I can’t speak for the 50 inch model, but the 60 inch supports HDR10 on ports 1 and 5. 5 is the low input lag gaming port. It supports 4k at 60hz rather than 120hz but show me anything running 4k at 120fps. I believe port 5 is 10ms, very good for gaming on a TV this size.
I can’t speak for the 50 inch model, but the 60 inch supports HDR10 on ports 1 and 5. 5 is the low input lag gaming…