AOC Agon AG405UXC Review (40in Ultrawide)

1. Introduction2. Design3. On-screen Display (OSD)4. Panel Analysis5. Response Times6. Display Latency7. Closing Thoughts8. View All Pages

We've reviewed plenty of ultrawide monitors over the years, but none quite like the AOC Agon AG405UXC. That's because this screen offers a 3440×1440 resolution over a 40in panel size, making it a good chunk bigger than the typical 34in ultrawides we are used to seeing. It's still sporting a 21:9 aspect ratio – so isn't on the same level as a 32:9 super-ultrawide – but at £530, you get a lot of screen for the money. Let's find out if it's any good.

Alongside its headline 40in screen size and 3440×1440 resolution, the AOC Agon AG405UXC is sporting a flat IPS panel with a claimed 1200:1 contrast ratio. It offers a 144Hz refresh rate, and a claimed 4ms GtG response time, alongside DisplayHDR 400 certification. Today we put it through its paces and find out what the AG405UXC has to offer at the £530 asking price.

Specification:

• SCREEN SIZE (INCH): 40
• SCREEN SIZE (CM): 100
• CURVATURE RADIUS: Flat
• DISPLAY HARDNESS: 3H
• PANEL TREATMENT: Antiglare (AG)
• PIXEL PITCH: 0.26925
• PIXELS PER INCH: 93.2
• PANEL RESOLUTION: 3440×1440
• RESOLUTION NAME: WQHD
• ASPECT RATIO: 21:9
• PANEL TYPE: IPS
• BACKLIGHT TYPE: WLED
• REFRESH RATE: 144 Hz
• RESPONSE TIME GTG: 4 ms
• RESPONSE TIME MPRT: 1 ms
• STATIC CONTRAST RATIO: 1200:1
• DYNAMIC CONTRAST RATIO: 80M:1
• VIEWING ANGLE (CR10): 178/178
• DISPLAY COLOURS: 16.7 Million
• SYNC TECHNOLOGY (VRR): Adaptive Sync
• HDR (HIGH DYNAMIC RANGE): Vesa Certified DisplayHDR™ 400
• MULTIVIEW (PBP, PIP): PbP, PiP
• KVM: 1x USB3.2 Gen 2 type C + 1x type B
• REMOVABLE STAND: ✓
• SPEAKERS: 5 W x 2
• VESA WALLMOUNT: 100×100
• TILT: -­3.5° ±1.5° ~ 21.5° ±1.5°
• HEIGHT ADJUST (MM): 150mm
• SWIVEL: ­-30° ±2° ~ 30° ±2°
• HDMI: HDMI 2.0 x 2
• DISPLAY PORT: DisplayPort 1.4 x 1
• USB-C CONNECTIVITY: USB-C 3.2 x 1 (DP alt mode, upstream, power delivery up to 90 W)
• USB HUB: USB 3.2 (Gen 1) (4 USB downstream ports) 5Gbit
• NET WEIGHT EXCL. PACKAGE (IN KG): 11.88
• PRODUCT WITHOUT STAND (KG): 9.53

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