You can't go wrong with either.
Lenovo is built like a Mack truck, at least the business models.
The Yogas have been simply wonderful from the beginning; we have one of the early models.
Asus is the best bang for your money notebook, period.
I use my Asus Chromie more than anything; it replaced my beloved Ipad.
FYI, we have more than 30 notebooks in our home.
My wife is in charge of world wide computer operations at a multi-billion Silicon Valley corporation.
From high end Macs to Windows (including 2 Surfaces).
I use a Dell 7000, I7, 16 GB for SQL Server / Visual Studio development.
You might want to check out the Dell XPS machines; the infinity edge screen is awesome.
Sue built a 52 core Ubuntu server for stock analysis, if that helps...
It has an experimental, prototype Intel processor.