Displays

Gigabyte G34WQC 34” 144Hz Curved Gaming Monitor Review

THE LAST MILE FOR YOUR GAMING SYSTEM

HDR & Calibration

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Gigabyte’s G34WQC supports HDR and is stamped with the HDR400 certification. We’ll use Windows display settings to enable it. We’re greeted with a very washed out and heavily under saturated display.

Color Gamut

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We see a drop from around 100% coverage to ~74%, and error rates for white and grey almost leap off the chart.

Multi-point Grayscale

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In SDR, we had a DeltaE of 9.2, this climbs to 9.8 with HDR enabled, and we see red is even weaker as we get closer to white.

X-rite / Pantone ColorChecker Targets

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In SDR we had a DeltaE of 5.89. HDR mode just throws it off the chart for many of the test points and we end up with an average DeltaE of over 12, with a peak of over 22, ouch.

L*a*b Color Volume

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DCI-P3 color reproduction drops from around 82% to about 48%.

Perceptual Color Volume

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Perceptual color volume drops from almost 215 Million colors to about 118 Million colors.

Sequential Contrast

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While overall white luminance does go up slightly, overall contrast tanks from around 1400:1 to 900:1.

 

Hand Calibration

For whatever reason, enabling HDR on the G34WQC just tanks its performance, and subjectively, really makes it look terrible. Let’s give it a rough calibration with the on-screen-display and see where we end up back in SDR mode.

After some testing, we ended up with the following settings. You should get similar results with the same settings:

  • Gaming
    • Black Equalizer: 10
    • Overdrive: Balance
    • FreeSync Premium: ON
  • Picture
    • Custom 1
      • Brightness: 100
      • Contrast: 50
      • Color Vibrance: 10
      • Sharpness: 5
      • Gamma: 3
      • Color Temp:
        • R: 49
        • G: 44
        • B: 44

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Color reproduction gets quite a bit more accurate. Our DeltaE comes down to around 4 which is pretty decent.

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Our grayscale average DeltaE drops to a very good 2.6. our error rate is highest in the mid-luminance range rather than the peak brightness.

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Overall color reproduction climbs to almost 85% DCI-P3.

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Perceptual color volume climbs from around 118 MDC to almost 139 Million colors.

Full Calibration

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Before calibration, Gigabyte’s G34WQC does a fair job until you get near full white which is skewed heavily towards the cool end of the spectrum.

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After calibration, the G34WQC could pass as a professional monitor intended for color correct work. A greyscale DeltaE of 1.1 is just awesome and even the color DeltaE of 1.7 is quite impressive. Overall this gives an average DeltaE of 1.4, a very low, very accurate score.

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Here are the ColorChecker and Greyscale tests again, as you can see, they are quite accurate.

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Our overall perceptual color volume has gone up again to almost 233 Million colors, a very good result.

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