Acer KG251Q
Score: 87/100Gigabyte M27UP SA
Score: 88/100Rankings
The Gigabyte M27UP is a versatile 27-inch SS-IPS monitor that combines 4K @ 160 Hz and 1080p @ 320 Hz modes, delivering vivid colors, fast response, and extensive ergonomics. It adds a USB-C KVM switch and decent built-in speakers, making it suitable for both gamers and creators.
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 | Gigabyte M27UP SA |
|---|---|---|
24.5 inches | 27 inchesbest | |
280 Hzbest | 160 Hz | |
1,920 pixels | 3,840 pixelsbest | |
1,080 pixels | 2,160 pixelsbest | |
| ↓ lower better | 1 msbest | 1 msbest |
250 nits | 350 nitsbest | |
100,000,000best | 1,000 | |
1best | 1best |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | Acer KG251Q | Gigabyte M27UP SA |
|---|---|---|
Display(9) | ||
Screen Size (inches) | 24.5 inches | 27 inches |
Panel Type | VA | SS IPS |
Resolution (Horizontal) (pixels) | 1920 pixels | 3840 pixels |
Resolution (Vertical) (pixels) | 1080 pixels | 2160 pixels |
Refresh Rate (Hz) | 280 Hz | 160 Hz |
Adaptive Sync | FreeSync Premium, G-Sync compatible | FreeSync Premium, G-SYNC Compatible |
Brightness (nits) | 250 nits | 350 nits |
Contrast Ratio | 100000000 | 1000 |
Color Gamut | sRGB 99% | 95% DCI-P3, 125% sRGB |
Ergonomics(1) | ||
Tilt Range (degrees) | 30 degrees | 26 degrees |
Power(1) | ||
Typical Power Consumption (W) | 22 W | 27 W |
Audio(1) | ||
Built‑in Speakers | false | true |
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 praise the rare 4K 160 Hz IPS panel and the USB-C KVM, but note that HDR400 is modest and firmware can be finicky when toggling modes.
Everyday users love the vivid colors, sharp image quality, and ergonomic stand, while some report occasional firmware hiccups and limited HDR impact.
“280 Hz makes every game feel buttery smooth”
“ZeroFrame design is perfect for multi-monitor rigs”
“Wish it had height adjustment”
