Windows 10 on ARM has been billed as providing the best of both worlds for those looking for the ultimate productivity ultraportables. Qualcomm Snapdragon 835-powered devices running the operating system have compatibility with legacy Windows apps, yet deliver epic battery life in the 20+ hour range.
However, given that emulation is involved

Source: Hot Hardware – This Microsoft Leak Exposes Limitations Of Windows 10 Experience On ARM Devices