This should help you decide.......it includes both cards you mention click here
My money would go on the older ATI9800pro which is noticably faster in all the resolutions/quality settings that are usable on these two cards.
OnePlus 5T review: Hands-on
Illustrator Andrés Lozano on his improv line work, brazen use of colours & hand sketching
iPhone X review
Comment envoyer gratuitement des gros fichiers ?