LG UltraGear OLED 27GX700A vs LG UltraGear OLED GX7 (27GX790B)

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UltraGear OLED 27GX700A compared with UltraGear OLED GX7 (27GX790B)

	LGUltraGear OLED 27GX700A	LGUltraGear OLED GX7 (27GX790B)
Overview
Released
Released	August 2025	March 2026
Display
Screen size
Screen size	26.5″	26.5″
Resolution
Resolution	2560 × 1440 (QHD)	2560 × 1440 (QHD)
Sharpness
Sharpness	111 pixels per inch	111 pixels per inch
Panel
Panel	OLED (LG Display fourth-generation Primary RGB Tandem WOLED)	OLED (4th Gen Primary RGB Tandem OLED; Dual mode: 720p at 720 Hz)
Refresh rate
Refresh rate	280 Hz	540 Hz (better)
Response time (grey to grey)
Response time (grey to grey)	0.03 ms	0.02 ms (better)
Brightness (typical)
Brightness (typical)	335 nits	335 nits
HDR peak brightness
HDR peak brightness	1,500 nits	1,500 nits
HDR certification
HDR certification	DisplayHDR True Black 500	DisplayHDR True Black 500
HDR formats
HDR formats	HDR10	–
Contrast ratio
Contrast ratio	1,500,000:1	–
Colour range
Colour range	99.5% DCI-P3 (typical)	99.5% DCI-P3
DCI-P3 coverage
DCI-P3 coverage	99.5%	99.5%
Screen finish
Screen finish	–	Matte
Shape
Shape	Flat	Flat
Adaptive sync
Adaptive sync	FreeSync Premium Pro, G-Sync Compatible	–
Colour depth
Colour depth	1.07 billion colours	1.07B colours
Colour modes
Colour modes	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)	–
Viewing angles
Viewing angles	178° / 178°	178° horizontal, 178° vertical (CR ≥ 10)
Pixel pitch
Pixel pitch	0.2292 × 0.2292 mm	0.2292 × 0.2292 mm
Eye care
Eye care	–	Reader Mode, Color Weakness mode
Calibration
Calibration	Factory calibrated; hardware calibration ready (LG Calibration Studio)	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 2.1, USB-C
USB-C charging
USB-C charging	None	Up to 5 W (better)
USB ports
USB ports	USB-A	2 × USB-A
Ethernet
Ethernet	–	No
Speakers
Speakers	No	–
HDMI detail
HDMI detail	2 × HDMI 2.1 (cable included)	–
DisplayPort detail
DisplayPort detail	DisplayPort 1.4	–
USB hub detail
USB hub detail	1 × USB 3.0 upstream (USB-B), 1 × USB 3.0 downstream	2 × USB 3.0 downstream, upstream via USB-C
Audio out
Audio out	4-pole headphone out (sound and mic), DTS Headphone:X	4-pole headphone out (sound + mic)
Design
Stand adjusts
Stand adjusts	Height, tilt, swivel, pivot	Height, tilt, swivel, pivot
VESA mount
VESA mount	Yes	Yes
Weight with stand
Weight with stand	9 kg	6.8 kg
VESA pattern
VESA pattern	100 × 100 mm	100 × 100 mm
Size with stand
Size with stand	605.2 × 249.1 × 469.3–579.3 mm (W × D × H)	605.2 × 527.6 × 220 mm (raised), 605.2 × 397.6 × 220 mm (lowered)
Size without stand
Size without stand	605.2 × 45.3 × 351.0 mm (W × D × H)	605.2 × 351.0 × 51.2 mm
Weight without stand
Weight without stand	4.8 kg	4.3 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	Less than 0.5 W sleep, less than 0.3 W off	Less than 0.5 W (sleep), less than 0.3 W (DC off)
Power supply
Power supply	External adapter, 100–240 V	External adapter, 100–240 V AC, 50/60 Hz
Software
Software	–	LG Calibration Studio (True Color Pro), Dual Controller
In the box
In the box	HDMI 2.1 cable, DisplayPort cable, USB A-to-B cable	HDMI 2.1 and DisplayPort 2.1 cables