AMD knocked it out of the park with its Ryzen series of mobile CPUs, but there's no question that its discrete mobile GPUs have been falling behind. The Radeon RX 7900M rights the ship by being just as powerful as the mobile RTX 4080 fur hundreds of dollars less.
These numbers are what i was expectingfrom the wall Witcher 3 power consumption
216 for 7900m309 for 4090 version
This is for about a 10% framerate difference. Though 1080p seems a bad way to compare these chips. Guessing this is other things like screen, cpu etc but still a huge difference for a chip which is suppose to be horrible with efficiency due to chiplets.