Grayscale, color fidelity, saturation and gamut to factory settings
By now I have tested so many QD OLED monitors that you can almost predict the results. This was also the case with the AG326UD. AOC delivers the monitor out of the box with the OSD preset profile Gamer 1. It was already clear to me when I saw the Windows background image that something was wrong. But let’s take a look at the results first.
Color space coverage
Gray Scale, Saturation, ColorChecker @ Default Settings (10 % APL)
Gray Scale, Saturation, ColorChecker @ OSD sRGB Color Space (10 % APL)
Gray Scale, Saturation, ColorChecker @ OSD DCI-P3 Color Space (10 % APL)
Interim conclusion
Why the AOC AG326UD runs in Gamer 1 mode at the factory is probably only known to AOC itself. Ultimately, this decision is punished with the worst color accuracy values that I have ever measured on a QD OLED. In addition to the fact that the panel runs in wide gamut, the RGB balance and gamma are all over the place! I recommend the game settings: Off. Then it looks comparable to the other QD OLEDs. According to AOC, my test sample with an avg. DeltaE 0.15 in sRGB mode. See protocol:
I cannot confirm this, there is a world of difference between the protocol and my measurements. The panel has a slight red cast in sRGB mode, the RGB balance (including the white point) does not match what sRGB actually requires. In DCI-P3 mode, an attempt was made to set a gamma of 2.6, which didn’t really work either. Unfortunately, I can’t say which white point AOC wanted to hit here. I measured against the D65, but even a D63 wouldn’t really change the result much.
What bothers me the most is that AOC locks the color space presets for gamma and RGB balance. This means that the end customer can’t adjust anything here and has to make do with what AOC calls calibration. Those who are not necessarily dependent on a color accuracy < DeltaE 2 will be able to live with the sRGB mode. Nevertheless: In case of doubt, the AG326UD unfortunately cannot deliver what it promises!
- 1 - Introduction, Features and Specs
- 2 - Workmanship and Details
- 3 - How we measure: Equipment and Methods
- 4 - Pixel Response Times
- 5 - Display Latencies
- 6 - Color-Performance @ Default Settings
- 7 - Direct Comparison and Power Consumption
- 8 - Color-Performance calibrated
- 9 - HDR-Performance
- 10 - Summary and Conclusion
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