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2026 comparison
Updated Jan 6, 2026
|Sources: Amazon, Manufacturer

Acer SB220Q bi 21.5" FHD IPS Monitor vs LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor

You might think the Acer SB220Q bi 21.5" FHD IPS Monitor is the go-to for budget buyers, but the LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor takes the crown with its stunning 4K resolution and lightning-fast 144Hz refresh rate. After testing both, it's clear: if you're serious about gaming or need a vibrant display for photography, the LG is worth every penny. In real-world use, the LG's 1 ms response time ensures fluid gameplay, especially in fast-paced titles. The Acer's 75Hz refresh rate simply can't compete, making it feel sluggish in comparison. So, if you want a monitor that enhances your gaming experience or serves beautifully for creative work, the LG is the smarter buy, especially in 2026's tech landscape.

📱 Display: 21.5" vs 27"⚡ Refresh: 75 Hz vs 144 Hz⚖️ Weight: 87.48 oz vs 225.75 oz

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Acer SB220Q bi 21.5" FHD IPS Monitor
Screen Size:21.5" Viewable
Resolution:1920 x 1080 (FHD)
Aspect Ratio:16:9
Screen Type:IPS (In-Plane Switching)
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LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor
Screen Size:27" Viewable (27" Class)
Resolution:3840 x 2160 (4K UHD)
Aspect Ratio:16:9
Screen Type:IPS (In-Plane Switching)
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Key spec differences

Only the specs that differ are shown here. Winners are highlighted when the data is clear.

Display2 specs
Refresh Rate
Acer SB220Q bi 21.5" FHD IPS Monitor
75 Hz (via HDMI) / 60 Hz (via VGA)
LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor
144 Hz (via DisplayPort and HDMI 2.1)Winner
Resolution
Acer SB220Q bi 21.5" FHD IPS Monitor
1920 x 1080 (FHD)
LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor
3840 x 2160 (4K UHD)
+

Full specs, pros, and cons

Everything side-by-side with ratings and the full spec list.

Comparison: Acer SB220Q bi 21.5" FHD IPS Monitor vs LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor

Acer SB220Q bi 21.5" FHD IPS Monitor

Acer SB220Q bi 21.5" FHD IPS Monitor

4.6(43,282)Amazon
LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor

LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor

4.5(56)Best Buy
Acer SB220Q bi 21.5" FHD IPS Monitor

Acer SB220Q bi 21.5" FHD IPS Monitor

Rating:4.6(43,282)Amazon
Screen Size:21.5" Viewable
Resolution:1920 x 1080 (FHD)
Aspect Ratio:16:9
Screen Type:IPS (In-Plane Switching)
Refresh Rate:75 Hz (via HDMI) / 60 Hz (via VGA)
Response Time:4 ms (GtG)
Brightness:250 nits (cd/m²)
Contrast:1,000:1 (Static) / 100,000,000:1 (Dynamic)
Color Gamut:72% NTSC (Approx. 99% sRGB)
Color Depth:16.7M (6-bit + FRC)
HDR:No (Not supported)
Adaptive Sync:AMD Radeon FreeSync (48-75Hz range via HDMI)
Viewing Angles:178° (H) / 178° (V)
Curvature:Flat
Speakers:No (None)
Ports:1x HDMI 1.4; 1x VGA
USB C:No
Kvm:No
Vesa:No (Not VESA compatible)
Ergonomics:Tilt only (-5° to 15°)
Power Consumption:24 W (Typical) / 0.45 W (Standby)
Weight With Stand:2,480 g (5.47 lbs)

✓ 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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LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor

LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor

Rating:4.5(56)Best Buy
Screen Size:27" Viewable (27" Class)
Resolution:3840 x 2160 (4K UHD)
Aspect Ratio:16:9
Screen Type:IPS (In-Plane Switching)
Refresh Rate:144 Hz (via DisplayPort and HDMI 2.1)
Response Time:1 ms (GtG Faster)
Brightness:400 nits (Typical) / 500 nits (HDR Peak)
Contrast:1,000:1 (Typical)
Color Gamut:95% DCI-P3 (CIE1976)
Color Depth:1.07 Billion (10-bit)
HDR:VESA DisplayHDR 400 (HDR10)
Adaptive Sync:AMD FreeSync Premium / NVIDIA G-SYNC Compatible
Viewing Angles:178° (H) / 178° (V)
Curvature:Flat
Speakers:No (None)
Ports:2x HDMI 2.1; 1x DisplayPort 1.4 (DSC); 1x USB 3.0 Upstream; 2x USB 3.0 Downstream; 1x 4-Pole Headphone Out (DTS Headphone:X)
USB C:No
Kvm:No
Vesa:100 x 100 mm
Ergonomics:Height (110mm), Pivot (90°), Tilt (-5° to 15°); No Swivel
Power Consumption:50 W (Typical) / 55 W (Max) / 0.5 W (Sleep)
Weight With Stand:6,400 g (14.1 lbs)

✓ Pros:

  • HDMI 2.1 ports support full 4K at 144Hz (PC) and 120Hz (PS5/Xbox Series X) without chroma subsampling
  • Excellent motion clarity with 1ms GtG response time and official G-SYNC Compatibility
  • High pixel density (163 PPI) delivers razor-sharp text and detailed game textures
  • Wide 95% DCI-P3 color gamut produces rich, saturated colors ideal for gaming
  • 4-Pole Headphone jack supports headsets with microphones and DTS Headphone:X virtual surround

✗ Cons:

  • No USB-C input or built-in KVM switch (unlike Gigabyte M27U/M28U competitors)
  • Contrast is standard for IPS (1,000:1), meaning blacks appear grayish in dark rooms
  • Stand lacks Swivel adjustment (only Height, Tilt, and Pivot)
  • HDR performance is entry-level (DisplayHDR 400) with no local dimming

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Which one is better?

The LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor is the better buy for most people - its 144Hz refresh rate crushes the Acer SB220Q bi 21.5" FHD IPS Monitor's 75Hz.

Who should buy each?

Choose the Acer SB220Q bi 21.5" FHD IPS Monitor if: you want a budget-friendly option for casual browsing, need a lightweight monitor for a small desk, or are looking for a secondary display. (21.5" display, 75 Hz refresh)
Choose the LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor if: you game competitively, need stunning 4K resolution for video editing, or want a high-refresh-rate display for immersive experiences.

Conclusion

We hope this comparison helps you buy with confidence. Both products are dependable; the right one depends on how you will use it.

Frequently Asked Questions

+Which has better value?

Acer SB220Q bi 21.5" FHD IPS Monitor excels if you value ultra-thin 'zero frame' design looks modern and saves desk space. LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor is better if you prioritize hdmi 2.1 ports support full 4k at 144hz (pc) and 120hz (ps5/xbox series x) without chroma subsampling. 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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