LG UltraGear OLED 45GX950A vs Samsung Odyssey G9 (G91F)

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UltraGear OLED 45GX950A compared with Odyssey G9 (G91F)

	LGUltraGear OLED 45GX950A	SamsungOdyssey G9 (G91F)
Overview
Released
Released	April 2025	April 2025
Display
Screen size
Screen size	44.5″	49″
Resolution
Resolution	5120 × 2160 (5K2K) (better)	5120 × 1440 (DQHD)
Sharpness
Sharpness	125 pixels per inch (better)	109 pixels per inch
Panel
Panel	OLED (LG Display WOLED with RGWB subpixels; dual mode 2560 × 1080 at 330 Hz (TFTCentral, from LG))	VA
Refresh rate
Refresh rate	165 Hz (better)	144 Hz
Response time (grey to grey)
Response time (grey to grey)	0.03 ms (better)	1 ms
Brightness (typical)
Brightness (typical)	275 nits	350 nits (better)
HDR certification
HDR certification	DisplayHDR True Black 400	DisplayHDR 600
HDR formats
HDR formats	HDR10	VESA DisplayHDR 600, HDR10+ Gaming
Contrast ratio
Contrast ratio	1,500,000:1	2,500:1
Colour range
Colour range	98.5% DCI-P3 (typical)	92% DCI-P3 (CIE 1976)
DCI-P3 coverage
DCI-P3 coverage	98.5% (better)	92%
Screen finish
Screen finish	–	Matte
Shape
Shape	Curved (800R)	Curved (1000R)
Adaptive sync
Adaptive sync	FreeSync Premium Pro, G-Sync Compatible	FreeSync Premium Pro
Subpixel layout
Subpixel layout	RGWB (TFTCentral)	–
Colour depth
Colour depth	10-bit, 1.07 billion colours	Max 1.07B colours
Colour modes
Colour modes	Reader Mode, Colour Weakness mode; HDR Effect	–
HDR detail
HDR detail	HDR10; VESA DisplayHDR True Black 400	–
Viewing angles
Viewing angles	178° / 178°	178° / 178°
Eye care
Eye care	–	Eye Saver Mode, Flicker Free
Pixel pitch
Pixel pitch	0.2035 × 0.2035 mm	–
Calibration
Calibration	Factory calibrated; hardware calibration ready (LG Calibration Studio)	Factory tuning with factory calibration report
Connections
Video inputs
Video inputs	2 × HDMI 2.1, DisplayPort 2.1, USB-C	2 × HDMI 2.1, DisplayPort 1.4
USB-C charging
USB-C charging	Up to 90 W (better)	None
USB ports
USB ports	2 × USB-A	2 × USB-A
Speakers
Speakers	Yes	No
HDMI detail
HDMI detail	2 × HDMI 2.1 (1.8 m cable included)	2 × HDMI 2.1, HDCP 2.2
DisplayPort detail
DisplayPort detail	DisplayPort 2.1 with DSC (cable included)	1 × DisplayPort 1.4, HDCP 2.2
USB-C detail
USB-C detail	USB-C with video up to 5120 × 2160 at 165 Hz, data and 90 W power delivery; also the USB upstream port	–
USB hub detail
USB hub detail	2 × USB 3.0 downstream	2 × USB-A 3.2 Gen 1 downstream, 1 × USB-B upstream
Picture by picture
Picture by picture	PIP; 2-way PBP	Picture-in-Picture and Picture-by-Picture
Audio out
Audio out	4-pole headphone out (sound and mic), DTS Headphone:X	Headphone jack
Speaker detail
Speaker detail	2 × 10 W, Rich Bass	–
Design
Stand adjusts
Stand adjusts	Height, tilt, swivel	Height, tilt, swivel
VESA mount
VESA mount	Yes	Yes
Weight with stand
Weight with stand	14 kg	15.6 kg
Height adjustment
Height adjustment	–	120 mm (±5 mm)
Tilt
Tilt	–	-2° to 11° (±2°)
Swivel
Swivel	–	-15° to 15° (±3°)
VESA pattern
VESA pattern	100 × 100 mm	100 × 100 mm
Size with stand
Size with stand	991.6 × 342 × 545.6–665.6 mm (W × D × H)	1147.6 × 568.4 × 420.5 mm
Size without stand
Size without stand	991.6 × 225.5 × 460.7 mm (W × D × H)	1147.6 × 363.5 × 293.8 mm
Weight without stand
Weight without stand	9.4 kg	10.6 kg
Colours
Colours	–	Black
Controls
Controls	4-way joystick; user-defined key; auto input switch; dual controller; Unity Hexagon Lighting	–
Power and support
Power use
Power use	Less than 0.5 W sleep, less than 0.3 W off	45 W typical, 180 W max, 0.5 W standby, 0.3 W off
Energy class
Energy class	–	G
Power supply
Power supply	External adapter, 20 V / 18 A output, 100–240 V input	Internal, AC 100–240 V
Software
Software	–	Super Arena Gaming UX, Black Equalizer, Virtual AIM Point, Adaptive Picture, Auto Source Switch+, Off Timer Plus
Certifications
Certifications	–	Windows 11
In the box
In the box	HDMI 2.1 cable, DisplayPort 2.1 cable, USB-C cable, power adapter and cord, mouse holder	DisplayPort cable, power cable (1.5 m)