09-16-2015, 03:03 AM
970 is faster than the 390, and roughly the same speed as the 390X.
If you plan to stack two cards then you absolutely do not want axial fans, so the ACX 2.0 is not the way to go, nor is the 390. You need a closed shroud with a centrifugal blower.
If you plan to stack two cards then you absolutely do not want axial fans, so the ACX 2.0 is not the way to go, nor is the 390. You need a closed shroud with a centrifugal blower.