PCIe x4 vs PCIe x16 Graphic cards

Hello,
I have a small motherboard intel dh61ag with PCI express 2.0 x4 slot and I'm thinking about putting there ordinary discrete x16 graphic card. I know there will be flaw in performance, but do you think with more powerfull GPU will come more bottleneck performance, or will my final performance stop on some level?

I read somewhere, that this "bottleneck" performance are better handled by ATI GPUs.

Do you think that, with this card
http://www.msi.com/product/vga/R5770-Hawk.html
in PCI express 2.0 x4 slot can I run f.ex. farcry3, witcher2 on middle/high details?
Will it be faster/better compared to intel HD4000 in i7 processor?


Thank you for your help
3 answers Last reply
More about pcie pcie x16 graphic cards
  1. a powerful gpu will probably bottleneck on that. limited bandwidth
  2. Cons29 said:
    a powerful gpu will probably bottleneck on that. limited bandwidth


    Yes, but do you think that powerfull gpu in pci x4(only) will be better than built in intel hd4000?
  3. it is likely that getting a powerful gpu and bottleneck would be slower than a less powerful gpu and full motherboard support. so get a cheaper gpu and get a new motherboard
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