Real World PCI 2.0 vs 3.0 performance?

A

ashawwal

New Member
Hi guys,
I've browsed the internet over and over, but I have yet to find a video, review, etc. that explains or shows the actual speed difference between a pci 2.0 and a pci 3.0 setup. I ask this because I have a pci 3.0 capable processor and motherboard and I'm not sure if I want to get a pricier 3.0 Graphics Card or a cheaper 2.0 card. Can anyone explain or show the actual difference in graphics performance between the two so I know if the more expensive cards can justify the price. Thanks and I really value your opinion. :)
 
What are the different graphics cards you have in mind? Pcie 3 vs 2, don't worry. You should be worrying about the performance of the card.
 
There are only a handful of high end cards that use 3.0 but it's not what you should look for. What budget are you aiming at and we can pick out a good card for you.
 
Well, I prefer nividia, but the 6870 does win. Not to many games use physx, plus ciuda cores aren't important unless you will be using programs like cad, or folding@home.
 
PhysX has been pretty crappy on all the games I've tested so far. PhysX is cool, but still very unstable.
 
The idea of moving to PCI-E 3.0 is to prevent any sort of bottlenecking from the interface. This is why it's on new cards now even if they don't max out 2.0/2.1 bandwidth. That and there is less overhead on 3.0
 
byteninja2 said:
Well, I prefer nividia, but the 6870 does win. Not to many games use physx, plus ciuda cores aren't important unless you will be using programs like cad, or folding@home.
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They are also used in games, as the cuda cores are the actual SP units its just the name of nvidias design, which I believe its still the same basic design as the G80 was just with more processors.
 
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