Acer KG251Q
Score: 87/100
Alienware 34 Curved QD-OLED
Score: 89/100Rankings

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.
The Acer Nitro 24.5" VA monitor pushes performance with a 280 Hz refresh rate and 1 ms VRB response, targeting competitive esports gamers. Its ZeroFrame design and FreeSync Premium make it attractive for fast-paced play, though ergonomic adjustments and HDR brightness are limited.
| Attribute | Acer KG251Q | ![]() |
|---|---|---|
24.5 inches | 34.18 inchesbest | |
280 Hzbest | 165 Hz | |
1,920 pixels | 3,440 pixelsbest | |
1,080 pixels | 1,440 pixelsbest | |
| ↓ lower better | 1 ms | 0.1 msbest |
250 nitsbest | 250 nitsbest | |
100,000,000best | 1,000,000 | |
1 | 2best |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | Acer KG251Q | ![]() |
|---|---|---|
Display(9) | ||
Screen Size (inches) | 24.5 inches | 34.18 inches |
Panel Type | VA | QD-OLED |
Resolution (Horizontal) (pixels) | 1920 pixels | 3440 pixels |
Resolution (Vertical) (pixels) | 1080 pixels | 1440 pixels |
Refresh Rate (Hz) | 280 Hz | 165 Hz |
Response Time (ms) | 1 ms | 0.1 ms |
Adaptive Sync | FreeSync Premium, G-Sync compatible | FreeSync Premium Pro, G-Sync Ultimate, VESA Adaptive-Sync |
Contrast Ratio | 100000000 | 1000000 |
Color Gamut | sRGB 99% | 99.3% DCI-P3, 149% sRGB |
Connectivity(2) | ||
HDMI Ports | 2 | 1 |
DisplayPort Ports | 1 | 2 |
Ergonomics(1) | ||
Tilt Range (degrees) | 30 degrees | 26 degrees |
Power(1) | ||
Typical Power Consumption (W) | 22 W | 34 W |

Products in the top-left offer the best value (high score, low price).
Professional reviewers highlight the monitor's exceptional value for competitive gamers, emphasizing its 280 Hz refresh rate, FreeSync Premium support and ZeroFrame design as standout features that deliver flagship-level performance at a budget price.
Everyday users consistently praise the ultra-smooth gameplay and bezel-less design, while common complaints focus on the lack of height adjustment, occasional ghosting in dark scenes, and the need to manually overclock to achieve the full 280 Hz refresh rate.

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.
“280 Hz makes every game feel buttery smooth”
“ZeroFrame design is perfect for multi-monitor rigs”
“Wish it had height adjustment”