR flicker, and can the G81SF prevent it?
VRR flicker occurs when changing frame times cause OLED brightness to fluctuate, most noticeably in dark scenes, menus, loading screens, or games with unstable frame rates. RTINGS reports distracting flicker when the monitor’s VRR Control setting is disabled. Samsung includes VRR Control to reduce the problem, but the setting may change latency, frame pacing, or the usable VRR range depending on firmware and configuration.
VRR flicker is not equally severe on every unit or setup. Game engine behavior, frame-rate swings, GPU brand, driver, connection type, refresh-rate range, and monitor firmware can all affect visibility. Test the monitor with both a stable high-frame-rate game and a title with large frame-time changes before deciding whether the behavior is acceptable.
- Compare VRR Control enabled and disabled in the monitor’s on-screen display.
- Cap the game slightly below the maximum refresh rate and check whether steadier frame pacing helps.
- Test DisplayPort and HDMI if both are available on the PC.
- Check dark menus and loading screens, where flicker can be easier to see than during bright gameplay.
- Update monitor firmware and graphics drivers before judging a persistent problem.
VRR Control may make the G81SF suitable for a buyer who notices occasional flicker, but no setting should be assumed to eliminate flicker in every game. If VRR flicker is unacceptable, purchase through a retailer with a practical return policy.
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Is the G81SF suitable for productivity and text?
The G81SF is unusually sharp for a 27-inch desktop monitor because 3840 × 2160 resolution produces approximately 166 pixels per inch. Small interface elements, photographs, game detail, documents, and browser content can look very crisp when Windows scaling is configured comfortably.
Productivity suitability is less universal than the resolution suggests. OLED subpixel behavior can produce colored fringing around high-contrast text, while the aggressive matte coating can soften or diffuse text on white backgrounds. Sensitivity varies, so test text at 100%, 125%, and 150% scaling, especially in coding editors, spreadsheets, browsers, and documents. Windows ClearType adjustments may improve the appearance for some users but cannot change the panel’s physical subpixel layout or remove matte diffusion.
The Samsung is a reasonable mixed-use monitor for someone who values sharpness and accepts OLED maintenance. Heavy office users who stare at static windows for many hours each day should compare a glossy competitor, conventional LCD, or mini-LED display if text clarity and long-term static-content use matter more than OLED motion and contrast.
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- HANDPICKED BY AMAZON: They did the research so you don’t have to
- THE ULTIMATE QD-OLED MONITOR EXPERIENCE: Experience the difference with Samsung OLED. A brighter screen delivers brilliant colors, deeper shades, and more intense contrast, bringing vibrant vistas to life in new ways
- ULTRAWIDE VISTAS: Immerse yourself in expansive worlds with an ultrawide display that’s two quads wide. Enjoy maximum screen space and razor-sharp detail, while the 1800R curvature wraps around your field of vision for unparalleled depth and engagement
- OUTMANUEVER OPPONENTS WITH SUPREME SPEED: QD-OLED technology delivers near instant reaction time with 0.03ms(GTG) response time; HDMI 2.1 and DisplayPort connections keep you ahead of the competition with the 240Hz refresh rate
- SEE EVERY DETAIL: Uncover every secret with infinite expression with DisplayHDR True Black 400, delivering true blacks and rich dark tones without pixel light bleed. Experience unmatched color accuracy, bringing every game to life with stunning detail
How serious is OLED burn-in risk?
Samsung’s OLED Safeguard+ features reduce burn-in risk but do not guarantee permanent immunity. The monitor uses protections described in retail material as including dynamic cooling, thermal modulation, and logo or taskbar detection, alongside panel-care routines such as pixel refresh. Those protections are risk management, not a promise that a panel cannot develop image retention or burn-in.
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Warranty treatment depends on the buyer’s country and the exact warranty document. The surfaced specification document states that burn-in under normal use is covered within the warranty while excluding commercial use, abuse, or misuse; that wording must be checked against the current regional warranty before purchase. The available Samsung specification PDF contains the surfaced stand, port, and warranty-related wording.
What are the design and connectivity limitations?
The silver G81SF has a gaming-oriented design and a versatile stand with height, tilt, swivel, and pivot adjustment. The display supports 100 × 100mm VESA mounting. An on-screen display joystick, source controls, virtual aim-point functions, and CoreSync/CoreLighting features add gaming convenience, although lighting features are not a substitute for better image quality.
The USB hub includes USB-A ports, but the upstream connection must be connected for the downstream ports to function as a computer hub. The monitor has no USB-C, so it cannot provide the one-cable video, charging, and peripheral-docking arrangement that many laptop users want. The monitor also has no built-in speakers, which matters if the display will be used with a console or in a living-room setup.
