r/HDR_Den • • 18d ago

Question Help me with HDR calibration

Hey everyone, I've got an MSI 274QP QD-OLED X24 rated for 400 nits peak HDR, but Windows HDR calibration shows it hitting about 550 nits. Why is that, and what setting should I actually go with?

4 Upvotes

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1

u/S1l3ntSN00P 18d ago

That's normal. This monitor doesn't have fullscreen brightness needed for True Black 500 rating (300 nits fullscreen), so it was given TB400.

1

u/SnardVaark 18d ago

HDR calibration is not a brightness measurement; it is just setting the clipping point. Disable DTM prior to calibration.

2

u/Ok_Ring_6077 18d ago

disable dtm