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Uncalibrated – Maximum Backlight Level
The MO27Q28G’s Tandem OLED tech provides a little extra brightness putting it on top of this group by around 25 nits. This is with APL Stabilize set to High and measuring a 25% window pattern. The Asus and Aorus screens had their variable brightness options turned on as well. A full field with APL Stabilize on Low yielded just over 330 nits which is also brighter than the constant brightness screens in this bunch from ViewSonic, Alienware and AOC. Black levels and contrast could not be measured.
After Calibration to 200 nits
Calibration doesn’t alter the measurable dynamic range, which remains theoretically infinite. The MO27Q28G is a typical OLED in this regard. The ANSI test is also undetermined. Since the checkerboard pattern has a 50% APL, the variable brightness levels don’t affect the result. This is also typical OLED performance.
Test Takeaway: The MO27Q28G is a tad brighter than the competition, but its black levels and contrast are comparable to other OLEDs. Not all its competitors have variable brightness, so Gigabyte stands out there. And it’s one of the very few to offer two levels of adjustment. With a bit of extra punch from Tandem OLED tech, it delivers stellar SDR imagery.
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