Iris Graphics

Office IT asked me to pick one of these - Lenovo ThinkBook 14 G2 Intel Lenovo ThinkBook 14 G3 AMD Ryzen 7 I usually use MS office and browsing and other basic applications. Eye friendly graphics is my priority. I use two 27 inch QHD monitor. AMD one does not have thunderbolt. However, which one...

My problem is as stated in the title. It's basically the same problem as http://www.tomshardware.com/answers/id-3178394/screen-purple-ghosting-fading-laptop.html. My problem is that I have Iris graphics, so I don't know if there's supposed to be a ribbon cable or not to attempt to disconnect...