Intel Raptor Lake-S is to have power and performance improvements, as well as increased IPC and frequencies. The CPUs based on this architecture will also have a larger L2 Cache. Adored claims that Intel is now expected to increase the frequency by around 200 MHz with turbo frequencies reaching up to 5.5 GHz (Alder Lake-S unlocked SKUs are up to 5.3 GHz).
The successor to Alder Lake is also to see improved DDR5 memory support up to 5600 MT/s (6500 MT/s for LPDDR5 mobile memory). This is obviously referring to default memory support, which is 4800 MT/s for Alder Lake.