AMD Radeon R9 270X and R9 270 Video Card Review
 

We take a look at AMD's mid-range R9 270X and R9 270 with an MSI R9 270X GAMING and SAPPHIRE R9 270 Dual-X. We will make comparisons to NVIDIA's GeForce GTX 760 using a retail card which is within this range of AMD's GPUs. We will overclock all three video cards and put these head-to-head for the ultimate mid-range performance comparison.

http://www.hardocp.com/article/2014/...o_card_review/