Samsung Odyssey G40H 27" Black
The 27-inch Fast IPS panel delivers a 300Hz refresh rate and 1ms GtG response time, minimizing motion blur and ghosting for competitive play. Its G-Sync compatibility and AMD FreeSync Premium reduce screen tearing, while the ergonomic stand with height, tilt, swivel, and pivot adjustments offers comfort during long sessions. This monitor suits competitive gamers who prioritize high refresh rates and low latency over color accuracy or portability.
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Snapshot
The 30-Second Version
The Samsung Odyssey G4 G40H is a 300Hz 1080p monitor built for competitive FPS players on a budget. Performance is top-tier, landing in the 91st percentile in our database, but the 1080p resolution at 27 inches is a real compromise for everyday use. At $300 USD, it's worth buying if speed is all you care about, but skip it if you want a monitor for work and play.
Pros & Cons
Pros
- 300Hz refresh rate is blisteringly fast for the price 98th
- 1ms response time keeps motion crisp with minimal ghosting 91st
- Ergonomic stand with height, tilt, swivel, and pivot is a rare find at this price 91st
- Matte anti-glare coating works well in bright rooms 70th
Cons
- 1080p at 27 inches means soft text and visible pixels
- No built-in speakers, so budget for headphones or external audio
- Only one HDMI and one DisplayPort, no USB-C
- 240 nits brightness is dim for HDR content
What owners think
The Word on the Street
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews - so you can see whether early praise held up.
Based on 6 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
This thing is fast. The 300Hz refresh rate and 1ms GtG response time put it in the 91st percentile for performance in our database, which is basically top-tier for competitive gaming. Motion clarity is excellent, and FreeSync Premium plus G-Sync compatibility means smooth frames whether you're on Team Red or Team Green. The IPS panel keeps colors consistent at wide angles, though the 240 nits brightness is just okay. HDR10 is technically there, but don't expect much pop from a panel this dim. The Black Equalizer feature is genuinely useful for spotting enemies hiding in shadows, and the Virtual Aim Point crosshair is a nice cheat for games without one.
Specifications
Full Specifications
Display
| Size | 27" |
| Resolution | 1920x1080 (Full HD) |
| Panel Type | IPS |
| Aspect Ratio | 16:9 |
| Curved | No |
| Screen Finish | matte |
Performance
| Refresh Rate | 300 Hz |
| Response Time | 1 |
| Adaptive Sync | FreeSync Premium |
Color & HDR
| Brightness | 240 nits |
| Color Gamut | 99% sRGB |
| HDR | HDR10 |
| HDR Support | HDR10 |
Connectivity
| HDMI Ports | 1 |
| DisplayPort | 1 |
| USB-C | 0 |
| Speakers | No |
| Headphone Jack | Yes |
Ergonomics
| Height Adjustable | Yes |
| Tilt | Yes |
| Swivel | Yes |
| Pivot | Yes |
| VESA Mount | 100x100 |
Features
| Webcam | No |
| Power | 48 |
| Weight | 4.0 kg / 8.8 lbs |
vs Competition
Compared to the ASUS ROG Strix XG27UCDMG or MSI MAG 271QPX QD-OLED E2, the G4 G40H is in a completely different league. Those are 4K and 1440p OLED panels with HDR that actually looks good, but they cost two to three times as much. The LG UltraGear 27GX790A-B and Gigabyte M Series OLED MO27U2 SA are similarly premium. Where the Samsung wins is pure refresh rate per dollar. None of those competitors hit 300Hz at this price point. But if you're not a competitive FPS player, the resolution and color limitations will feel like a downgrade compared to those pricier options.
