Crissfire Hd 5870 2gb with 5870 1gb

[Slayer32163]

I currently have an Sapphire Tech hd 5870 GB eyefinity 6 edition, and i want to buy another hd 5870 but i don't want to spend more to get another 6 edition, can i crossfire a normal reference 5870 1GB version with the 2GB eyefinity 6 edition?

Amd Phenom II x4 955 @4.0ghz
Biostar TA890FXE
4GB DDR3 1600 Patriot g series Sector 5
Sapphire Tech HD 5870 2GB Eyefinity 6 Edition
Rosewill 750w Xtreme psu
Corsair V32 32GB SSD
Western Digital 1TB Black Edition

 

[Maziar]

Yes you can but both cards will run at 1GB(Only 1GB capacity of the 5870 2GB card will be used)

 

[megamanx00]

You can, but the 2GB card will only be able to use 1GB due to the nature of Crossfire. if you are using 6 monitors, this will probably be an issue for you. If you are only using 3 monitors, then you may be o.k for now but will probably suffer from not having the extra RAM latter on.