Those would be the HP EliteBook x360, which is brand new this month, and the Microsoft Surface Book i7 (aka the Surface Book with Performance Base), which has been on the market for just a few months.

HP Pavilion x360 14-ba078tx is a Windows 10 Home laptop with a 14.00-inch display that has a resolution of 1920x1080 pixels. It is powered by a Core i7 processor and it comes with 8GB of RAM. The HP ...

HP Envy x360 is a Windows 10 laptop with a 15.60-inch display that has a resolution of 1920x1080 pixels. It is powered by a Core i7 processor and it comes with 8GB of RAM. The HP Envy x360 packs 256GB ...