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Should I CrossFire my XFX DD 6870?

post #1 of 4
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I already have 1 XFX DD 6870 and am looking to crossfire. Yes I know a more powerful single gpu is better than Crossfire but I can upgrade my PSU and get another card rather than buying say a 7950 which in my opinion isn't worth it? Budget is always the key and Im willing to spend some money but I'm also almost finished with completing my whole system including peripherals. I'm am currently running a 1090t at 3.8 with 8gb of 1600Mhz ram and 3000nb on a ud3 990 fx board. I dont believe adding another 6870 will be a bottle neck. I will upgrade processor in a year or so if the new amd am3+ chips seem hope full over current FX. Also I build a lot of systems form my family/friends ect.. so even if I upgrade the GPU beyond 6870 XFire later they will still be being used so I think its worth it. Let me know what y'all think
Megatron
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Megatron
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post #2 of 4
seems you have xFiring your 6780 made up in your mind.. you will get a nice little performance increase to.. go for it thumb.gif
Going to be chaep
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Going to be chaep
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post #3 of 4
hell yeah go for it you will not look back once you do it !.....
Likwid Dutch
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Likwid Dutch
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post #4 of 4
OP if you haven't yet purchased a HD 6870 definitely go for HD 7950 OC. HD 7000 series has superior DX11 architecture with improved tesselation and compute performance. HD 7950 overclocks well to 1.15 Ghz and is significantly better than HD 6870 CF at thos speeds. also a single GPU provides the most consistent experience avoiding multi gpu issues like micro stuttering.

http://www.techpowerup.com/reviews/Sapphire/HD_7950_Vapor-X/31.html
http://www.techpowerup.com/reviews/Powercolor/HD_7870_PCS_Plus_Vortex_II/8.html

BF3 1920 X 1200 4X AA

HD 6950 - 35.3
HD 7970 Ghz (1050 Mhz) - 72.3
HD 7950 (1135 Mhz) - 74.8

HD 6870 is slower than HD 6950. CF scaling in the best cases is 1.8x - 1.9x. so HD 7950 OC (1.1 Ghz) will be easily faster than HD 6870 CF . sell your HD 6870 for 100 bucks and go for a HD 7950 OC.
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Fragbox
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