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LG UltraGear 27G850A-B vs LG UltraGear 27GR83Q-B

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

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LGUltraGear 27G850A-BLGUltraGear 27GR83Q-B
Overview
ReleasedFebruary 20252023
Display
Screen size27″27″
Resolution3840 × 2160 (4K)2560 × 1440 (QHD)
Sharpness163 pixels per inch109 pixels per inch
PanelIPS (Nano IPS Black; dual mode switches to 1920 x 1080 at 480Hz)IPS
Refresh rate240 Hz240 Hz
Response time (grey to grey)1 ms1 ms
Brightness (typical)450 nits400 nits
HDR certificationDisplayHDR 600DisplayHDR 400
HDR formatsHDR10HDR10
Contrast ratio2,000:11,000:1
Colour range99% DCI-P3 (CIE 1976)95% DCI-P3 (CIE 1976)
DCI-P3 coverage99%95%
ShapeFlatFlat
Adaptive syncG-Sync Compatible, FreeSync Premium Pro, VESA AdaptiveSyncG-Sync Compatible, FreeSync Premium
Colour depth1.07 billion colours; 8-bit plus FRC (PCW and DisplayNinja)1.07 billion colours
Colour modes–Reader Mode and colour weakness mode
HDR detailEight dimming zones (PCW and DisplayNinja); LG Korea lists 750 nits typical peak brightness and 600 nits minimum peak brightness–
Response time detail1ms grey to grey in Faster mode1ms grey to grey in Faster mode
Viewing angles178° horizontal and vertical, CR ≥ 10178° horizontal and vertical, CR ≥ 10
Pixel pitch0.1554 x 0.1554 mm0.2331 x 0.2331 mm
Eye careFlicker Safe, Reader Mode and Live Color Low Blue Light with TÜV Rheinland Eyesafe certificationFlicker Safe and Reader Mode
CalibrationFactory colour calibration and hardware calibration supportFactory calibration and hardware calibration support
Connections
Video inputs2 × HDMI 2.1, DisplayPort 2.12 × HDMI 2.1, DisplayPort 1.4
USB-C chargingNoneNone
USB ports2 × USB-A2 × USB-A
SpeakersNoNo
HDMI detail2 x HDMI 2.1; 3840 x 2160 at 240Hz or 1920 x 1080 at 480Hz2 x HDMI 2.1; 2560 x 1440 at 240Hz
DisplayPort detail1 x DisplayPort 2.1; 3840 x 2160 at 240Hz or 1920 x 1080 at 480Hz1 x DisplayPort 1.4; 2560 x 1440 at 240Hz
USB hub detailUSB 3.2 Gen 1; one USB-B upstream and two USB-A downstream portsUSB 3.0; one upstream and two downstream ports
Picture by pictureNo picture in picture or picture by pictureNo picture in picture or picture by picture
Audio outFour-pole headphone and microphone jack with DTS Headphone:XFour-pole headphone and microphone jack with DTS Headphone:X
Design
Stand adjustsHeight, tilt, swivel, pivotHeight, tilt, pivot
VESA mountYesYes
Weight with stand9.4 kg6.2 kg
Height adjustment110 mm110 mm
Tilt-8° to +15°-5° to +15°
Swivel-30° to +30°–
PivotCounter-clockwise portrait rotation90° clockwise
VESA pattern100 x 100 mm100 x 100 mm
Size with stand614.7 x 249.1 x 471.8–581.8 mm (W x D x H)613.5 x 253.7 x 467.7–577.7 mm (W x D x H)
Size without stand614.7 x 68.1 x 365.4 mm (W x D x H)613.5 x 51.3 x 371.6 mm (W x D x H)
Weight without stand5.2 kg4.3 kg
ControlsRear joystick; user-defined shortcut key–
ColoursBlack with Unity Hexagon Lighting–
Power and support
Power use44 W on mode (LG Korea); ≤ 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
SoftwareLG Switch, LG Calibration Studio and Dual ControllerLG Calibration Studio and OnScreen Control (LG Korea)
In the boxAdapter, power cable, HDMI cable, DisplayPort cable and USB A to B cableAdapter, power cable, DisplayPort cable, HDMI cable and USB A to B cable

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