LG UltraGear OLED GX7 (27GX790B) vs MSI MAG 272QP QD-OLED X50

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UltraGear OLED GX7 (27GX790B) compared with MAG 272QP QD-OLED X50

	LGUltraGear OLED GX7 (27GX790B)	MSIMAG 272QP QD-OLED X50
Overview
Released
Released	March 2026	August 2025
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 (4th Gen Primary RGB Tandem OLED; Dual mode: 720p at 720 Hz)	QD-OLED (3rd-gen QD-OLED)
Refresh rate
Refresh rate	540 Hz (better)	500 Hz
Response time (grey to grey)
Response time (grey to grey)	0.02 ms (better)	0.03 ms
Brightness (typical)
Brightness (typical)	335 nits (better)	300 nits
HDR peak brightness
HDR peak brightness	1,500 nits (better)	1,000 nits
HDR certification
HDR certification	DisplayHDR True Black 500	DisplayHDR True Black 500
Contrast ratio
Contrast ratio	–	1,500,000:1
Colour range
Colour range	99.5% DCI-P3	99% DCI-P3 (CIE 1976 overlap)
DCI-P3 coverage
DCI-P3 coverage	99.5% (better)	99%
Screen finish
Screen finish	Matte	–
Shape
Shape	Flat	Flat
Adaptive sync
Adaptive sync	–	G-Sync Compatible, FreeSync Premium Pro, HDMI VRR
Colour depth
Colour depth	1.07B colours	10-bit (1.07 billion colours)
sRGB coverage
sRGB coverage	–	100% (CIE 1976 overlap)
Adobe RGB coverage
Adobe RGB coverage	–	98% (CIE 1976 overlap)
Colour accuracy
Colour accuracy	–	Delta E ≤ 2
HDR detail
HDR detail	–	True Black 500 mode rated at 500 nits (10% APL); Peak 1000 mode at 1000 nits (3% APL); EOTF Boost mode
Variable refresh range
Variable refresh range	–	48–500 Hz
Viewing angles
Viewing angles	178° horizontal, 178° vertical (CR ≥ 10)	178° (H) / 178° (V)
Pixel pitch
Pixel pitch	0.2292 × 0.2292 mm	0.2292 × 0.2292 mm
Burn-in protection
Burn-in protection	–	MSI OLED Care 2.0
Eye care
Eye care	Reader Mode, Color Weakness mode	–
Calibration
Calibration	Factory calibrated; hardware calibration ready (LG Calibration Studio)	–
Connections
Video inputs
Video inputs	2 × HDMI 2.1, DisplayPort 2.1, USB-C	2 × HDMI 2.1, DisplayPort 1.4a (HBR3), USB-C
USB-C charging
USB-C charging	Up to 5 W	Up to 15 W (better)
KVM switch
KVM switch	–	No
USB ports
USB ports	2 × USB-A	–
Ethernet
Ethernet	No	No
Speakers
Speakers	–	No
HDMI detail
HDMI detail	–	2 × HDMI 2.1 (WQHD at 500 Hz), HDCP 2.3, HDMI CEC; Console Mode with 1080p and 1440p at up to 120 Hz and VRR on PS5 and Xbox
DisplayPort detail
DisplayPort detail	–	1 × DisplayPort 1.4a (HBR3), HDCP 2.3, WQHD at up to 500 Hz
USB-C detail
USB-C detail	–	1 × USB-C (DisplayPort Alt Mode) with 15 W Power Delivery, WQHD at up to 500 Hz
Picture by picture
Picture by picture	–	Supported
USB hub detail
USB hub detail	2 × USB 3.0 downstream, upstream via USB-C	–
Audio out
Audio out	4-pole headphone out (sound + mic)	1 × headphone out
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	6.8 kg	8 kg
Height adjustment
Height adjustment	–	110 mm
Tilt
Tilt	–	-5° to 20°
Swivel
Swivel	–	-30° to 30°
Pivot
Pivot	–	-90° to 90°
VESA pattern
VESA pattern	100 × 100 mm	100 × 100 mm
Size with stand
Size with stand	605.2 × 527.6 × 220 mm (raised), 605.2 × 397.6 × 220 mm (lowered)	610.31 × 241.9 × 532.03 mm (W × D × H)
Size without stand
Size without stand	605.2 × 351.0 × 51.2 mm	610.31 × 69.15 × 356.4 mm (W × D × H)
Weight without stand
Weight without stand	4.3 kg	5.3 kg
Controls
Controls	–	5-way Navi Key
Colours
Colours	–	Black
Power and support
Power use
Power use	Less than 0.5 W (sleep), less than 0.3 W (DC off)	25 kWh/1000 h; 0.5 W standby; 0.3 W off
Energy class
Energy class	–	F
Power supply
Power supply	External adapter, 100–240 V AC, 50/60 Hz	Internal power board, 100–240 V
Certifications
Certifications	–	VESA ClearMR 21000
Warranty
Warranty	–	3 years, including OLED burn-in
Software
Software	LG Calibration Studio (True Color Pro), Dual Controller	–
In the box
In the box	HDMI 2.1 and DisplayPort 2.1 cables	DisplayPort 1.4a cable, HDMI 2.1 cable, power cord (C13), quick guide, 4 VESA screws, cleaning cloth