The next gen 10 nm mobile CPU runs at 3.5 GHz and 0.5 V, with an outstanding energy efficiency of 0.25 mW/MHz. Additionally, Intel and ARM will update the existing Cortex A55 to Intel's 22 nm manufacturing process, which will enable it to run at 2.35 GHz and 0.4 V.
https://www.notebookcheck.net/Intel-and-ARM-collabiorating-on-next-gen-3-5-GHz-10-nm-Cortex-A-mobile-processor.261548.0.html