ASUS ROG Strix XG27ACMES 27" Black 2026
LG UltraGear 27GX790A-B 27" Black 2025
What Buyers Say
ASUS ROG Strix XG27ACMES 27" Black 2026
The ASUS ROG Strix XG27ACMES is a 27-inch 2K IPS gaming monitor with a 255Hz refresh rate and 0.3ms response time, offering excellent motion clarity and color accuracy for its price. Users praise the sturdy, tool-less stand with full adjustability and a built-in webcam mount, as well as the solid I/O including HDMI 2.1 and USB-C with video input. However, several reviewers report backlight bleed and build quality issues, and the lack of built-in speakers and low USB-C charging power are common complaints. The monitor delivers strong performance for gaming and productivity, but quality control concerns temper overall enthusiasm.
Pros
- High 255Hz refresh rate
- Fast 0.3ms response time
- G-SYNC/FreeSync Premium support
- Fully adjustable tool-less stand
- Built-in webcam mount
Cons
- Backlight bleed on some units
- No built-in speakers
- Low USB-C charging power (15W)
- Build quality concerns (clicking frame)
- Menu interface and button placement awkward
LG UltraGear 27GX790A-B 27" Black 2025
The LG UltraGear 27-inch OLED gaming monitor receives overwhelmingly positive feedback for its stunning OLED picture quality, incredibly high 480Hz refresh rate, and ultra-fast 0.03ms response time. Users describe it as a game-changer for competitive gaming, offering fluid motion and deep blacks. Common drawbacks include the high price, the need for a powerful GPU to reach 480Hz, and the lack of built-in speakers. Overall, it is highly recommended for serious gamers who can afford the premium.
Pros
- Stunning OLED picture quality
- Incredibly smooth 480Hz refresh rate
- Ultra-fast 0.03ms response time
- Deep blacks and vibrant colors
- Solid build and ergonomic stand
Cons
- High price point
- Requires powerful GPU for 480Hz
- No built-in speakers
- SDR brightness lower than LCD rivals
- Potential burn-in risk with OLED
Scores
Specifications
| ASUS ROG Strix XG27ACMES 27" | LG UltraGear 27GX790A-B 27" | |
|---|---|---|
| Display | ||
| Size | 27" | 27" |
| Resolution | 2560 x 1440 | 2560 x 1440 |
| Panel Type | IPS | OLED★ |
| Aspect Ratio | 16:9 | 16:9 |
| Curved | ✗ | ✗ |
| Screen Finish | matte | matte |
| Performance | ||
| Refresh Rate | 300 Hz | 480 Hz★ |
| Response Time | 1 ms | 0.029999999329447746 ms★ |
| Adaptive Sync | FreeSync Premium | FreeSync Premium Pro★ |
| Color & HDR | ||
| Brightness | 350 nits★ | 275 nits |
| Color Gamut | — | 98.5% DCI-P3 |
| Color Depth | — | 10-bit★ |
| HDR | DisplayHDR 400 | DisplayHDR True Black 400 |
| HDR Support | HDR400 | HDR10★ |
| Connectivity | ||
| HDMI Ports | 1 | 2★ |
| DisplayPort | 1 | 1 |
| USB-C | 1 | 3★ |
| Speakers | ✗ | ✗ |
| Headphone Jack | ✓ | ✓ |
| Ergonomics | ||
| Height Adjustable | ✓ | ✓ |
| Tilt | ✓ | ✓ |
| Swivel | ✓ | ✓ |
| Pivot | ✓ | ✓ |
| VESA Mount | 100x100 | 100x100 |
| Features | ||
| Webcam | ✗ | ✗ |
| Touchscreen | ✗ | ✗ |
| PIP/PBP | — | ✗ |
| Power | 21W★ | — |
| Weight | 5.96 kg★ | 9.30 kg |
Pros & Cons
ASUS ROG Strix XG27ACMES 27" Black 2026
- Strong performance (91st percentile)91st %ile
- Strong ergonomic (91st percentile)91st %ile
- Strong display (72nd percentile)
- Strong social proof (72nd percentile)
- Below average user sentiment (28th percentile)
LG UltraGear 27GX790A-B 27" Black 2025
- Strong performance (100th percentile)100th %ile
- Strong connectivity (98th percentile)98th %ile
- Strong social proof (98th percentile)98th %ile
- Strong user sentiment (95th percentile)95th %ile
Pricing
ASUS ROG Strix XG27ACMES 27" Black 2026 offers 1.5x better value for money
Verdict
Scores 95 overall, wins 5 of 6 usage categories and 8 of 29 specs.
