LG UltraGear 27GR83Q-B vs LG UltraGear OLED GX7 (27GX790A)

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UltraGear 27GR83Q-B compared with UltraGear OLED GX7 (27GX790A)

	LGUltraGear 27GR83Q-B	LGUltraGear OLED GX7 (27GX790A)
Overview
Released
Released	2023	November 2024
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 (WOLED with Micro Lens Array+ (MLA+))
Refresh rate
Refresh rate	240 Hz	480 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)	275 nits
HDR peak brightness
HDR peak brightness	–	1,300 nits
HDR certification
HDR certification	DisplayHDR 400	DisplayHDR True Black 400
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)	98.5% DCI-P3 (CIE 1976)
DCI-P3 coverage
DCI-P3 coverage	95%	98.5% (better)
Screen finish
Screen finish	–	Matte
Shape
Shape	Flat	Flat
Adaptive sync
Adaptive sync	G-Sync Compatible, FreeSync Premium	G-Sync Compatible, FreeSync Premium Pro
Colour depth
Colour depth	1.07 billion colours	10-bit (1.07 billion colours)
HDR detail
HDR detail	–	HDR10; 1,300 nits peak (APL 1.5%), 275 nits at APL 100%
Colour modes
Colour modes	Reader Mode and colour weakness mode	–
Response time detail
Response time detail	1ms grey to grey in Faster mode	–
Viewing angles
Viewing angles	178° horizontal and vertical, CR ≥ 10	178° horizontal, 178° vertical (CR ≥ 10)
Pixel pitch
Pixel pitch	0.2331 x 0.2331 mm	0.2292 x 0.2292 mm
Eye care
Eye care	Flicker Safe and Reader Mode	Reader Mode, Color Weakness mode
Calibration
Calibration	Factory calibration and hardware calibration support	Factory calibrated (Delta E ≤ 2, paper report included); hardware calibration ready (LG Calibration Studio)
Connections
Video inputs
Video inputs	2 × HDMI 2.1, DisplayPort 1.4	2 × HDMI 2.1, DisplayPort 2.1
USB-C charging
USB-C charging	None	None
USB ports
USB ports	2 × USB-A	2 × USB-A
Ethernet
Ethernet	–	No
Speakers
Speakers	No	No
HDMI detail
HDMI detail	2 x HDMI 2.1; 2560 x 1440 at 240Hz	–
DisplayPort detail
DisplayPort detail	1 x DisplayPort 1.4; 2560 x 1440 at 240Hz	1 x DisplayPort 2.1 with DSC
USB hub detail
USB hub detail	USB 3.0; one upstream and two downstream ports	2 x USB 3.0 downstream, 1 x USB 3.0 upstream (USB-B)
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 + 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	9.3 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 x 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 x 579.3 x 249.1 mm (raised), 605.2 x 469.3 x 249.1 mm (lowered) (W x H x D)
Size without stand
Size without stand	613.5 x 51.3 x 371.6 mm (W x D x H)	605.2 x 351.0 x 45.3 mm (W x H x D)
Weight without stand
Weight without stand	4.3 kg	5.1 kg
Controls
Controls	–	User Defined Key, Dual Controller software
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 (DC off)
Power supply
Power supply	External adapter; 100–240V, 50/60Hz	External adapter, 100–240 V AC, 50/60 Hz; 19 V 7.37 A
Software
Software	LG Calibration Studio and OnScreen Control (LG Korea)	LG Calibration Studio (True Color Pro), Dual Controller
In the box
In the box	Adapter, power cable, DisplayPort cable, HDMI cable and USB A to B cable	Stand body and base, power adapter and cord, HDMI 2.1 cable (1.8 m), DisplayPort 2.1 cable, USB-A to B cable, calibration report