| Spec | Samsung Odyssey G40H 27" | LG UltraGear 45GX950A-B | ASUS ROG Strix XG27UCDMG | MSI MAG 271QPX QD-OLED E2 | Dell UltraSharp U4025QW | Apple Studio Display XDR |
|---|---|---|---|---|---|---|
| Screen Size | 27 | 44.5 | 27 | 27 | 39.70000076293945 | 27 |
| Resolution | 1920 x 1080 | 5120 x 2160 | 3840 x 2160 | 2560 x 1440 | 5120 x 2160 | 5120 x 2880 |
| Panel Type | IPS | OLED | OLED | QD-OLED | IPS | Mini-LED |
| Refresh Rate | 300 | 165 | 240 | 240 | 120 | 120 |
| Response Time Ms | 1 | 0.029999999329447746 | 0.029999999329447746 | 0.029999999329447746 | 5 | - |
| Adaptive Sync | FreeSync Premium | FreeSync Premium Pro | FreeSync Premium Pro | FreeSync Premium Pro | Adaptive-Sync | Adaptive-Sync |
| Hdr | HDR10 | DisplayHDR True Black 400 | DisplayHDR True Black 400 | DisplayHDR True Black 400 | DisplayHDR 600 | HDR |
| Compare | Compare | Compare | Compare | Compare |
| Product | Color | Portability | Display | Feature | User Sentiment | Ergonomic | Performance | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|---|
| Samsung Odyssey G40H 27" | 53.4 | 13.1 | 54.2 | 69.6 | 46.8 | 90.6 | 90.9 | 36.3 | 98.1 |
| LG UltraGear 45GX950A-B Compare | 99.4 | 77.2 | 99.7 | 96.2 | 74.9 | 90.6 | 96.5 | 97.1 | 95.2 |
| ASUS ROG Strix XG27UCDMG Compare | 96.3 | 58.6 | 97.9 | 84.7 | 99.1 | 90.6 | 98.1 | 82 | 99.4 |
| MSI MAG 271QPX QD-OLED E2 Compare | 99.1 | 58.6 | 79 | 84.7 | 95.4 | 90.6 | 98.1 | 82 | 99.4 |
| Dell UltraSharp U4025QW Compare | 97.8 | 77.2 | 98.7 | 96.2 | 0 | 90.6 | 56.4 | 99.3 | 95.2 |
| Apple Studio Display XDR Compare | 99.7 | 81.8 | 99.4 | 94.3 | 74.9 | 66.5 | 56.4 | 90.3 | 67.4 |
Price
Value & Pricing
At $300 USD, the G4 G40H is a solid deal if you're a competitive gamer on a budget. You're getting a 300Hz IPS panel with a fully adjustable stand, which is more than most monitors in this price range offer. The catch is that you're paying for speed, not versatility. For the same money, you could get a 1440p 165Hz monitor that's better for everyday use but slower for esports. If frames per second are your currency, this is a good buy. If you want a monitor that does everything well, keep looking.
Read more
Overview
The Samsung Odyssey G4 G40H is a 27-inch 1080p IPS panel built for one thing: speed. With a 300Hz refresh rate and 1ms response time, it's aimed squarely at competitive FPS players who care more about frames than pixel density. At $300 USD, it's a budget-friendly entry into high-refresh gaming.
But that 1080p resolution on a 27-inch screen is a compromise. Text looks soft, and general desktop use feels cramped compared to 1440p options. If you're mostly gaming, that's fine. If you're splitting time between work and play, you'll feel the trade-off.
Common Questions
Q: Is this monitor good for competitive gaming?
Yes, it's excellent for competitive gaming. The 300Hz refresh rate and 1ms response time are among the best we've tested, and FreeSync Premium plus G-Sync compatibility keep gameplay smooth on both AMD and NVIDIA GPUs.
Q: Can I use this monitor for work or general use?
You can, but it's not ideal. The 1080p resolution at 27 inches means text looks soft and you get less screen real estate than a 1440p monitor. It's fine for casual browsing, but if you do a lot of reading or productivity work, you'll notice the pixel density.
Q: Does this monitor have built-in speakers?
No, it doesn't have built-in speakers. You'll need to use headphones or external speakers, which is pretty common for gaming monitors in this price range.
Who Should Skip This
Skip this if you're not a competitive gamer. The 1080p resolution at 27 inches is a dealbreaker for productivity, photo editing, or even casual single-player games where visual detail matters more than frame rate. If you need USB-C connectivity or built-in speakers, look elsewhere. And if you're sensitive to backlight bleed, some owners report slight bleed on this panel, so OLED or higher-end IPS options might be worth the extra cash.
Verdict
This monitor is for competitive FPS players who want maximum frames without spending a fortune. If you play Valorant, CS2, Overwatch, or Apex Legends and you're still on 144Hz, the jump to 300Hz is noticeable and this panel delivers it cheaply. Casual gamers and general users should look elsewhere. The 1080p resolution at 27 inches is a real drawback for anything that isn't fast-paced gaming.