Ryzen 6000 should have the upper hand in iGPU across the board. Rembrandt-U with 8 cores may beat Alder Lake 2+8 in multi-threaded, but probably not single-threaded and gaming. Alder Lake 6+8 with a discrete GPU should smash up Rembrandt-H.
When AMD's midrange Ryzen 5 can handily outperform Intel's fastest Core i7 U-series lineup in the most important multi-thread workloads, then it becomes that much easier to recommend AMD over Intel in the budget to midrange laptop tiers.