The computer idles at 3.5 Watt. A 1440p video is played at 4.0-4.5 Watt at 0% internal screen brightness. The same video at 4k uses 4.5-5.0 Watt. And at 8k,

The computer idles at 3.5 Watt. A 1440p video is played at 4.0-4.5 Watt at 0% internal screen brightness. The same video at 4k uses 4.5-5.0 Watt. And at 8k, it's 15-17 Watt. The xkcd is apt, as usual. The last time I felt with Intel as I feel with Apple since the M1 was with Haswell.