The AOC Q27G4ZR is a budget-friendly 1440p monitor with impressive 260Hz performance

The AOC Q27G4ZR is a highly capable budget gaming monitor that delivers a 1440p resolution and a 260Hz refresh rate for £179. Testing reveals that the monitor features an IPS panel with excellent factory calibration, including near-perfect color balance and gamma tracking. The display offers strong color gamut coverage, exceeding the sRGB space and providing 95.1% coverage of DCI-P3. While the monitor lacks USB ports, Type-C charging, and KVM functionality, its gaming performance is robust. The response times are impressive for the price point, particularly when using the "Faster" overdrive mode, which minimizes overshoot. Although the HDMI 2.0 ports are limited to 144Hz at 1440p, the DisplayPort 1.4 connection supports the full 260Hz refresh rate. The monitor also features official G-Sync Compatible certification, ensuring a smooth, flicker-free gaming experience. Despite some minor ergonomic and connectivity limitations, the Q27G4ZR offers exceptional value for gamers seeking high-refresh-rate performance on a budget.

Tech4K StaffVideo report

The AOC Q27G4ZR is a highly capable budget gaming monitor that delivers a 1440p resolution and a 260Hz refresh rate for £179. Testing reveals that the monitor features an IPS panel with excellent factory calibration, including near-perfect color balance and gamma tracking. The display offers strong color gamut coverage, exceeding the sRGB space and providing 95.1% coverage of DCI-P3. While the monitor lacks USB ports, Type-C charging, and KVM functionality, its gaming performance is robust. The response times are impressive for the price point, particularly when using the "Faster" overdrive mode, which minimizes overshoot. Although the HDMI 2.0 ports are limited to 144Hz at 1440p, the DisplayPort 1.4 connection supports the full 260Hz refresh rate. The monitor also features official G-Sync Compatible certification, ensuring a smooth, flicker-free gaming experience. Despite some minor ergonomic and connectivity limitations, the Q27G4ZR offers exceptional value for gamers seeking high-refresh-rate performance on a budget.

The AOC Q27G4ZR features a 27-inch IPS panel with 1440p resolution and a 260Hz refresh rate. Factory calibration is excellent, with a grayscale average Delta E 2000 of 1.11.

The monitor provides 95.1% coverage of the DCI-P3 color space and includes an sRGB emulation mode. Gaming performance is strong, with the "Faster" overdrive mode providing the best balance of response time and overshoot.

The monitor is officially certified as G-Sync Compatible, ensuring smooth performance without flickering. Connectivity is limited to one DisplayPort 1.4 and two HDMI 2.0 ports, with the latter capped at 144Hz.

Chapter guide

IntroductionOverview of the AOC Q27G4ZR monitor's price, specs, and market positioning.Design and ErgonomicsExamination of the monitor's physical design, stand adjustments, and connectivity options.OSD MenuReview of the on-screen display menu, settings, and button controls.Color and Grayscale TestingAnalysis of brightness, contrast, color gamut, and factory calibration performance.Response Times and Motion ClarityTesting of different overdrive modes and overall motion performance.G-Sync and Input LagVerification of G-Sync compatibility and measurement of total input lag.ConclusionFinal summary of the monitor's strengths, weaknesses, and value proposition.

Worth noting

  • The reviewer notes that the HDMI 2.0 ports are limited to 144Hz at 1440p, requiring DisplayPort 1.4 for the full 260Hz refresh rate.
  • The monitor lacks USB connectivity, Type-C charging, and KVM functionality.
  • The reviewer notes that the Philips Evnia 27M2N3501PA is a similar monitor currently priced lower, though this may be a temporary deal.

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