
Sceptre C305B-200UN1
Score: 75/100Acer KG251Q
Score: 87/100Rankings
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.

The Sceptre C305B-200UN1 is a budget-friendly 30-inch ultra-wide VA monitor that delivers a blistering 200 Hz refresh via DisplayPort and includes FreeSync. While it offers strong contrast and an immersive curvature, it lacks ergonomic adjustments and suffers from occasional hardware reliability issues.
| Attribute | ![]() | Acer KG251Q |
|---|---|---|
30 inchesbest | 24.5 inches | |
200 Hz | 280 Hzbest | |
2,560 pixelsbest | 1,920 pixels | |
1,080 pixelsbest | 1,080 pixelsbest | |
| ↓ lower better | 5 ms | 1 msbest |
250 nitsbest | 250 nitsbest | |
3,000 | 100,000,000best | |
1best | 1best |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | Acer KG251Q |
|---|---|---|
Display(6) | ||
Screen Size (inches) | 30 inches | 24.5 inches |
Resolution (Horizontal) (pixels) | 2560 pixels | 1920 pixels |
Refresh Rate (Hz) | 200 Hz | 280 Hz |
Response Time (ms) | 5 ms | 1 ms |
Adaptive Sync | FreeSync | FreeSync Premium, G-Sync compatible |
Contrast Ratio | 3000 | 100000000 |
Connectivity(1) | ||
HDMI Ports | 3 | 2 |
Warranty(1) | ||
Warranty Period (months) | 12 months | 36 months |
Ergonomics(1) | ||
Tilt Range (degrees) | 13 degrees | 30 degrees |
Power(1) | ||
Typical Power Consumption (W) | 39 W | 22 W |
Audio(1) | ||
Built‑in Speakers | true | false |

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

Professional reviewers highlight the standout 200 Hz refresh and ultra-wide curvature as exceptional value, but note the compromises of a VA panel, lack of HDR, and limited ergonomics.
Everyday users praise the smooth high-refresh performance and immersive screen, yet many complain about hardware defects, missing parts, and the absence of height adjustment.
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.
“200 Hz refresh makes games feel buttery smooth”

“The monitor's curvature really pulls you into the action”

“I had a DP port failure after a few months”
