Microsoft has created a new ARM processor in collaboration with Qualcomm called the SQ1. The SQ1 is a redesigned Snapdragon 8cx with built-in LTE, 3 GHz max clock, a more powerful Adreno 685 GPU with 2.1 TFLOPS of performance, and 9 TFLOPS of AI performance. The features of the SQ1 processor will be exclusive to the Surface Pro X.
https://www.notebookcheck.net/The-Microsoft-SQ1-is-a-custom-version-of-the-Snapdragon-8cx-with-2x-more-GPU-performance-than-an-8th-gen-Intel-Core-CPU.436786.0.html