PCI vs PCIe x1 - in processing power

I just got an AMD Phenom II 1055t -- WOOT! :bounce:

The two mobos I'm looking at are essentially the same (right?) except ... one has more PCI vs PCI Express x1 slots.

GIGABYTE GA-770T-USB3 AM3 AMD 770 USB 3.0 ATX AMD Motherboard
http://www.newegg.com/Product/Product.aspx?Item=N82E16813128431&Tpk=GIGABYTE%20GA-770T

GIGABYTE GA-770TA-UD3 AM3 AMD 770 SATA 6Gb/s USB 3.0 ATX AMD Motherboard
http://www.newegg.com/Product/Product.aspx?Item=N82E16813128419&Tpk=GA-770TA-UD3

Does PCI vs PCIe have an effect on processor cycles / performance?

I'd like to stick my Creative XtremeGamer soundcard in there along with my TV tuner. Otherwise, I have no other PCI cards... This would be great for the 770TA

I could settle for onboard sound and get the 770T if performance is going to be an issue.

Which board is better? :ouch:

Thanks!
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  1. I've read online that the PCI shares the same bus with all other PCI slots on the system... so traffic can be a problem. Also, it's 133MB max, vs. 400mb for PCIe x1

    Can anyone confirm whether or not it is an issue in real world applications?
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