Samsung lists two HDMI 2.1 inputs and one DisplayPort 1.4 input, but “HDMI 2.1” alone should not be treated as proof that every HDMI 2.1 feature operates at maximum bandwidth. Confirm the desired resolution and refresh combination for the specific PC, console, cable, and firmware.
Is the Samsung G81SF good for consoles?
The G81SF is excellent for current-console gaming because its 4K resolution, HDMI connectivity, HDR support, and variable-refresh features suit the relevant 4K and 120Hz-class console signals tested by RTINGS. Consoles cannot use the full 240Hz refresh rate in the same way as a high-end PC, so the monitor’s maximum refresh rate is largely unused by console-only buyers.
Before buying for a console, verify that the monitor accepts the console’s intended 4K, 120Hz, VRR, and HDR combinations over HDMI. Also account for the lack of built-in speakers and the absence of smart-TV features. The G81SF is better suited to a desk with separate audio equipment than to a living-room replacement for a television.
How does the Samsung compare with competing 27-inch 4K OLED monitors?
The Alienware AW2725Q, ASUS ROG Swift OLED PG27UCDM, and MSI MPG 272URX QD-OLED are the most relevant direct alternatives identified in the research. All occupy the same broad 27-inch 4K/240Hz QD-OLED category, so the decision turns less on basic panel class and more on finish, price, support, features, and connectivity.
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- STUNNING VISUALS and BRIGHTER HIGHLIGHTS: Samsung QD-OLED Monitor delivers superior brightness and dynamic contrast, with an expansive spectrum of colors and nearly limitless shades for consistently brilliant imagery
- OUTMANEUVER OPPONENTS w/ SUPREME SPEED: Dodge, counter and engage faster with QD-OLED technology, offering a near-instant 0.03ms response time (GtG); Stay ahead with HDMI 2.1 and DisplayPort connections and a 360Hz refresh rate in QHD resolution¹
- IMMERSE IN SMOOTH ACTION WITHOUT DISRUPTION: Support of Variable refresh rate (VRR) with AMD FreeSync Premium Pro keeps the GPU and panel synced up to eliminate choppiness, screen lag, and image tears
- DYNAMIC COOLING SYSTEM: For the first time ever, a Pulsating Heat Pipe was introduced into the monitor to prevent burn-in; The Dynamic Cooling System evaporates and condenses a coolant to diffuse heat 5x better than the older graphite sheet method
- THERMAL MODULATION SYSTEM: Algorithms predict surface temperature and then control the brightness accordingly, to automatically reduce heat²
| Monitor | Panel category | Screen-finish direction | Refresh and resolution | Best reason to consider it | Known decision caveat |
|---|---|---|---|---|---|
| Samsung Odyssey OLED G81SF S27FG810S | 27-inch 4K QD-OLED | Matte/glare-free | 3840 × 2160 at 240Hz | Reflection control and observed sale pricing around $808.41–$849.99 US | No USB-C or speakers; matte haze, VRR flicker, and bright-room purple blacks may matter. |
| Dell Alienware AW2725Q | 27-inch 4K QD-OLED | Glossy-style presentation | 27-inch 4K/240Hz category | Glossy-image preference or Dell support ecosystem | Live price and regional warranty terms require checking before publication or purchase. |
| ASUS ROG Swift OLED PG27UCDM | 27-inch 4K QD-OLED | Glossy-oriented alternative | 27-inch 4K/240Hz category | Premium enthusiast gaming features | Its value depends on live pricing and whether its specific features justify a premium. |
| MSI MPG 272URX QD-OLED | 27-inch 4K QD-OLED | Compare finish and implementation | 27-inch 4K/240Hz category | Alternative connectivity, firmware, stand, and warranty package | Live price, warranty, and exact feature differences require verification. |
RTINGS’ comparison tools place the MSI MPG 272URX and Samsung G81SF in the same direct-comparison category; RTINGS also identifies the Alienware and ASUS displays as close 27-inch 4K QD-OLED competitors. Choose Samsung when matte reflection control is central. Choose a glossy rival when the room is controlled and image clarity matters more than reflected-room management.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Which alternative makes more sense for different buyers?
| Buyer priority | Better direction | Reason |
|---|---|---|
| Matte 4K OLED for a bright room | Samsung G81SF | The glare-free finish reduces obvious reflections. |
| Glossy OLED image presentation | Alienware AW2725Q or ASUS PG27UCDM | These are the relevant glossy-style alternatives identified in the research. |
| Cheapest direct 4K/240Hz OLED | Whichever of Samsung, Dell, ASUS, or MSI is cheapest | Live prices vary, and no fixed winner should be claimed without checking at purchase time. |
| Competitive gaming with hardware that cannot drive 4K well | Samsung Odyssey OLED G60SD or another 1440p high-refresh OLED | 1440p can deliver higher attainable frame rates and better value for that workload. |
| Laptop video, charging, and peripheral docking | A competing monitor with USB-C power delivery | The G81SF has no USB-C, so it cannot provide a one-cable laptop dock. |
| Large image and more desk presence | 32-inch 4K OLED alternative | A larger screen may suit the buyer, but it uses more desk space and is not the same product as the 27-inch G81SF. |
The Samsung Odyssey OLED G60SD is a meaningful alternative for competitive players whose systems cannot sustain high 4K frame rates. Samsung’s G60SD product page identifies the 27-inch QHD 360Hz alternative. The G60SD is not a sharper substitute: 1440p has less desktop detail than the G81SF’s 4K panel.
