Samsung Odyssey SAMSUNG Odyssey G81SF 27" UHD 4K 240Hz AMD Review
The Samsung Odyssey G8 OLED delivers a breathtaking 4K picture at a silky 240Hz, but it comes with classic OLED trade-offs. We found it's a masterpiece for dark rooms, but its slow wake-up time is a real annoyance.
The 30-Second Version
This is a 4K OLED beauty with the speed of a competitive gaming monitor. The picture is incredible, but be ready for slow wake times and a price tag that likes to wander.
Overview
The Samsung Odyssey G8 OLED is a monitor that makes you forget about compromise. It's the rare screen that delivers both the jaw-dropping visual pop of 4K OLED and the buttery-smooth 240Hz refresh rate of a competitive gaming display. The one thing you need to know? This is an absolute visual treat, but it comes with a few quirks that are baked into the OLED experience.
Performance
The numbers don't lie. That 0.03ms response time and 240Hz refresh rate combo is the real deal, landing it in the 83rd percentile for performance in our database. Motion clarity is phenomenal, with zero ghosting or smearing. The surprise, honestly, is how good it is for everything else. With a pixel density of 166 PPI, text is razor-sharp, making it a shockingly good monitor for productivity and general use, not just gaming.
Pros & Cons
Pros
- The 4K QD-OLED panel is stunning. Perfect blacks and vibrant colors make every game and movie pop. 100th
- 240Hz refresh rate with near-instant response time makes for unbelievably smooth, tear-free gameplay. 98th
- The anti-glare coating actually works, and the premium metal build feels solid and looks sleek. 90th
- Samsung's anti-burn-in tech, like the dynamic cooling and logo detection, is more comprehensive than most. 88th
Cons
- Peak brightness is only 250 nits. In a bright room, HDR content can look a bit dim. 28th
- The wake-from-sleep time is notoriously slow, which is a genuine annoyance for daily use.
- It's heavy and not compact at all, scoring in the 28th percentile for portability.
- You're paying a premium for the OLED tech, and the price swings wildly between retailers.
The Word on the Street
Specifications
Full Specifications
Display
| Size | 27" |
| Resolution | 3840 (4K UHD) |
| Panel Type | OLED |
| Aspect Ratio | 16:9 |
| Curved | No |
Performance
| Refresh Rate | 240 Hz |
| Adaptive Sync | FreeSync Premium Pro |
Color & HDR
| Brightness | 250 nits |
| Color Gamut | 1.07 Billion Colors |
| HDR | HDR10+ |
| HDR Support | HDR10+ |
Connectivity
| HDMI Ports | 2 |
| DisplayPort | 1 |
| Speakers | No |
Ergonomics
| Height Adjustable | Yes |
| Tilt | Yes |
| Swivel | Yes |
| Pivot | No |
| VESA Mount | 100x100 |
Features
| Webcam | No |
| Touchscreen | No |
| Weight | 6.9 kg / 15.2 lbs |
Value & Pricing
Is it worth it? At the low end of its wild price range ($950), it's an absolute steal. At the high end ($1850), you're paying a hefty 'early adopter' tax. Shop around. The core tech is fantastic, but don't overpay just because it says Samsung.
vs Competition
The most direct competitor is the ASUS ROG Swift 32" 4K QD-OLED. It's bigger and often brighter, but it usually costs more. If you want sheer size and curve, the Samsung Odyssey Neo G9 57" is a monster, but you're trading pixel density for immersion. For most people, this 27" G8 hits the sweet spot of size and sharpness. The LG UltraGear 45" is a different beast with its ultra-wide aspect ratio, and the MSI MPG 32" is a similar spec but with a more traditional IPS panel—you lose the perfect blacks but gain brightness.
| Spec | Samsung Odyssey SAMSUNG Odyssey G81SF 27" UHD 4K 240Hz AMD | Samsung Odyssey Samsung - 57" Odyssey Neo G9 Dual 4K UHD Quantum | LG UltraGear LG UltraGear 45" WUHD DUAL MODE 4K 165Hz FHD 330Hz | MSI MPG MSI 27 inch WQHD 2K 1440P 360Hz with AMD FreeSync | ASUS ROG Swift ASUS ROG Swift 27" UHD 4K 240Hz with FreeSync | Dell UltraSharp Dell UltraSharp 27" 4K HDR 120 Hz Monitor & |
|---|---|---|---|---|---|---|
| Screen Size | 27 | 57 | 45 | 27 | 27 | 27 |
| Resolution | 3840 x 2160 | 7680 x 2160 | 5120 x 2160 | 2560 x 1440 | 3840 x 2160 | 3840 x 2160 |
| Panel Type | OLED | VA | OLED | OLED | OLED | IPS |
| Refresh Rate | 240 | 240 | 165 | 360 | 240 | 120 |
| Response Time Ms | - | 1 | - | 0 | - | 5 |
| Adaptive Sync | FreeSync Premium Pro | FreeSync Premium Pro | G-Sync Compatible | FreeSync Premium Pro | G-Sync Compatible | - |
| Hdr | HDR10+ | HDR10+ | HDR10 | HDR400 | HDR400 | HDR |
Common Questions
Q: Is the HDR good with only 250 nits of brightness?
For dark room gaming and movies, yes—the infinite contrast of OLED makes HDR pop. But in a sunny room, it will look dim compared to brighter mini-LED monitors.
Q: Should I be worried about screen burn-in?
Less than with older OLEDs. Samsung's safeguard system with dynamic cooling and logo dimming is aggressive. For mixed use, it's fine. For displaying a static stock ticker 24/7, maybe look elsewhere.
Q: What's the deal with the ports?
You get future-proofed connectivity: two HDMI 2.1 ports and a DisplayPort 1.4, which is all you need to run 4K at 240Hz from a modern PC or console.
Who Should Skip This
If you need a super bright monitor for a sun-drenched home office, skip this. The 250 nits won't cut it. Go look at a good mini-LED panel instead. Also, if you constantly switch inputs or wake your PC, the sluggish start-up will drive you nuts.
Verdict
If you want the best possible picture quality for gaming and media and you can live with OLED's quirks (like the slow wake-up and brightness limits), this monitor is a knockout. It's a no-compromise display for those who prioritize visual fidelity above all else. Just make sure your room isn't too bright and your patience isn't too short.