Grayscale, color fidelity, saturation and gamut to factory settings
In addition to fast response times and latencies, the topic of color space coverage and color accuracy is becoming increasingly important. ASUS always delivers good results here – exceptions prove the rule (see PG32UCDM). It should also be noted here that ASUS only just misses the target (DeltaE < 2). I don’t think I’ve ever had a really badly calibrated ASUS monitor (DeltaE > 3) in my test. Let’s see what the XG27AQDMG delivers here.
Color space coverage
You get typical LG WOLED here. Fits the sRGB and P3 color spaces. So everything should be there for home use. The only question that remains is, how well has ASUS calibrated here?
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)
Gray Scale, Saturation, ColorChecker @ OSD sRGB Cal. Mode (10 % APL)
Interim Conclusion
Let’s state the obvious first: ASUS advertises the XG27AQDMG with a color accuracy DeltaE < 2. I can’t confirm this, because not a single mode reaches or falls below this value. The reasons are obvious. Firstly, there is the significant gamma deviation, which is 2.4 here, and secondly, the RGB balance scatters. In factory settings (out of the box), the XG27AQDMG does not cut a good figure. Why? I measure every monitor against sRGB (this is the standard) and since almost all monitors are delivered without sRGB color space limitation, most of them perform poorly here. The XG27AQDMG is no exception.
Nevertheless, the values achieved (depending on the mode) are still suitable for everyday use. With an average in the ColorChecker and Saturation below DeltaE 2.5, you can’t really call it a factory calibration, but it should still be usable for the general public. If you want to enjoy sRGB content, the XG27AQDMG delivers a minimum level of color accuracy. Always bear in mind that the human eye only perceives a color difference from a DeltaE > 3.
- 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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