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Core 2 Quad Q8400S

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April 11, 2011 7:47:11 PM

Hello Tom's Hardware Community!
I'm planning on putting a new CPU in an Optiplex 775 to replace the aging Celeron 430.
If anyone here has a Core 2 Quad Q8400S, what kind of performance should I get out of it?
From what I can tell, It has a lower TDP than it's sister CPU, the Q8400. But everything else seems to be the same.
I'm also open to any other suggestions that you might have.
CPU:
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
Thanks,
WSD1993

More about : core quad q8400s

April 11, 2011 9:19:27 PM

Have you checked that the motherboard supports the Q8400S?

From a Celeron 430 to a Q8400S might have issues and require a BIOS update, or a new motherboard.
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April 11, 2011 9:26:49 PM

Quote:
Have you checked that the motherboard supports the Q8400S?

From a Celeron 430 to a Q8400S might have issues and require a BIOS update, or a new motherboard.

I have checked the compatibility for this processor and Motherboard, and the new CPU is supported under the chipset and BIOS.
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April 12, 2011 1:14:44 PM

Unless you have a real need for a lower powered CPU, I do not think that the price difference between the Q8400S (65 watt TDP) and the Q8400 (90 watt TDP) is worth it.
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April 12, 2011 4:08:31 PM

Well, I'm also going to get a video card (SAPPHIRE Radeon HD 5570) and I need to keep the PSU intact. (Dell components are non-proprietary.)
So I don't want to overload the current PSU and cause the rest of the system to come to a hault.
EDIT: Well, never mind, I might as well get a standard Q8400s. It costs way less and the higher TDP shouldn't affect the videocard I'm installing.
Thanks jsc!
WSD1993
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April 13, 2011 8:57:14 PM

Best answer selected by WSD1993.
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