CPU/GPU Spec'ing & Interaction -

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homegrown303

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Jun 11, 2013
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Hello,
Currently running an Intel Quad-Core Q9550 CPU with a RADEON 5750 1GB GPU. I'd like to upgrade the GPU to a GTX660, maybe a RADEON 7850 or the like.
I'm wondering what impact the CPU will have on the GPU unit? The CPU is a bit old compared to those GPUs I listed. Will the CPU handcuff the GPU? Will there be any impact at all? Any advice on comparing CPU/GPU specs would be greatly appreciated. Mobo is an MSi P45 Platinum if that matters at all...

Thanks!
 
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coozie7
I think you'll find this a interesting read:

http://www.tomshardware.co.uk/ivy-bridge-wolfdale-yorkfield-comparison,review-32682.html

With your CPU overclocked and the 660 not being a top flight card I think the system might turn out to be well balanced-it's usually considered good to have a little more GPU than CPU muscle in a gaming rig.
Do n't worry about the PCI-E version, cards of this calibre will not suffer any noticeable performance loss in a 2.0 or even a 1.0 version slot, they're just not fast enough to use the available bandwidth.
As always, make sure the installed power supply can handle the new card-DO NOT use molex/PCI-E power adaptors the molex plugs are not designed to handle high currents and can burn out over time.
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ayushde

ayushde

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Feb 6, 2013
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I would say your cpu might bottleneck these gpus in some cases but overclock your cpu to 3.5 ghz will easily lift the bottleneck...
 
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coozie7

coozie7

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Jun 2, 2007
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I think you'll find this a interesting read:

http://www.tomshardware.co.uk/ivy-bridge-wolfdale-yorkfield-comparison,review-32682.html

With your CPU overclocked and the 660 not being a top flight card I think the system might turn out to be well balanced-it's usually considered good to have a little more GPU than CPU muscle in a gaming rig.
Do n't worry about the PCI-E version, cards of this calibre will not suffer any noticeable performance loss in a 2.0 or even a 1.0 version slot, they're just not fast enough to use the available bandwidth.
As always, make sure the installed power supply can handle the new card-DO NOT use molex/PCI-E power adaptors the molex plugs are not designed to handle high currents and can burn out over time.
 
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homegrown303

Honorable
Jun 11, 2013
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10,510


Thanks for the link. I'll have to sink my teeth into this but on initial inspection it looks like I might be able to squeeze a little more blood from this old Intel stone...

My current DDR2 RAM is only 800MHz so that means I'm limited to 400MHZ FSB, correct? That would cap my OC at 3.4GHz (400MHz x 8.5 Multiplier) without 1066MHz RAM. Which coincidentally is what these tests are run at...

I've never OC'd before so this should be a bit of an adventure...
 
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coozie7

coozie7

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Jun 2, 2007
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Beware of goblins, dragons and, of course, trolls on your adventure ;).
Never did get too much into overclocking but a few bits I did pick up:
Leave the voltages alone, overvolting is the quickest way to kill a component.
Make sure the component is correctly cooled, not doing so is the second quickest way to kill it.
Not doing your research into the subject is the third.
There's a nice little article over on the Overclocking Forum as a starter.
 
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ayushde

ayushde

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Feb 6, 2013
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+1...:D..
 
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