Radeon r9 290 low performance

standardhlozek

Honorable
Feb 7, 2014
49
0
10,530
Hi. My r9 290 gives me only 35 - 39 fps on Extreme HD in Unigine Valley. I thing it is very poor performance and I dont know what or where is the problem.

OS: Windows 8.1 64
CPU: I7 4770k @4.2GHz
GPU R9 290 non stock ( prolimatech mk26 )
MB: Asus Maximus VI Formula
RAM: 2x 4GHz 2133MHz
PSU: Corsair CS750M