Athlon 64 X2 3800+ vs. Pentium D 820 2.8ghz

I have both of these CPUs lying around with no motherboard since they both failed. I recently got a good deal on 2 9600GT video cards that I wanted to run in SLI mode just for fun and to see if there was much difference. I thought my motherboard supported SLI but it was actually made for Crossfire.

I know that both of these CPUs will be the bottleneck in my test machine, but, I just wanted to try it out anyways. So my question is, which of these CPUs would be a better candidate to run in SLI mode? I had an Asus A8N-SLI Deluxe before the fan on the southbridge completely failed and well the motherboard is dead. I know both CPUs are dual core or whatever, but, which would be the faster of the two? And are they overclockable?

Thanks for your time.

[EDIT: made a mistake, its actually the X2 dual core Athlon 64]
3 answers Last reply
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  1. Athlon 64 3800+ is a single core CPU right? The Athlon would be an x2 if it was dual core if I remember right. If that is the case then the Pentium D 820 is the better choice.

    Well I found this:

    http://www.tomshardware.com/charts/cpu-charts-2007/compare,366.html?prod%5B735%5D=on&prod%5B692%5D=on

    The Athlon is faster in single threaded things for sure. With good cooling either should overclock pretty well.
  2. anort3 said:
    Athlon 64 3800+ is a single core CPU right? The Athlon would be an x2 if it was dual core if I remember right. If that is the case then the Pentium D 820 is the better choice.

    Well I found this:

    http://www.tomshardware.com/charts/cpu-charts-2007/compare,366.html?prod%5B735%5D=on&prod%5B692%5D=on

    The Athlon is faster in single threaded things for sure. With good cooling either should overclock pretty well.



    thanks for your response. I made a mistake, I actually have the X2 version which is dual core. I'm not sure if that makes much difference but thanks for the link. Is there one comparing the X2 and the D 820?

    [EDIT: Found it.. http://www.tomshardware.com/charts/cpu-charts-2007/compare,366.html?prod[725]=on&prod[692]=on ] I think the Athlon X2 is the better choice. thanks again.
  3. Yep the Athlon x2 pretty much kills that Pentium D. Much better choice.
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