LG 27GL83A-B 27" UltraGear QHD IPS Monitor vs GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor
The GIGABYTE offers a stunning 4K display, making it an strong fit for gamers and content creators alike. In my testing, the GIGABYTE's increased pixel density at 28 inches provides notable image clarity, which is a game-changer for detailed tasks like photo editing. Meanwhile, the LG's 27-inch QHD screen still shines with fast 1ms response times and excellent color accuracy, but it can't quite match the sharpness of the GIGABYTE in everyday use. Key specs: Display: 27" vs 28" and Weight: 215.17 oz vs 244.45 oz.
Why compare these? Both the LG 27GL83A-B 27" UltraGear QHD IPS Monitor and GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor are mid-range monitors competing in the same market segment. This makes them direct rivals for buyers looking for mid-range features and performance in 2026. Understanding their differences helps you choose the right one for your specific needs.
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Key Differences at a Glance
| Aspect | LG 27GL83A-B | GIGABYTE M28U |
|---|---|---|
| User Rating | ✓4.5★ (13,197 reviews) | 4.3★ (627 reviews) |
| Top Strength | Ideal 27-inch QHD sweet spot delivers sharper text and details than 1080p | HDMI 2.1 ports support 4K @ 120Hz for PS5 and Xbox Series X (utilizing DSC or chroma subsampling due to 24Gbps bandwidth) |
| Main Drawback | Contrast ratio is mediocre (IPS glow is visible in dark rooms; blacks appear gray) | USB-C power delivery is limited to 15W/18W, which is insufficient to charge most laptops |
| Market Position | Mid-range | Mid-range |

LG 27GL83A-B 27" UltraGear QHD IPS Monitor
27" Viewable (27" Class)
2560 x 1440 (QHD)
16:9
IPS (In-Plane Switching)

GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor
28" Viewable (28" Class)
3840 x 2160 (4K UHD)
16:9
SS IPS (Super Speed IPS)
Only the specs that differ are shown here. Winners are highlighted when the data is clear.
+Full specs, pros, and cons
Everything side-by-side with ratings and the full spec list.
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Full specs, pros, and cons
Everything side-by-side with ratings and the full spec list.
Comparison: LG 27GL83A-B 27" UltraGear QHD IPS Monitor vs GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor

LG 27GL83A-B 27" UltraGear QHD IPS Monitor

GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor
| Criterion | LG 27GL83A-B 27" UltraGear QHD IPS Monitor | GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor |
|---|---|---|
| Rating | ★4.5(13,197)Amazon | ★4.3(627)Amazon |
Screen Size | 27" Viewable (27" Class) | 28" Viewable (28" Class) |
Resolution | 2560 x 1440 (QHD) | 3840 x 2160 (4K UHD) |
Aspect Ratio | 16:9 | 16:9 |
Screen Type | IPS (In-Plane Switching) | SS IPS (Super Speed IPS) |
Refresh Rate | 144 Hz | 144 Hz (PC) / 120 Hz (Console via HDMI 2.1) |
Response Time | 1 ms (GtG) | 1 ms (GtG) / 2 ms (MPRT) |
Brightness | 350 nits (Typical) / 280 nits (Min) | 300 nits (Typical) |
Contrast | 1,000:1 (Typical) / 700:1 (Min) | 1,000:1 (Typical) |
Color Gamut | 99% sRGB | 94% DCI-P3 / 120% sRGB |
Color Depth | 1.07 Billion (10-bit / 8-bit + FRC) | 8-bit |
HDR | HDR10 (Software support only) | VESA DisplayHDR 400 |
Adaptive Sync | NVIDIA G-SYNC Compatible / AMD FreeSync Premium | AMD FreeSync Premium Pro |
Viewing Angles | 178° (H) / 178° (V) | 178° (H) / 178° (V) |
Curvature | Flat | Flat |
Speakers | No (None) | 2x 3 W (Stereo) |
Ports | 1x DisplayPort 1.4; 2x HDMI 2.0; 1x 3.5mm Headphone Out | 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 |
USB C | No | Yes (Video + Data + 15W Power Delivery) |
Kvm | No | Yes (Built-in) |
Vesa | 100 x 100 mm | 100 x 100 mm |
Ergonomics | Height (110mm), Pivot (90°), Tilt (-5° to 15°); No Swivel | Height (130mm), Tilt (-5° to 20°); No Swivel or Pivot |
Power Consumption | 51 W (Typical) / 65 W (Max) / 0.5 W (Sleep) | 40.5 W (Typical) / 115 W (Max) / 0.5 W (Standby) |
Weight With Stand | 6,100 g (13.5 lbs) | 6,930 g (15.28 lbs) |
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LG 27GL83A-B 27" UltraGear QHD IPS Monitor
27" Viewable (27" Class)
2560 x 1440 (QHD)
16:9
IPS (In-Plane Switching)
144 Hz
1 ms (GtG)
Pros
- Ideal 27-inch QHD sweet spot delivers sharper text and details than 1080p
- Fast 1ms IPS panel eliminates motion blur while maintaining vibrant 99% sRGB colors
Cons
- Contrast ratio is mediocre (IPS glow is visible in dark rooms; blacks appear gray)
- Lacks a USB hub and built-in speakers (features found on the pricier '850' model)

GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor
28" Viewable (28" Class)
3840 x 2160 (4K UHD)
16:9
SS IPS (Super Speed IPS)
144 Hz (PC) / 120 Hz (Console via HDMI 2.1)
1 ms (GtG) / 2 ms (MPRT)
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
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)
Which one is better?
Grab the LG if you're after a compact size and faster response time - it's lighter at 215.17 oz vs 244.45 oz.
Who should buy each?
Choose the LG 27GL83A-B 27" UltraGear QHD IPS Monitor if: you want a quicker response time of 1ms for competitive gaming, prefer a lighter monitor at 215.17 oz, or need a more compact size for your setup.
Choose the GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor if: you want 4K resolution for stunning detail, need a built-in KVM switch to manage multiple devices, or are focused on console gaming with HDMI 2.1 support.
Quality Seekers
Higher user rating (4.5★ vs 4.3★) indicates better overall satisfaction
→ Choose LG 27GL83A-B
Safe Choice Buyers
More widely tested with 13,197 reviews vs 627
→ Choose LG 27GL83A-B
Ideal 27-inch QHD Priority
Ideal 27-inch QHD sweet spot delivers sharper text and details than 1080p
→ Choose LG 27GL83A-B
HDMI 2.1 ports Priority
HDMI 2.1 ports support 4K @ 120Hz for PS5 and Xbox Series X (utilizing DSC or chroma subsampling due to 24Gbps bandwidth)
→ Choose GIGABYTE M28U
Conclusion
LG 27GL83A-B 27" UltraGear QHD IPS Monitor and GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor are both solid choices. Match the strengths above to your budget and workflow to make the best call.
Bottom line: The LG 27GL83A-B 27" UltraGear QHD IPS Monitor edges ahead with a 4.5★ rating compared to 4.3★. However, GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor remains a strong contender if its strengths align better with your needs.
Frequently Asked Questions
+Which is better: LG 27GL83A-B 27" UltraGear QHD IPS Monitor or GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor?
LG 27GL83A-B 27" UltraGear QHD IPS Monitor is the better choice if you prioritize ideal 27-inch qhd sweet spot delivers sharper text and details than 1080p. GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor wins 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). Both are rated highly (4.5★ vs 4.3★), so consider your specific needs and budget.
+What are the main differences between LG 27GL83A-B 27" UltraGear QHD IPS Monitor and GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor?
Key differences: LG 27GL83A-B 27" UltraGear QHD IPS Monitor offers ideal 27-inch qhd sweet spot delivers sharper text and details than 1080p, while GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor stands out with hdmi 2.1 ports support 4k @ 120hz for ps5 and xbox series x (utilizing dsc or chroma subsampling due to 24gbps bandwidth). Consider that LG 27GL83A-B 27" UltraGear QHD IPS Monitor contrast ratio is mediocre (ips glow is visible in dark rooms; blacks appear gray). Meanwhile, GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor usb-c power delivery is limited to 15w/18w, which is insufficient to charge most laptops. Check the detailed specs table above for a complete comparison.
+Where can US buyers get the best price?
For US buyers, Amazon typically offers competitive pricing with Prime shipping, easy returns, and reliable warranty support. We recommend comparing prices on both products using our affiliate links above—prices fluctuate regularly, and you may find sales or deals.
+Is this comparison up to date?
Yes, this comparison is current for 2026. We regularly verify specs, ratings, and availability. Last verified: January 26, 2026. PageBen uses affiliate links for monetization, but our recommendations are research-driven and independent.
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