So i have had this Gigabyte radeon hd7850 windforce 2gb for a while now and im thinking of upgrading. But im unsure if i should buy an Asus radeon hd7970 Dcii top 3gb, and replace the gigabyte GPU or if i should buy another Gigabyte GPU and crossfire them. What give best performance. Oh, and its for gaming(Ofcourse).
Specs:
CPU:Intel core i5 3570K 3,4 ghz
CPU cooler: Cooler master hyper 212 evo
Motherboard:Asus p8 z77-v le plus
SSD:Intel SSD 60gb (For OS)
HDD:Seagate baracuda 2 terrabyte harddisc
RAM:Corsair 16gb xms3 1600mhz 2x8
Power supply:Corsair tx 750W m
Case:NZXT phantom 410
OS:Windows 7 Ultimate 64-bit