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16x/4x crossfire board bad?

post #1 of 6
Thread Starter 
hey guys


im wondering,

is there a difference in performance

if i go for this asus 16x/4x MOBO?

i wanna crossfire my
HIS IceQ 5 HD5770
ZettaiKorosu
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ZettaiKorosu
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post #2 of 6
for 5770's you wont see but 1-3fps difference over a 16x/16x board.
Haf of an 2500K
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Haf of an 2500K
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post #3 of 6
Just not as optimal as 8x-8x, but HD 5770 it's not an issue. If you have a GTX 470 or so and are running high resolution... yes it's an issue.
post #4 of 6
Even a 4x-4x PCI configuration ( on very old boards) barely causes any bottleneck for 2 x 480GTX on a single display of 2560 x 1600 resolution.

So, for 5770 it won't be an issue !

http://www.hardocp.com/article/2010/08/25/gtx_480_sli_pcie_bandwidth_perf_x16x16_vs_x4x4/
post #5 of 6
how about 2x 5850 at 5760*1080 vs 8x/8x and 16x/16x
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post #6 of 6
op you have a 6950.. you cant xfire that with a 5770.
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