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Old February 27, 2012, 09:04 PM
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Default Question about bottlenecking

I'm using a Q6600 @ 2.4 GHz on a P5k-E board with 8gb ram, ATI 5750.
I was wondering if i got a new graphics card (example 6850) would the processor be able to use it to it's full potential?

Thanks-
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Old February 27, 2012, 09:43 PM
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I think it(Q6600) would go just fine with ATI 6850 but i would consider overclocking the processor to 3.0-3.2Ghz and also make sure you have a decent Power Supply to go on with it!!!!
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Old February 28, 2012, 08:08 AM
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I definitely agree with Suchin283 about o/c the cpu. I have had mine running at 3.2Ghz on air for the last 2-3 years or so with no problem. Regarding your specific question, I admit that I do not know... :(
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Old February 28, 2012, 11:21 AM
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There will be a bottleneck even on HD 5750 when you're running at stock speeds. Go for 2.8 whether you upgrade or not.
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Old February 28, 2012, 12:16 PM
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Thanks for the advice I've OC to 3.2 Ghz now and I've seen improvements on the HD 5750.
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Old February 28, 2012, 12:37 PM
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There is the oc of the cpu and of course the system bus and ram. Having the ram at a low divider i.e 1:1 or 1:2 1:3 can help alot as well, as can having the FSB as high as it can go stabiliy, I had my E8400 running with its FSB at around 1900 and it was smoking fast, obviously keep an eye on the temps and voltages being used, alot of Q6600 could see 3.2-3.6 but very few could get above the 3.6 mark or so, but their FSB, dividers and such on a good board could get quite up there.

Magic clock numbers for most cpus to reduce bottlnecks and such 2.8-3.0-3.2-3.4-3.6-3.9-4.0-4.2 and so forth, though the older chips had a heck of a time breaching 3.6(which most benchmark sites would try to hit as best they could) either way, fast cpu needs fast memory, fast FSB(in your case) at a very tight divider this way here the cpu gets fed as fast as can be. Having more system memory can help, as can having faster memory to begin with ddr2 800 or ddr2 1066 usually has a wider range of operating frequencies and will usually allow the cpu to get as high as it can with decent voltage/temps while still having the FSB and memory super fast.
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