>>714503323I mean, Switch 2 runs it better on 3-9W as proven by the video in OP. But, that video shows that the Switch version has less details in textures and models. Apparently a shorter render distance too? In a way it's not even comparing the same game. And even then, the Switch 2 would likely be more power efficient at that TDP.
Still, under maximum TDP Steam Deck does have it beat from what I can see. And the battery life at max TDP for both consoles is close enough apparently. Although the Steam Deck wouldn't need to even run max TDP to beat it since (according to old benchmarks) the SD doesn't gain almost any FPS when going from 11/12 to 15 W. So, to "match" performance you'd likely be able to use Steam Deck capped at 11W to gain more battery life.