ASUS R9 280X DirectCU II TOP Overclocking Review
 

We take the new ASUS R9 280X DirectCU II TOP video card and find out how high it will overclock with GPU Tweak and voltage modification. We will compare performance to an overclocked GeForce GTX 770 and find out which card comes out on top when pushed to its overclocking limits.

http://www.hardocp.com/article/2013/...ocking_review/