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64 bit performance (autocad 2008) AMD vs Intel

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December 27, 2007 3:35:56 PM

Anyone have any experience with 64 bit performance on an intel quad core vs an amd quad core? I use Autocad and I just ordered 2008 which uses 64 bit or 32 bit depending on the OS.
December 27, 2007 4:41:30 PM

intel renders MUCH faster
December 27, 2007 4:56:38 PM

AMD having issues with their quadz as of late, and even if they weren't, Intel would still be faster.
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December 27, 2007 5:02:49 PM

I design in 3d mostly, but occasionally have to draw up in AutoCAD, since I'm a ME and not a CE I don't use ACAD much therefore I HATE it (Yes I know some MEs still design in ACAD and that's largely due to gigantic file systems all in 2D that would cost too much to convert to 3D). I don't have much to compare with other than comparing my workstation to my home PC for 3d modelling (SolidEdge)

Workstation - Intel P4 w/ HT 2.8Ghz & ATI Open GL GPU (Forget which one) & XP 32-bit

Home - Q6600 @3.2Ghz & 8800GT, XP 64-bit


Anyway my larger 3d assemblies render ridiculously faster at home despite having a gaming vid card. Of course this is largely due to a far more powerful CPU but it appears to take advantage of the cores quite well.

I realize that this doesn't help at all. But until AMD comes out with a Phenom that works at clock speeds as high as Intel, I wouldn't even consider an AMD CPU for CAD.
December 27, 2007 5:20:44 PM

The only reason to consider an AMD quad would be if you are running mysql farms...
December 27, 2007 5:46:54 PM

Thanks for the advice all. I will probably go with a Q6600. Or is Intel on the verge of coming up with a new line of quads (something in the 45nm flavor)?
December 27, 2007 6:01:59 PM

hairycat101 said:
Thanks for the advice all. I will probably go with a Q6600. Or is Intel on the verge of coming up with a new line of quads (something in the 45nm flavor)?


Not for a good 2 months at least, so just plop for the Q6600. The 45nm quads won't even be that much faster. The Q6600 is a brilliant buy at the moment.
December 27, 2007 6:11:29 PM

The Penyrn quads got delayed til 1Q08 I think because of AMD's failing Phenom. I think they should be out by the end of January.
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December 27, 2007 6:49:16 PM

Get a Intel Quad core and a P35 motherboard.
December 27, 2007 7:41:11 PM

why the P35 and not the 38? For the small price difference, I thought the 38 with DDR2 might make a good workstation.
December 27, 2007 7:43:19 PM

hairycat101 said:
why the P35 and not the 38? For the small price difference, I thought the 38 with DDR2 might make a good workstation.



Only if you need the CF, otherwise there isn't much of a difference.
December 27, 2007 7:50:50 PM

Thanks all. Looks like a Q6600 and a P35 in my future.
December 27, 2007 8:34:52 PM

hairycat101 said:
Thanks all. Looks like a Q6600 and a P35 in my future.


I would suggest a Gigabyte DS3 P35, fantastic boards.
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