Who should buy the Samsung G81SF?
- Buy the Samsung if you specifically want a 27-inch 4K/240Hz OLED and have a high-end GPU.
- Buy the Samsung if windows or lamps make a glossy screen distracting.
- Buy the Samsung if you play both competitive games and cinematic single-player games and value OLED motion clarity.
- Buy the Samsung if the price is below $850 US and the retailer offers a dependable return policy.
- Buy the Samsung if you accept OLED static-content maintenance and can tolerate possible text fringing or matte haze.
Who should skip the Samsung G81SF?
- Skip it if you want the clearest glossy OLED image in a controlled dark room.
- Skip it if you need USB-C video, laptop charging, and docking from one cable.
- Skip it if built-in speakers are important.
- Skip it if you expect very bright sustained HDR highlights comparable with a strong mini-LED display.
- Skip it if you are a console-only buyer who cannot use 240Hz and can find a cheaper 4K/120Hz OLED that meets your needs.
- Skip it if VRR flicker remains distracting after testing VRR Control, frame caps, firmware, and your preferred connection.
- Skip it if your GPU rarely approaches high frame rates at 4K and a 1440p high-refresh OLED would deliver more usable performance.
Final verdict: is the Samsung Odyssey OLED G81SF S27FG810S worth buying?
The Samsung Odyssey OLED G81SF S27FG810S is worth buying at roughly $800–$850 US for a high-end PC gamer who wants 4K sharpness, 240Hz OLED motion, QD-OLED color, and a matte screen that controls reflections. The monitor is not the universal best 27-inch 4K OLED because its aggressive coating can reduce perceived clarity, its HDR brightness is limited, VRR flicker can remain visible, QD-OLED blacks can look purple in bright rooms, and the monitor lacks USB-C and speakers.
At about $1,000, compare the Alienware AW2725Q, ASUS ROG Swift OLED PG27UCDM, and MSI MPG 272URX against current prices and regional support terms. Near the listed $1,299.99 comparison price, the Samsung becomes difficult to justify unless the matte finish is a deciding feature. A glossy competitor is the better choice for a controlled room and maximum image “pop,” while a 1440p high-refresh OLED is the better value for hardware that cannot exploit 4K/240Hz.
Frequently Asked Questions
Is the Samsung Odyssey OLED G81SF S27FG810S worth buying at $850?
The Samsung Odyssey OLED G81SF S27FG810S is a strong buy around $850 US if you want a matte 27-inch 4K/240Hz QD-OLED and have a high-end GPU. Compare glossy competitors first if you prioritize maximum clarity, need USB-C docking, or are sensitive to VRR flicker and OLED text artifacts.
Can the Samsung G81SF run 4K at 240Hz?
The Samsung G81SF supports a maximum refresh rate of 240Hz at its 3840 × 2160 resolution, but reaching 240fps at native 4K depends on the GPU, game, and settings. Esports games are more likely to approach 240fps than demanding AAA games.
Is the Samsung G81SF matte or glossy?
The Samsung G81SF uses a matte or glare-free coating. The finish reduces obvious reflections in bright rooms, but independent testing and subjective owner reports describe more haze or grain than some glossy OLED alternatives.
Does the Samsung G81SF have USB-C or built-in speakers?
The Samsung G81SF has no listed USB-C port and no listed built-in speakers. The monitor provides one USB upstream connection and two USB-A downstream ports, so laptop users who need video, charging, and peripherals over one cable should consider another display.
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The Samsung G81SF includes OLED-care features intended to reduce burn-in risk, including protections described as dynamic cooling, thermal modulation, and logo or taskbar detection. Those features reduce risk rather than guaranteeing that burn-in cannot occur, especially with prolonged static desktop use; warranty coverage also depends on region and usage terms.
The Bottom Line
Bottom line: Buy the Samsung Odyssey OLED G81SF S27FG810S below $850 US when matte reflection control and 4K/240Hz OLED gaming are your priorities. Choose a glossy rival for maximum perceived clarity, a 1440p OLED for weaker hardware, or a USB-C-equipped monitor for laptop docking.
