Will pci express x16 graphic card work with express 2.0 motherboards?

Will pci express x16 graphic card work with express 2.0 motherboards

my last graphic card was burned - amd radeon 6670 HD
and the new card that i want to buy is SAPPHIRE HD 7790 1GB GDDR5

plz answer thankss
8 answers Last reply Best Answer
More about pci express x16 graphic card work express motherboards
  1. yes. pci ex is backwards compatible and the performance difference is negligible
  2. yep, PCI-E X16 2.0/3.0 run at the exact same speed (X16), no performance difference at all. Just 3.0 has added BIOS features, which is no big deal.

    It'll be 100% fine, no issue.
  3. Best answer
    Yes performance difference is close to negligible.
    Theoretically even graphics cards of today struggle with completely saturating a 8x slot for graphics card.
    You can even run your card on 4X slot , performance loss will be arnd 10%.
    PCIe 3.0 8X = PCIe 2.0 16X , this is what i have heard at least.
  4. you know X8 and X16 is almost no different in performance wise, just for info;
  5. Hi shaleve543211
    If you are meaning will a pcie 3.0 card work with a pcie 2.0 slot in your motherboard
    the answer is yes
    and as Laviniuc said it will you will not notice much difference even if the pcie 3.0 card was in a pcie 2.0 slot instead of a pcie 3.0 slot
  6. you will notice no difference, if it is X16 2.0, looking at less than 0.5FPS, that can't even count.
  7. thanks guys its really help me
  8. you are most welcome , hope it all goes well for you , all the best
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