GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor vs Acer SB220Q bi 21.5" FHD IPS Monitor
Choosing between GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor and Acer SB220Q bi 21.5" FHD IPS Monitor can be tricky. Both are excellent, but they serve different priorities. This guide highlights what matters for US shoppers.
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GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor
Acer SB220Q bi 21.5" FHD IPS Monitor
Comparison: GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor vs Acer SB220Q bi 21.5" FHD IPS Monitor
GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor
Acer SB220Q bi 21.5" FHD IPS Monitor
| Criterion | GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor | Acer SB220Q bi 21.5" FHD IPS Monitor |
|---|---|---|
| Rating | ★4.4(271)Best Buy | ★4.6(43,282)Amazon |
Screen Size | 28" Viewable (28" Class) | 21.5" Viewable |
Resolution | 3840 x 2160 (4K UHD) | 1920 x 1080 (FHD) |
Aspect Ratio | 16:9 | 16:9 |
Screen Type | SS IPS (Super Speed IPS) | IPS (In-Plane Switching) |
Refresh Rate | 144 Hz (PC) / 120 Hz (Console via HDMI 2.1) | 75 Hz (via HDMI) / 60 Hz (via VGA) |
Response Time | 1 ms (GtG) / 2 ms (MPRT) | 4 ms (GtG) |
Brightness | 300 nits (Typical) | 250 nits (cd/m²) |
Contrast | 1,000:1 (Typical) | 1,000:1 (Static) / 100,000,000:1 (Dynamic) |
Color Gamut | 94% DCI-P3 / 120% sRGB | 72% NTSC (Approx. 99% sRGB) |
Color Depth | 8-bit | 16.7M (6-bit + FRC) |
HDR | VESA DisplayHDR 400 | No (Not supported) |
Adaptive Sync | AMD FreeSync Premium Pro | AMD Radeon FreeSync (48-75Hz range via HDMI) |
Viewing Angles | 178° (H) / 178° (V) | 178° (H) / 178° (V) |
Curvature | Flat | Flat |
Speakers | 2x 3 W (Stereo) | No (None) |
Ports | 2x HDMI 2.1; 1x DisplayPort 1.4 (DSC); 1x USB-C (DP Alt Mode, Data, 15W PD); 3x USB 3.0 Downstream; 1x USB-B Upstream; 1x 3.5mm Headphone Out | 1x HDMI 1.4; 1x VGA |
USB C | Yes (Video + Data + 15W Power Delivery) | No |
Kvm | Yes (Built-in) | No |
Vesa | 100 x 100 mm | No (Not VESA compatible) |
Ergonomics | Height (130mm), Tilt (-5° to 20°); No Swivel or Pivot | Tilt only (-5° to 15°) |
Power Consumption | 40.5 W (Typical) / 115 W (Max) / 0.5 W (Standby) | 24 W (Typical) / 0.45 W (Standby) |
Weight With Stand | 6,930 g (15.28 lbs) | 2,480 g (5.47 lbs) |
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GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor
✓ Pros:
- • HDMI 2.1 ports support 4K @ 120Hz for PS5 and Xbox Series X (utilizing DSC or chroma subsampling due to 24Gbps bandwidth)
- • Built-in KVM switch allows controlling two devices (e.g., PC and Laptop) with one keyboard/mouse
- • Super Speed IPS panel delivers low 1ms response time with wide viewing angles
- • Excellent pixel density (157 PPI) results in extremely sharp text and images
- • Reasonably priced entry point for high-refresh 4K gaming
✗ Cons:
- • USB-C power delivery is limited to 15W/18W, which is insufficient to charge most laptops
- • HDMI 2.1 bandwidth is capped at 24Gbps (relies on DSC for full 4K 144Hz 4:4:4)
- • Stand lacks Swivel and Pivot adjustments
- • Contrast is average for IPS (1,000:1), meaning blacks look gray in dark rooms
- • HDR performance is minimal (DisplayHDR 400) with no local dimming
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Acer SB220Q bi 21.5" FHD IPS Monitor
✓ Pros:
- • Ultra-thin 'Zero Frame' design looks modern and saves desk space
- • IPS panel ensures consistent colors and wide viewing angles (178°)
- • 75Hz refresh rate with FreeSync provides smoother gaming than standard 60Hz panels
- • Excellent value for a secondary display or compact primary monitor
- • Lightweight (under 5.5 lbs) makes it easy to move or reposition
✗ Cons:
- • Lacks VESA mount compatibility (cannot be mounted on arms or walls)
- • No built-in audio or headphone jack
- • Stand is basic with no height, swivel, or pivot adjustments
- • Limited connectivity (only 1x HDMI and 1x VGA; no DisplayPort)
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Which one is better?
Based on ratings and feature balance, Acer SB220Q bi 21.5" FHD IPS Monitor has a slight edge for overall satisfaction. GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor remains a strong alternative if its strengths match your needs.
Who should buy each?
For performance and polish: GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor (HDMI 2.1 ports support 4K @ 120Hz for PS5 and Xbox Series X (utilizing DSC or chroma subsampling due to 24Gbps bandwidth), Built-in KVM switch allows controlling two devices (e.g., PC and Laptop) with one keyboard/mouse)
For value or versatility: Acer SB220Q bi 21.5" FHD IPS Monitor (Ultra-thin 'Zero Frame' design looks modern and saves desk space, IPS panel ensures consistent colors and wide viewing angles (178°))
Conclusion
There is no wrong answer here. Focus on the features you will use daily and pick the model that aligns with them.
Frequently Asked Questions
+Which has better value?
GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor excels if you value hdmi 2.1 ports support 4k @ 120hz for ps5 and xbox series x (utilizing dsc or chroma subsampling due to 24gbps bandwidth). Acer SB220Q bi 21.5" FHD IPS Monitor is better if you prioritize ultra-thin 'zero frame' design looks modern and saves desk space. Pick based on your budget and daily use.
+Is this an independent review?
Yes. We use affiliate links for monetization, but recommendations are research-driven and unbiased.
+Do newer models exist?
Check release timelines from the manufacturers and compare pricing before you buy. We refresh this page when major updates land.
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