Geekerwan emulated the performance of the Switch 2 using an underclocked RTX 2050 laptop GPU. While not a one-to-one recreation, in synthetics, the laptop (using leaked docked specifications) showed similar performance to a GTX 1050 Ti, while the handheld-spec configuration matched a GTX 750 Ti, slightly inferior to the Steam Deck. We'll need to wait for the official embargo next month to get a better idea about the performance.
And this costs 450€? I bet they could sell it for 300€, but why not exploit the hype train of the switch users waiting 8 years in the same potato performance console.