Black eEqualizer is the usual suspect when your gamma curve looks distorted in dark scenes, and it’s almost never actually a gamma problem at its core. The feature applies a localized brightness lift to shadow regions, which effectively warps the lower half of your transfer function and shifts where gamma 2.2 vs 2.4 actually lands. If you’re chasing consistent target luminance for competitive play, disable black eEqualizer and any local dimming / HDR tone mapping first, then measure with an i1Display or SpyderX rather than trusting the on-screen menu values—Samsung’s factory gamma is frequently off by 0.2 or more in the midtones. I’ve seen panels read gamma 2.0 in the 25-50% range right out of the box, which looks fine in desktop use but destroys your shadow contrast judgment in tactical shooters.
For a reliable calibration workflow: lock the panel to its native refresh, force the GPU output to 8-bit (10-bit just spreads error across more codes and masks underlying banding), and let the display warm up 30 minutes before measuring. Set gamma to 2.2 as the competitive standard unless you’re calibrating for a dim room where 2.4 matches ambient light better, then verify the curve with a calibration tool’s actual measurement rather than eyeballing test patterns.
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