LG UltraGear 27GR83Q-B vs LG UltraGear OLED 27GX700A

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UltraGear 27GR83Q-B compared with UltraGear OLED 27GX700A

	LGUltraGear 27GR83Q-B	LGUltraGear OLED 27GX700A
Overview
Released
Released	2023	August 2025
Display
Screen size
Screen size	27″	26.5″
Resolution
Resolution	2560 × 1440 (QHD)	2560 × 1440 (QHD)
Sharpness
Sharpness	109 pixels per inch	111 pixels per inch (better)
Panel
Panel	IPS	OLED (LG Display fourth-generation Primary RGB Tandem WOLED)
Refresh rate
Refresh rate	240 Hz	280 Hz (better)
Response time (grey to grey)
Response time (grey to grey)	1 ms	0.03 ms (better)
Brightness (typical)
Brightness (typical)	400 nits (better)	335 nits
HDR peak brightness
HDR peak brightness	–	1,500 nits
HDR certification
HDR certification	DisplayHDR 400	DisplayHDR True Black 500
HDR formats
HDR formats	HDR10	HDR10
Contrast ratio
Contrast ratio	1,000:1	1,500,000:1
Colour range
Colour range	95% DCI-P3 (CIE 1976)	99.5% DCI-P3 (typical)
DCI-P3 coverage
DCI-P3 coverage	95%	99.5% (better)
Shape
Shape	Flat	Flat
Adaptive sync
Adaptive sync	G-Sync Compatible, FreeSync Premium	FreeSync Premium Pro, G-Sync Compatible
Colour depth
Colour depth	1.07 billion colours	1.07 billion colours
Colour modes
Colour modes	Reader Mode and colour weakness mode	Reader Mode, Colour Weakness mode; HDR Effect
HDR detail
HDR detail	–	HDR10; VESA DisplayHDR True Black 500; 1,500 nits peak at 1.5% APL (TFTCentral, from LG)
Response time detail
Response time detail	1ms grey to grey in Faster mode	–
Viewing angles
Viewing angles	178° horizontal and vertical, CR ≥ 10	178° / 178°
Pixel pitch
Pixel pitch	0.2331 x 0.2331 mm	0.2292 × 0.2292 mm
Eye care
Eye care	Flicker Safe and Reader Mode	–
Calibration
Calibration	Factory calibration and hardware calibration support	Factory calibrated; hardware calibration ready (LG Calibration Studio)
Connections
Video inputs
Video inputs	2 × HDMI 2.1, DisplayPort 1.4	2 × HDMI 2.1, DisplayPort 1.4
USB-C charging
USB-C charging	None	None
USB ports
USB ports	2 × USB-A	USB-A
Speakers
Speakers	No	No
HDMI detail
HDMI detail	2 x HDMI 2.1; 2560 x 1440 at 240Hz	2 × HDMI 2.1 (cable included)
DisplayPort detail
DisplayPort detail	1 x DisplayPort 1.4; 2560 x 1440 at 240Hz	DisplayPort 1.4
USB hub detail
USB hub detail	USB 3.0; one upstream and two downstream ports	1 × USB 3.0 upstream (USB-B), 1 × USB 3.0 downstream
Picture by picture
Picture by picture	No picture in picture or picture by picture	–
Audio out
Audio out	Four-pole headphone and microphone jack with DTS Headphone:X	4-pole headphone out (sound and mic), DTS Headphone:X
Design
Stand adjusts
Stand adjusts	Height, tilt, pivot	Height, tilt, swivel, pivot (better)
VESA mount
VESA mount	Yes	Yes
Weight with stand
Weight with stand	6.2 kg	9 kg
Height adjustment
Height adjustment	110 mm	–
Tilt
Tilt	-5° to +15°	–
Pivot
Pivot	90° clockwise	–
VESA pattern
VESA pattern	100 x 100 mm	100 × 100 mm
Size with stand
Size with stand	613.5 x 253.7 x 467.7–577.7 mm (W x D x H)	605.2 × 249.1 × 469.3–579.3 mm (W × D × H)
Size without stand
Size without stand	613.5 x 51.3 x 371.6 mm (W x D x H)	605.2 × 45.3 × 351.0 mm (W × D × H)
Weight without stand
Weight without stand	4.3 kg	4.8 kg
Controls
Controls	–	User-defined key; auto input switch; game features include Black Stabiliser, Dynamic Action Sync, Crosshair and FPS Counter; Hexagon Lighting RGB LEDs
Power and support
Power use
Power use	≤ 0.5 W sleep; ≤ 0.3 W off; LG Korea lists 31.8 W on mode, while LG Greece lists 50 W typical	Less than 0.5 W sleep, less than 0.3 W off
Power supply
Power supply	External adapter; 100–240V, 50/60Hz	External adapter, 100–240 V
Software
Software	LG Calibration Studio and OnScreen Control (LG Korea)	–
In the box
In the box	Adapter, power cable, DisplayPort cable, HDMI cable and USB A to B cable	HDMI 2.1 cable, DisplayPort cable, USB A-to-B cable