Question i3 8100 problem

[darko.skulic]

hi guys i have just bought an i3 8100 8gb ram and b360mobo i also have an amd hd 6870. Is it beter if i use the integrated graphics or the hd 6870?

 

[darko.skulic]

also i have 30 fps in fortnite, with my old phenom iix4 955 and 4gb ram i had 60 whats happening?