HDR performance
The PG27AQDP offers you three different options for enjoying HDR. The typical True Black 400 mode, which reaches its maximum peak brightness at approx. 450 nits. There is also another mode, e.g. Gaming HDR with deactivated “adjustable brightness” (brightness 90), which offers up to 750 nits. If you set the brightness manually to 100, you get up to 1300 nits. At least that’s how it’s advertised. Spoiler alert: Unfortunately, I was only able to measure a maximum of 1150 nits. Whether you use an NVIDIA or an AMD GPU doesn’t matter here – at least that’s the case.
HDR True Black 400
Gaming HDR Low 750 Nits
Gaming HDR high 1150 Nits
Interim conclusion HDR
In my sample, the EOTF tracking does not fit in any mode, either the panel is too bright at the bottom or the roll-off comes too early. This also varies depending on the APL (Average Picture Level), which ultimately damages the color accuracy, as you can see with ColorMatch HDR. ASUS can certainly provide a firmware update to improve this.
The bottom line is that this only hurts the PG27AQDP in the B grade. Generally speaking, it doesn’t change the monitor’s outstanding HDR capability. This is always given thanks to the contrast and the individual controllability of each pixel. Incidentally, this applies to all OLED monitors – not just the PG27AQDP. In particular, the general HDR brightness here is significantly better than that of QD OLED monitors. On the other hand, the QD OLEDs have better color brightness and slightly more color volume. There’s always something.
I wasn’t able to measure the maximum peak brightness of 1300 nits (synthetic), but I assume that this can be achieved in real-world scenes. I like the fact that the monitor uses the RGB settings in the OSD, which I set manually, even in HDR. I’ve never seen this on a monitor before, ASUS always manages to surprise me.
- 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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