Best quad core for LGA 775?

soldier5637 · Apr 15, 2015

Hey, I have a Dell optiplex 960 with a dual core E8400 Intel CPU in it. I'm looking to put a quad core in for intensive game purposes. Will any CPU work that is for 775? What's the best quad core CPU I can get for under $100 on eBay? I've been looking on there and I'm not sure which one would be best for me. If it helps any, it would need to be able to handle Total War Rome 2 on high settings because my current CPU falls well short of that.

Thanks guys.

spentshells · Apr 15, 2015

q9550 is available for about that much on newegg right now.

InvalidError · Apr 15, 2015

Check the motherboard's manual if you can find it or look for the highest-spec CPU in that Optiplex line to see what the highest-performance CPU for it might be.

If you are really serious about the "intensive" part of your question though, you should really consider upgrading to an i5 since the Core iX series are nearly twice as fast per core in large part thanks to their integrated memory controller and single-threaded performance is still the main limiting factor in most games and applications.

spentshells · Apr 15, 2015

Well if it supports the yorkfeild 8400 the q9550 will be a drop in part.

But as mentioned this is an end of life project, it's update time.

COLGeek · Apr 15, 2015

soldier5637 :

[strike]As I recall (used to use one of these and did upgrade to a 4-core CPU), the best you can use is a Q6600 or Q6700. [/strike]

I donated to the neighbor's kids 4 years ago and it is still running well.

EDITED: Original statement was not correct.

daswilhelm · Apr 15, 2015

COLGeek :

soldier5637 :

As I recall (used to use one of these and did upgrade to a 4-core CPU), the best you can use is a Q6600 or Q6700. This is a FSB issue with the Optiplex chipset. The newer 1333Mhz CPUs won't work.

isn't the e8400 a 1333mhz FSB cpu?

COLGeek · Apr 15, 2015

[strike]It is, I went back and looked at that and edited my post (see above). I could be wrong here, but I do recall an issue using the faster CPU when I completed such an upgrade a few years ago.[/strike]

EDIT: This is not correct. See below.

COLGeek · Apr 15, 2015

I just corrected myself. See here for the definitive answer. Q9550 will be fine. See second page.

https://www.dell.com/downloads/global/products/optix/en/desktop-optiplex-960-customer-brochure-en.pdf

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