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LG UltraGear OLED 34GX900A vs MSI MPG 341CQR QD-OLED X36

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

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LGUltraGear OLED 34GX900AMSIMPG 341CQR QD-OLED X36
Overview
ReleasedSeptember 2025April 2026
Display
Screen size34″34″
Resolution3440 × 1440 (UWQHD)3440 × 1440 (UWQHD)
Sharpness110 pixels per inch110 pixels per inch
PanelOLED (LG Display WOLED with MLA+ (TFTCentral))QD-OLED (5th-gen QD-OLED Penta Tandem with DarkArmor film)
Refresh rate240 Hz360 Hz
Response time (grey to grey)0.03 ms0.03 ms
Brightness (typical)275 nits300 nits
HDR peak brightness1,300 nits1,300 nits
HDR certificationDisplayHDR True Black 400DisplayHDR True Black 500
HDR formatsHDR10–
Contrast ratio1,500,000:11,500,000:1
Colour range98.5% DCI-P3 (typical)99.3% DCI-P3 (CIE 1976 overlap)
DCI-P3 coverage98.5%99.3%
ShapeCurved (800R)Curved (1800R)
Adaptive syncFreeSync Premium Pro, G-Sync CompatibleG-Sync Compatible, FreeSync Premium Pro
Subpixel layout–RGB stripe
Colour depth1.07 billion colours10-bit (1.07 billion colours)
sRGB coverage–100% (CIE 1976 overlap)
Adobe RGB coverage–97.8% (CIE 1976 overlap)
Colour accuracy–Delta E ≤ 2
Colour modesReader Mode, Colour Weakness mode–
HDR detailHDR10; VESA DisplayHDR True Black 400; 1,300 nits peak (TFTCentral, from LG)Uniform Luminance HDR brightness curve customisation (14 points)
Variable refresh range–48–360 Hz
Viewing angles178° / 178°178° (H) / 178° (V)
Pixel pitch0.231 × 0.231 mm0.2315 × 0.2315 mm
Burn-in protection–MSI OLED Care 3.0 with AI Care Sensor
CalibrationFactory calibrated; hardware calibration ready (LG Calibration Studio)Colour report in the box
Connections
Video inputs2 × HDMI 2.1, DisplayPort 1.4, USB-C2 × HDMI 2.1, DisplayPort 2.1a UHBR13.5, USB-C
USB-C chargingUp to 65 WUp to 98 W
USB ports2 × USB-A2 × USB-A
KVM switch–Yes
Ethernet–No
SpeakersYesNo
HDMI detail2 × HDMI 2.1 (cable included)2 × HDMI 2.1 (UWQHD at 360 Hz), HDCP 2.3, HDMI CEC
DisplayPort detailDisplayPort 1.4 with DSC1 × DisplayPort 2.1a (UHBR13.5), HDCP 2.3, UWQHD at up to 360 Hz
USB-C detailUSB-C with DisplayPort Alt Mode and 65 W power delivery1 × USB-C (DisplayPort Alt Mode) with 98 W Power Delivery, UWQHD at up to 360 Hz
USB hub detail2 × USB 3.0 downstream2 × USB-A 5 Gbps (USB 3.2 Gen 1) downstream, 1 × USB-B upstream
Picture by picturePIP; 2-way PBPSupported
Audio out4-pole headphone out (sound and mic)1 × headphone out
Speaker detail2 × 7 W–
Design
Stand adjustsHeight, tilt, swivelHeight, tilt, swivel
VESA mountYesYes
Weight with stand10.4 kg7.77 kg
Height adjustment–110 mm
Tilt–-5° to 15°
Swivel–-30° to 30°
Pivot–-10° to 10°
VESA pattern100 × 100 mm100 × 100 mm
Size with stand784.1 × 291.8 × 470.4–580.4 mm (W × D × H)812.83 × 228.3 × 543.08 mm (W × D × H)
Size without stand784.1 × 167.1 × 358.3 mm (W × D × H)812.83 × 118.54 × 372.09 mm (W × D × H)
Weight without stand6.2 kg5.2 kg
ControlsUser-defined key; auto input switch; dual controller; game features include Black Stabiliser, Dynamic Action Sync, Crosshair and FPS Counter5-way joystick
Colours–Black
Power and support
Power useLess than 0.5 W sleep, less than 0.3 W off32 kWh/1000 h; 0.5 W standby; 0.3 W off
Energy class–F
Power supplyExternal adapter, 100–240 VInternal power board, 100–240 V
Software–MSI Gaming Intelligence
Certifications–VESA ClearMR 18000
Warranty–3 years, including OLED burn-in
In the boxHDMI 2.1 cable, USB-C cable, DisplayPort cableHDMI 2.1 cable, DisplayPort 2.1a cable, USB-A to USB-B cable, power cord (C13), quick guide, 4 VESA screws, cleaning cloth, colour report

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