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Uncalibrated – Maximum Backlight Level
The PG27AQWP-W is one of the brightest OLEDs I’ve reviewed to date, with over 544 nits available in SDR mode. This is with Uniform Brightness turned off and measuring a 25% window pattern. A full field is around 360 nits, still extremely bright. Black levels cannot be measured so contrast is theoretically infinite.
After Calibration to 200 nits
Calibration doesn’t affect black levels or contrast. I set brightness with Uniform Brightness off and on and was glad to see that the PG27AQWP-W locks in the values, so you don’t have to readjust the slider every time you switch. I typically use Uniform Brightness for work tasks and turn it off when watching video or playing games. In HDR mode, you’ll want it on for maximum impact. I could not measure the black squares in a checkerboard pattern, so ANSI contrast cannot be determined.
Test Takeaway: The PG27AQWP-W is exceptionally bright among OLEDs with SDR peaks over 544 nits. It stands out with its Uniform Brightness toggle, which isn’t included in every monitor. It renders the same deep contrast and true blacks as any OLED I’ve reviewed.
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