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Question about PCIE 3.0, Can you answer? ASAP!!!

:hello:
I have this main components that i want to discuss and take some information from all/few experts here regarding my problem.

My main spec:

Mobo: gigabyte GA Z77X UD3H = Pcie 3 compatible
CPU: i3-2120/i3-3220 = Pcie 2 compatible
GPU: sapphire HD7770 vaporX = Pcie 3 compatible

I wonder if my card can run pcie 3 with this setup
Or it must be both CPU and MOBO compatible with pcie 3 before it can run PCIE 3.0 speed?

What happen if i use this exact setup for my rig, any downfall in Game fps?

Im planning to buy between i3-2120 and i3-3220, No i5 or i7 yet! since i don't wan't to overclock yet! (no Amd cpu please)

If i plug in my card then it should run pcie2.0 speed instead of 3.0 am i right?
Is it noticeable?

And also guys can you suggest some intel CPU's that compatible with PCie3.0.


Thanks!

Regards
-Kc :D
7 answers Last reply Best Answer
More about question pcie answer asap
  1. Bump..
  2. Best answer
    Ivy Bridge (i3-3220) supports pcie 3.0. Sandy Bridge (i3-2120) doesn't. You won't see any difference between pcie 2.0 and 3.0 right now. Go with the i3-3220 it use less power it's faster has a better memory controller and pcie 3.0.
  3. You won't notice any difference as even a 7990 nor 690 even saturates PCIe 2.0 yet.

    "And also guys can you suggest some intel CPU's that compatible with PCie3.0."
    Ivy Bridge introduced PCIe 3.0 as a standard feature.

    *Forgot to mention, Ivy with any 7 series LGA1155 board is the correct config for full PCIe 3.0 functionality.
  4. Best answer selected by dudeknows.
  5. saint7269 said:
    Ivy Bridge (i3-3220) supports pcie 3.0. Sandy Bridge (i3-2120) doesn't. You won't see any difference between pcie 2.0 and 3.0 right now. Go with the i3-3220 it use less power it's faster has a better memory controller and pcie 3.0.


    Hang on a sec, i3 doesn't support pci e 3.0? According to their info sheet: http://ark.intel.com/products/65693/Intel-Core-i3-3220-Processor-3M-Cache-3_30-GHz
  6. This is news to me, but none of the IB i3 processors say PCIe 3.0......?
    Maybe this is a pointless reduction of features for what Intel deems budget, I don't know why though. If this is the case, add this to the against column for Intel moving everything on-board to their processors.
  7. Regardless, I really don't think we'll feel a difference. This is a good read: http://www.hardocp.com/article/2012/07/18/pci_express_20_vs_30_gpu_gaming_performance_review/1

    I'm currently building a mobile budget gaming rig for a friend and plan on using the i3 3220 on the GA-H77N board. It's TINY!
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