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To read about our monitor tests in-depth, please check out Display Testing Explained: How We Test PC Monitors. We cover brightness and contrast testing on page two.
Uncalibrated – Maximum Backlight Level
It’s easy to spot which screens have variable brightness; it’s the top four with the X34 OLED delivering 407 nits to a 25% window pattern. It’s a tad behind the Corsair, Gigabyte, and Asus, but in practice, you won’t find it deficient. The Alienware and AOC have constant brightness only, so they top out at 259 and 236 nits, respectively. Black levels and contrast cannot be measured.
After Calibration to 200 nits
Calibration doesn’t change the static contrast results. I noted that switching between uniform and variable brightness necessitated a change in the brightness value. The X34 OLED doesn’t retain those settings, which is a tad annoying. It still looks incredible, though. The ANSI checkerboard pattern also has immeasurable blacks.
Test Takeaway: The X34 OLED has the same perfect blacks and infinite contrast as any other OLED display. It has a variable brightness option, which not every other product has. That delivers brighter peaks for SDR and HDR, perfect for video and gaming content.
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