Microsoft looks set to bring a WoA Surface to market powered by Qualcomm's specialized Snapdraon 8cx SoC. The device is said be going by the codename Excalibur internally and could feature on a version of the Surface Pro 7.
https://www.notebookcheck.net/Microsoft-prepping-Snapdragon-8cx-powered-WoA-Surface.426437.0.html