Crossfire problem in amd r9 280x

Sn1992

Honorable
Jul 13, 2013
132
0
10,710
I crossfired my r9 280x vapor x with my new xfx black r9 280x but i dont get any fps gains more than 10 more than single card in battlefield 4
Tried dissabling ulps
I dont know how to resolve this issue



Complete specs


Processor - INTEL i7 4790k devils canyon(haswell refresh) @ 4.6ghz on 1.26v
Motherboard- ASUS REPUBLIC OF GAMERS MAXIMUS VII HERO
RAM- G.SKILL RIPJAWSX 2x4GB 2133mhz
Cooler- corsair h80i liquid cooler with noctua nt-h1
Graphic card- SAPPHIRE R9 280x VAPOX 3gb xfired with r9 280x black edition
PSU- COOLER MASTER silent pro M 850w
CABINET- corsair air 540 HIGH AIRFLOW (with 3x CM jetflows and 2x CORSAIR AF140)
Lighting- NZXT HUE RGB Controller
Fan controller- NZXT GRID fan controller
Harddisk- WD caviar green 500Gb
Ssd- 120gb 840 evo