Dunno, I don’t care about ProMotion (I’ve got it and I don’t see it), but sleep and battery life are very important to me.
Are you sure you've actually used the higher refresh rate? It might not be enabled by default. I'd be surprised if you can't tell the difference comparing 60hz to 120hz back to back.
Are you sure you've actually used the higher refresh rate? It might not be enabled by default. I'd be surprised if you can't tell the difference comparing 60hz to 120hz back to back.