Sub $900 2 in 1 8550 or better?

I need the help of my geeky nerd friends. Which would you pick and why?

https://www.bhphotovideo.com/c/product/1365035-REG/lenovo_81ca000fus_15_6_fhd_touch.html

https://m.ebay.com/itm/New-HP-ENVY-15-6-i7-8550U-4-0GHz-8GB-256SSD-2-in-1-FHD-IPS-Touch-Windows-10-/292341544188?_mwBanner=1

Anonymous2017-12-19T00:53:39Z

the first one. i dont trust ebay. and the second on with the processors labeled as 4.0ghz i dont belive that.