Intel has offered a high-level overview of the architectural changes coming to Rocket Lake-S next year. Rocket Lake-S will be based on a Cypress Cove architecture, which is a combination of an Ice Lake CPU and an Xe iGPU. Rocket Lake-S will offer PCIe Gen4 support and offer enhanced overclocking and double-digit percentage IPC benefits over Comet Lake-S.
https://www.notebookcheck.net/8C-8T-Intel-Rocket-Lake-S-Cypress-Cove-is-based-on-Ice-Lake-CPU-and-Xe-GPU-promises-double-digit-percentage-IPC-improvements-over-Comet-Lake-S.500153.0.html