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iiyama GCB3480WQSU Review (180Hz Ultrawide)

Rating: 7.0.

Ultrawide gaming monitors continue to increase in popularity, and thankfully they are also getting more and more affordable. The iiyama GB3480WQSU offers a standard 3440×1440 VA panel with 1500R curvature, up to 180Hz refresh rate via overclocking, alongside adaptive sync and a claimed 4000:1 contrast ratio… all for £340. We put it through our full suite of tests to find out if it is worth buying.

It's been a while since I last looked at an iiyama monitor, especially an ultrawide – we'd have to go back to the GB3466WQSU which was a fantastic value option a few years ago. The GCB3480WQSU certainly looks like an upgrade on paper, promising higher contrast and – crucially for gamers – increased refresh rate and faster response times. We know cheaper VA panels can sometimes struggle with dark-level smearing, so let's see what this screen can do.

Specification:

  • Diagonal: 34″, 86.4cm
  • Panel: VA LED, matte finish
  • Curved: 1500R
  • Native resolution: 3440 x 1440 @180Hz (4.9 megapixel UWQHD, DisplayPort)
  • Aspect ratio: 21:9
  • Panel brightness: 420 cd/m²
  • Static contrast: 4000:1
  • Response time (MPRT): 0.4ms
  • Viewing zone: horizontal/vertical: 178°/178°, right/left: 89°/89°, up/down: 89°/89°
  • Horizontal Sync:48 – 180kHz
  • Viewable area W x H: 797.2 x 333.7mm, 31.4 x 13.1″
  • Pixel pitch: 0.232mm
  • Colour: matte, black
  • Signal input: HDMI x2 (max. 3440 x 1440 @100Hz)
  • DisplayPort: x2 (max. 3440 x 1440 @180Hz)
  • USB HUB: x2 (v.3.2 (Gen 1, 5Gbit; DC5V, 900mA))
  • HDCP: yes
  • Headphone connector: yes
  • Blue light reducer: yes
  • Flicker free: yes
  • Adaptive Sync support; FreeSync Premium Pro – HDMI: 3440 x 1440 @48-100Hz, DP: 3440 x 1440 @48-180Hz
  • HDR: HDR400
  • Display position adjustments: height, tilt
  • Height adjustment: 110mm
  • Tilt angle: 20° up; 5° down
  • VESA mounting: 100 x 100mm

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