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AOC AGON PRO AG326UZD2 vs MSI MPG 321URX QD-OLED

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

Better figure, where one is clearly better

AOCAGON PRO AG326UZD2MSIMPG 321URX QD-OLED
Overview
ReleasedApril 2026February 2024
Display
Screen size31.5″31.5″
Resolution3840 × 2160 (4K)3840 × 2160 (4K)
Sharpness140 pixels per inch140 pixels per inch
PanelQD-OLED (4th-gen QD-OLED)QD-OLED
Refresh rate240 Hz240 Hz
Response time (grey to grey)0.03 ms0.03 ms
Brightness (typical)300 nits250 nits
HDR peak brightness1,000 nits–
HDR certificationDisplayHDR True Black 500DisplayHDR True Black 400
Contrast ratio1,500,000:11,500,000:1
Colour range99.7% DCI-P3, 81.6% BT.2020 (CIE 1976)99% DCI-P3, 138% sRGB, 97% Adobe RGB
DCI-P3 coverage99.7%99%
Screen finishGlossy–
ShapeFlatFlat
Adaptive syncVESA AdaptiveSync, G-Sync CompatibleG-Sync Compatible
Colour depth1.073B (10 bits)10-bit (1.07 billion colours)
sRGB coverage140.7% (CIE 1976)138%
Adobe RGB coverage96.9% (CIE 1976)97%
HDR detail515 nits at 10% APL, 1,000 nits at 3% APL; SDR 300 nits at 100% APLVESA DisplayHDR True Black 400
Variable refresh range–48–240 Hz (G-Sync Compatible)
Viewing angles178° / 178° (CR10)178° horizontal, 178° vertical
Pixel pitch–0.1814 x 0.1814 mm
Eye careFlicker Free, Anti Blue Light–
Burn-in protectionOLED Care (Pixel Orbiting, Pixel Refresh, Screen Saver, Logos Protection, Boundary Dimmer, Taskbar Dimmer, Thermal Protection); 3-year warranty covers burn-inOLED Care 2.0; graphene film and custom heatsink (fanless)
Connections
Video inputs2 × HDMI 2.1, DisplayPort 2.1 UHBR20, USB-C2 × HDMI 2.1, DisplayPort 1.4a, USB-C
USB-C chargingUp to 65 WUp to 90 W
USB ports2 × USB-A2 × USB-A
KVM switchYes–
EthernetNoNo
SpeakersYes–
HDMI detail2 × HDMI 2.1; 4K at 120 Hz on PS5 and Xbox Series X|S2 x HDMI 2.1, 3840 x 2160 at up to 240 Hz
DisplayPort detail1 × DP 2.1 (UHBR 20); 4K at 240 Hz1 x DisplayPort 1.4a, 3840 x 2160 at up to 240 Hz
USB-C detailDP Alt mode, data and video, 65 W power delivery1 x USB-C with DisplayPort Alt Mode (3840 x 2160 at up to 240 Hz) and 90 W Power Delivery
USB hub detailUSB 3.2 Gen 1; 2 × USB-A downstream (one fast charge), 1 × USB-B upstream2 x USB 2.0 Type-A, 1 x USB 2.0 Type-B upstream
Picture by picturePiP and PbPNot supported
Audio outHeadphone out (3.5 mm)Headphone out
Speaker detail8 W × 2–
Design
Stand adjustsHeight, tilt, swivel, pivotHeight, tilt, swivel
VESA mountYesYes
Weight with stand10.56 kg9.6 kg
Height adjustment150 mm0–110 mm
Tilt-5° (+3/-0) to +23° (-3/+0)-5° to 15°
Swivel-16° ±2° to 16° ±2°-30° to 30°
Pivot-91° ±1° to 91° ±1°-10° to 10°
VESA pattern100 × 100 mm100 x 100 mm
Size with stand717.3 × (485.9–635.9) × 316.8 mm (W × H × D)718 x 242 x 483 mm (W x D x H)
Size without stand717.3 × 420.8 × 87.2 mm (W × H × D)718 x 69 x 418 mm (W x D x H)
Weight without stand7.53 kg6.7 kg
Controls–5-way joystick
ColoursBlack–
Power and support
Power use123 W typical, 290 W max, 0.5 W standby, 0.3 W off–
Energy classF–
Power supplyInternalInternal (power cable), 100–240 V, 50/60 Hz
SoftwareG-Menu–
Warranty3 years, including OLED burn-in (UK)3 years, including panel burn-in
In the boxHDMI 2.1 cable (1.8 m), DP 2.1 cable (1.8 m), USB-B to A cable (1.8 m), USB-C to C Gen 2 cable (1.5 m), power cable–

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