Help With screen setup

[TEZDOG4]

Hi upgraded my Gpu from agx 760 to a 1080p with the 760 i had my screen at 1080p and made the icons large what will be best screen resolution i am on a 4k tv in display says 3840x2160 recommended very small will changing it to 1080p be fine also EVGA Precision XOC or afterburner any help be great many thanks