LG UltraGear 27GN800-B 27" Black 2021

★★★★☆ 3.7 (7)

The 27-inch QHD IPS panel with 1ms response time, 144Hz refresh rate, and G-Sync Compatible/FreeSync Premium support ensures sharp, tear-free motion. Its 99% sRGB color gamut and HDR10 improve visual accuracy, while the virtually borderless design reduces distractions. This monitor suits desktop gamers who prioritize responsive 1440p gameplay over portability or advanced stand adjustments.

Screen 27
Resolution 2560 x 1440
Panel IPS
Refresh 144 Hz
response time ms 1
adaptive sync G-Sync Compatible
HDR HDR10
LG UltraGear 27GN800-B 27" Black 2021 monitor
70 Overall Score
Also available in:

Snapshot

Pros & Cons

Pros

  • Strong color (89th percentile) 89th
  • Strong ergonomic (78th percentile) 78th
  • Strong performance (74th percentile) 74th
  • Strong feature (72th percentile) 72th

Cons

  • Below average social proof (18th percentile)

What owners think

The proof

Performance

Performance Percentiles

Color 88.7
Portability 40.2
Display 69.2
Feature 72.4
Ergonomic 77.7
Performance 73.8
Connectivity 67.4
Social Proof 18.1

Specifications

Full Specifications

Display

Size 27"
Resolution 2560 (QHD)
Panel Type IPS
Aspect Ratio 16:9
Curved No

Performance

Refresh Rate 144 Hz
Response Time 1
Adaptive Sync G-Sync Compatible

Color & HDR

Brightness 350 nits
Color Gamut 99% sRGB
Color Depth 10-bit (8-bit + FRC)
HDR HDR10
HDR Support HDR10

Connectivity

HDMI Ports 2
DisplayPort 1
Speakers Yes
Headphone Jack Yes

Ergonomics

Height Adjustable Yes
Tilt Yes
Swivel No
Pivot Yes
VESA Mount 100x100

Features

Power 45
Weight 6.0 kg / 13.2 lbs

vs Competition

Spec LG UltraGear 27GN800-B 27" ASUS ROG Strix XG27AQDMG MSI MPG MPG 271QRX QD-OLED Samsung Odyssey Neo G9 G95NC Dell UltraSharp U4025QW Alienware AW-Series AW3425DW
Screen Size 27 26.5 27 57 39.70000076293945 34
Resolution 2560 x 1440 2560 x 1440 2560 x 1440 7680 x 2160 5120 x 2160 3440x1440
Panel Type IPS OLED QD-OLED VA IPS QD-OLED
Refresh Rate 144 240 360 240 120 240
Response Time Ms 1 0.029999999329447746 0.029999999329447746 1 5 0.029999999329447746
Adaptive Sync G-Sync Compatible FreeSync Premium Pro FreeSync Premium Pro FreeSync Premium Pro Adaptive-Sync FreeSync Premium Pro
Hdr HDR10 HDR10 DisplayHDR True Black 400 HDR10+ DisplayHDR 600 DisplayHDR 400 True Black
Compare Compare Compare Compare Compare
Product ColorCompactDisplayFeatureErgonomicPerformanceConnectivitySocial Proof
LG UltraGear 27GN800-B 27" 88.740.269.272.477.773.867.418.1
ASUS ROG Strix XG27AQDMG Compare 96.473.975.772.490.597.993.186.4
MSI MPG MPG 271QRX QD-OLED Compare 98.963.876.672.490.599.582.299.5
Samsung Odyssey Neo G9 G95NC Compare 99.432.199.797.372.287.693.195.7
Dell UltraSharp U4025QW Compare 97.582.498.497.372.256.299.298.4
Alienware AW-Series AW3425DW Compare 98.379.985.691.890.597.995.295.7

Usage Scores

Overall (69.6)Gaming (66.1)Office (65.3)Creative (67.9)Portable (8.7)Professional (68.8)Entertainment (57.5)

A full written review is coming soon. The specs, scores, prices and charts above are always up to date.

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