Microsoft is apparently trying its best to convince the makers of Tegra and Exynos SoCs to invest in Windows ARM. So far, only Qualcomm has heeded the call.
https://www.notebookcheck.net/Qualcomm-may-not-have-been-Microsoft-s-only-choice-for-Windows-ARM.268320.0.html
I hope nVidia jumps in on it. Currently, I fail to see what (for example) a $599 Asus NovaGo has to offer over pretty much anything else in the Ultraportable <$600 range other than alleged battery life.
LTE.