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LG UltraGear 27GL850-B vs LG UltraGear 27GR83Q-B

Every spec side by side, from each maker's published figures.

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LGUltraGear 27GL850-BLGUltraGear 27GR83Q-B
Overview
ReleasedJuly 20192023
Display
Screen size27″27″
Resolution2560 × 1440 (QHD)2560 × 1440 (QHD)
Sharpness109 pixels per inch109 pixels per inch
PanelIPS (Nano IPS)IPS
Refresh rate144 Hz240 Hz
Response time (grey to grey)1 ms1 ms
Brightness (typical)350 nits400 nits
HDR certification–DisplayHDR 400
HDR formatsHDR10HDR10
Contrast ratio1,000:11,000:1
Colour range98% DCI-P3 (CIE 1976)95% DCI-P3 (CIE 1976)
DCI-P3 coverage98%95%
ShapeFlatFlat
Adaptive syncG-Sync Compatible, FreeSyncG-Sync Compatible, FreeSync Premium
Colour depth1.07 billion colours; 8-bit plus FRC (TFTCentral)1.07 billion colours
sRGB coverage135% sRGB (LG Korea)–
Colour accuracyFactory colour calibration–
Colour modessRGB and Reader modes; Gamer, FPS and RTS presets (TFTCentral)Reader Mode and colour weakness mode
HDR detailHDR10 input support; no local dimming (TFTCentral)–
Response time detail1ms grey to grey in Faster mode; LG warns this setting can cause visible trails and recommends Fast if they occur1ms grey to grey in Faster mode
Variable refresh range48–144Hz over DisplayPort; 48–100Hz over HDMI with adaptive sync (TFTCentral)–
Viewing angles178° horizontal and vertical, CR ≥ 10178° horizontal and vertical, CR ≥ 10
Pixel pitch0.2331 x 0.2331 mm0.2331 x 0.2331 mm
Eye careFlicker Safe and Reader ModeFlicker Safe and Reader Mode
Calibration–Factory calibration and hardware calibration support
Connections
Video inputs2 × HDMI 2.0, DisplayPort 1.42 × HDMI 2.1, DisplayPort 1.4
USB-C chargingNoneNone
USB ports2 × USB-A2 × USB-A
SpeakersNoNo
HDMI detail2 x HDMI 2.0; 2560 x 1440 at 144Hz with 8-bit colour in LG's specification; adaptive-sync operation has a lower maximum2 x HDMI 2.1; 2560 x 1440 at 240Hz
DisplayPort detail1 x DisplayPort 1.4; 2560 x 1440 at 144Hz with 10-bit colour1 x DisplayPort 1.4; 2560 x 1440 at 240Hz
USB hub detailUSB 3.0; one upstream and two downstream portsUSB 3.0; one upstream and two downstream ports
Picture by picture–No picture in picture or picture by picture
Audio outHeadphone outputFour-pole headphone and microphone jack with DTS Headphone:X
Design
Stand adjustsHeight, tilt, pivotHeight, tilt, pivot
VESA mountYesYes
Weight with stand6.1 kg6.2 kg
Height adjustment110 mm110 mm
Tilt–-5° to +15°
Pivot–90° clockwise
VESA pattern100 x 100 mm100 x 100 mm
Size with stand614.2 x 274.4 x 464.8–574.8 mm (W x D x H)613.5 x 253.7 x 467.7–577.7 mm (W x D x H)
Size without stand614.2 x 56.3 x 364.8 mm (W x D x H)613.5 x 51.3 x 371.6 mm (W x D x H)
Weight without stand4.2 kg4.3 kg
ColoursBlack with red trim–
Power and support
Power use51 W on mode; 65 W maximum; ≤ 0.5 W sleep; ≤ 0.3 W off≤ 0.5 W sleep; ≤ 0.3 W off; LG Korea lists 31.8 W on mode, while LG Greece lists 50 W typical
Power supplyExternal adapter; 100–240V, 50/60HzExternal adapter; 100–240V, 50/60Hz
SoftwareOnScreen ControlLG Calibration Studio and OnScreen Control (LG Korea)
In the boxAdapter, power cable, HDMI cable, DisplayPort cable and USB 3.0 upstream cableAdapter, power cable, DisplayPort cable, HDMI cable and USB A to B cable

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