
Asus XG279CNS
Score: 96/100
Alienware 34 Curved QD-OLED
Score: 89/100Rankings

The ASUS ROG Strix XG279CNS is a 27-inch Full HD gaming monitor built for esports with an over-clockable 380 Hz refresh rate and 0.3 ms response time. It combines Fast IPS display quality with ELMB SYNC, G-SYNC compatibility and a fully adjustable ergonomic stand, plus USB-C connectivity for modern laptops.

The Dell Alienware AW3423DWF is a 34.18-inch ultrawide QD-OLED monitor delivering WQHD resolution, 165 Hz refresh, and a lightning-fast 0.1 ms response. It offers infinite contrast, a wide color gamut, HDR10 support, and adaptive-sync compatibility with both AMD and NVIDIA GPUs, targeting enthusiast gamers and creators. Drawbacks include limited HDMI bandwidth, fan noise, and a lack of built-in speakers.
| Attribute | ![]() | ![]() |
|---|---|---|
27 inches | 34.18 inchesbest | |
380 Hzbest | 165 Hz | |
1,920 pixels | 3,440 pixelsbest | |
1,080 pixels | 1,440 pixelsbest | |
| ↓ lower better | 0.3 ms | 0.1 msbest |
400 nitsbest | 250 nits | |
1,000 | 1,000,000best | |
1 | 2best |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Display(10) | ||
Screen Size (inches) | 27 inches | 34.18 inches |
Panel Type | Fast IPS | QD-OLED |
Resolution (Horizontal) (pixels) | 1920 pixels | 3440 pixels |
Resolution (Vertical) (pixels) | 1080 pixels | 1440 pixels |
Refresh Rate (Hz) | 380 Hz | 165 Hz |
Response Time (ms) | 0.3 ms | 0.1 ms |
Adaptive Sync | FreeSync Premium, G‑Sync Compatible | FreeSync Premium Pro, G-Sync Ultimate, VESA Adaptive-Sync |
Brightness (nits) | 400 nits | 250 nits |
Contrast Ratio | 1000 | 1000000 |
Color Gamut | 110% sRGB | 99.3% DCI-P3, 149% sRGB |
Connectivity(1) | ||
DisplayPort Ports | 1 | 2 |
Ergonomics(2) | ||
Tilt Range (degrees) | 25 degrees | 26 degrees |
Swivel Range (degrees) | 90 degrees | 40 degrees |
Power(1) | ||
Typical Power Consumption (W) | 20 W | 34 W |


Products in the top-left offer the best value (high score, low price).

Professional reviewers regard the XG279CNS as a premier choice for competitive esports gamers, emphasizing its unmatched 380 Hz refresh rate, 0.3 ms response, and the rare combination of ELMB SYNC with variable refresh rate. They also commend its ergonomic stand and USB-C connectivity, while cautioning that the 1080p panel and entry-level HDR limit its appeal for content creators or users seeking high-resolution immersion.
Everyday users consistently praise the monitor's ultra-smooth gameplay, noticeable advantage of the 380 Hz refresh, and the flexible stand adjustments. USB-C connectivity is frequently highlighted as a convenience, and the vibrant colors receive positive remarks. Common complaints focus on the low pixel density of the 1080p panel, lack of built-in speakers, and underwhelming HDR performance.

Professional reviewers laud the AW3423DWF for its groundbreaking QD-OLED panel, citing infinite contrast, lightning-fast response, and a color gamut that outshines most competing ultrawide monitors. They commend the adaptive-sync support and ergonomic design, but criticize the lack of HDMI 2.1, the sub-par anti-glare coating, and the presence of an active cooling fan that adds audible noise.
Everyday users echo the praise for deep blacks, vivid colors, and rapid response, often highlighting the monitor's immersive feel for gaming and content creation. Common complaints revolve around the HDMI limitation, fan noise, glare from the glossy surface, and concerns about OLED burn-in and the relatively short warranty period.
“Incredibly smooth gameplay-perfect for CS2 and Valorant”

“The 380 Hz makes a noticeable difference in fast-paced games”

“Love the height and pivot adjustments-great for multi-use setups”

