Grayscale, color fidelity, saturation and gamut to factory settings
Whether the XG27AQ-W can now also shine like the PG279QM, we will find out in a moment. If you look at the technical data, it is impossible to predict. So let’s take a measurement.
Color space coverage
The interested customer gets sRGB and DCI-P3, which is easily enough for gaming. The XG27AQ-W doesn’t come close to the PG279QM, which isn’t a bad thing, otherwise the price would probably be far above what most can afford or want, ASUS-wise.
Gray Scale, Saturation, ColorChecker @ Default Setting
According to the enclosed protocol, the default mode (racing mode) should have a DeltaE < 1 in the ColorChecker regarding sRGB. However, since the panel is not clamped to the sRGB color space by default, the white point and the gamma curve do not match, this will not work. Something doesn’t fit here. I have communicated this to ASUS ROG Germany, they are checking the situation. Waiting is the order of the day for now. It is a fact that the colors are oversaturated in Racing mode, especially in everything that is in the sRGB color space. The color accuracy doesn’t really fit either. If you only gamble, you don’t care – just like me. Beautiful color brilliance is more important to me than color fidelity when gaming. Nevertheless, the measurement protocol is confusing and the end customer does not quite get what he paid for.
Gray Scale, Saturation, ColorChecker @ User Mode
It does not get better. Let’s see if the sRGB mode works.
Gamut, Gray Scale, Saturation, ColorChecker @ sRGB Mode
Saturation and ColorChecker are still ok, the deviations come from the wrong white point and the gamma curve. But I am used to better things from ASUS. To consume the general Internet content, that’s enough, but for real work? Difficult! On top of that, ASUS completely locks the user out in sRGB mode. There is no possibility to adjust the white point or gamma. You can’t even change the brightness. I find it really excessive that the user cannot even adjust the brightness. In my view, that is clearly going too far. I would like to see a firmware update that at least makes the brightness settings possible.
HDR mode
Yes, the XG27AQ-W is HDR-400 certified. It comes with the same edge-lit dimming as the PG279QM, which makes it an entry-level HDR monitor in my view in 2023, if ever. You have to be able to live with Halo and Bluming. You can’t adjust/configure the dimming of the XG27AQ-W either. In addition, there has been no reason for me to install an edge-lit panel since 2020. Here, I already expect manufacturers to use a FALD to keep up with LCD panels nor OLED. And Cooler Master shows us that this is possible at a price of about 700 Euros with the Tempest GP27Q.
At this point I repeat my statement about what is at least necessary for true HDR.
The three essential factors:
- Contrast (FALD or OLED)
- Brightness (>600 nits rather 1000 nits peak)
- Color volume (>95 percent P3; 10 bit color depth/ 8 bit + FRC)
From my point of view, the XG27AQ-W is not an HDR monitor. It doesn’t have to be, as it’s a very good SDR gaming monitor. There it can convince and as such ASUS would have to advertise and price it to the competition. The problem is that today every manufacturer advertises with HDR. This is the same as with the one millisecond response time. If this is not written on the packaging, the “ignorant” person is more likely to buy the product where HDR and a millisecond are written on the packaging. Sad but true. According to the motto, if HDR is on it, it will also be in it…
- 1 - Introduction, Features and Specs
- 2 - Workmanship and Details
- 3 - How we measure: Equipment and Methods
- 4 - Pixel Response Times
- 5 - Variable Overdrive and Blur Reduction
- 6 - Display Latencies
- 7 - Color-Performance @ Default Settings
- 8 - Direct Comparison
- 9 - Color-Performance calibrated
- 10 - Summary and Conclusion
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