SZQ you know I am selling, right? How to look unbiased? But my biased view is this: CPU don't worry so much, but memory worry please. Once Windows and Chrome operate, it will cross 4GB and start paging to SSD. It MUST page otherwise it will crash. When paging to SSD it will slow down and the SSD will wear out. And 128 isn't even cutting it for all but the most basic windows+office+data installation. Do your own subjective tests, benchmark means nothing.
So I echo your sentiments. It has a wrong memory choice, wrong SSD choice. Processor really bochup. m7 MIGHT throttle when going through extended high turbo use. m5 seems to be the best choice.
Huawei has the Wacom pen. It is really spectacular, I saw artist use it during one of the launches and she loved it, said that it was better than her CintiQ and I trust her because she made beautiful sketches.
For those hung up on m7, I learned - unless you have super heat dissipation, the m7 being enclosed without fan, it throttles. In today's world of fanless, there's no fan to turn up when CPU is climbing in temperature. It's powerful, sure, but when it crosses 45+ C (depends on manufacturer) it must slow down. There are some cases where an m3 outperforms m7 consistently in a lousy heat dissipation notebook. So, m5 is pretty good choice. And even on an m3, it's snappy, m5 and m7 faster but you won't see any difference between both.