MSI MPG 321URX QD-OLED vs MSI MPG 346CQRF X24

Every spec side by side, from each maker's published figures.

Only show differences

Better figure, where one is clearly better

Share comparison

MPG 321URX QD-OLED compared with MPG 346CQRF X24

	MSIMPG 321URX QD-OLED	MSIMPG 346CQRF X24
Overview
Released
Released	February 2024	May 2025
Display
Screen size
Screen size	31.5″	34″
Resolution
Resolution	3840 × 2160 (4K) (better)	3440 × 1440 (UWQHD)
Sharpness
Sharpness	140 pixels per inch (better)	110 pixels per inch
Panel
Panel	QD-OLED	VA
Refresh rate
Refresh rate	240 Hz	240 Hz
Response time (grey to grey)
Response time (grey to grey)	0.03 ms (better)	0.5 ms
Brightness (typical)
Brightness (typical)	250 nits	400 nits (better)
HDR peak brightness
HDR peak brightness	–	400 nits
HDR certification
HDR certification	DisplayHDR True Black 400	DisplayHDR 400
Contrast ratio
Contrast ratio	1,500,000:1	4,000:1
Colour range
Colour range	99% DCI-P3, 138% sRGB, 97% Adobe RGB	–
DCI-P3 coverage
DCI-P3 coverage	99%	–
Shape
Shape	Flat	Curved (1500R)
Adaptive sync
Adaptive sync	G-Sync Compatible	VESA AdaptiveSync
Colour depth
Colour depth	10-bit (1.07 billion colours)	10-bit (8-bit + FRC), 1.07 billion colours
sRGB coverage
sRGB coverage	138%	–
Adobe RGB coverage
Adobe RGB coverage	97%	–
HDR detail
HDR detail	VESA DisplayHDR True Black 400	DisplayHDR 400
Response time detail
Response time detail	–	0.5 ms grey-to-grey, 1 ms MPRT
Variable refresh range
Variable refresh range	48–240 Hz (G-Sync Compatible)	48–240 Hz (Adaptive-Sync)
Viewing angles
Viewing angles	178° horizontal, 178° vertical	178° / 178°
Pixel pitch
Pixel pitch	0.1814 x 0.1814 mm	0.23175 × 0.23175 mm
Burn-in protection
Burn-in protection	OLED Care 2.0; graphene film and custom heatsink (fanless)	–
Connections
Video inputs
Video inputs	2 × HDMI 2.1, DisplayPort 1.4a, USB-C	2 × HDMI 2.1, DisplayPort 1.4a, USB-C
USB-C charging
USB-C charging	Up to 90 W	Up to 98 W (better)
USB ports
USB ports	2 × USB-A	2 × USB-A
Speakers
Speakers	–	No
Ethernet
Ethernet	No	–
HDMI detail
HDMI detail	2 x HDMI 2.1, 3840 x 2160 at up to 240 Hz	2 × HDMI 2.1 (FRL 10G), HDCP 2.3
DisplayPort detail
DisplayPort detail	1 x DisplayPort 1.4a, 3840 x 2160 at up to 240 Hz	DisplayPort 1.4a, HDCP 2.3
USB-C detail
USB-C detail	1 x USB-C with DisplayPort Alt Mode (3840 x 2160 at up to 240 Hz) and 90 W Power Delivery	USB-C with DisplayPort Alt Mode and 98 W power delivery
USB hub detail
USB hub detail	2 x USB 2.0 Type-A, 1 x USB 2.0 Type-B upstream	2 × USB Type-A, 1 × USB-B upstream (USB 2.0)
Picture by picture
Picture by picture	Not supported	–
Audio out
Audio out	Headphone out	Headphone out
Design
Stand adjusts
Stand adjusts	Height, tilt, swivel	Height, tilt, swivel
VESA mount
VESA mount	Yes	Yes
Weight with stand
Weight with stand	9.6 kg	–
Height adjustment
Height adjustment	0–110 mm	110 mm
Tilt
Tilt	-5° to 15°	−5° to 15°
Swivel
Swivel	-30° to 30°	−30° to 30°
Pivot
Pivot	-10° to 10°	–
VESA pattern
VESA pattern	100 x 100 mm	100 × 100 mm
Size with stand
Size with stand	718 x 242 x 483 mm (W x D x H)	–
Size without stand
Size without stand	718 x 69 x 418 mm (W x D x H)	–
Weight without stand
Weight without stand	6.7 kg	–
Controls
Controls	5-way joystick	–
Power and support
Power use
Power use	–	0.5 W standby; 0.3 W off
Power supply
Power supply	Internal (power cable), 100–240 V, 50/60 Hz	Internal, 100–240 V
Warranty
Warranty	3 years, including panel burn-in	3 years
In the box
In the box	–	DisplayPort cable, HDMI cable, USB A-to-B cable, USB-C cable, power cord, quick guide