friends i thought of buying amd raedon 6670 gddr5 1gb,my motherboard is intel dg31pr ,i want to know wheather pci e2.1 x16 cards are supported in pci e 2.0x16 and also wheather gddr5 is supported or not .i also had a second thought of buying amd raedon 5670 gddr5 1gb(because both of them doesnt need 6 pin connector),you can also suggest cards which run on 450w 4pin or without 6pin
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yes, its supported and both gpu will work. the 6670 is about 10% faster than the 5670 so you'd have to look at the price.
I think those 2 cards are your best choices for what you can do without using a 6 pin.
can this cards run upcoming games at low or medium settings