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PC hardware forum: Intel Q9450 overclocking question

by: barkal_l May 24, 2008 4:27 PM PDT

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Intel Q9450 overclocking question

by barkal_l - 5/24/08 4:27 PM

I am going to be building a new PC sometime this summer, and am looking at the Q9450 with the hope of OC'ing to somewhere in the 3.3-3.5Ghz range, using a Noctua cooler. Is this possible, and if so, how feasible (reasonable temps even on air cooling, stability, etc.), and what accompanying RAM overclock is required? Secondly, will DDR2-800 RAM be sufficient (assuming I will have to OC it to at least somewhat)? (I saw DDR-800 here since I have seen a few discussions that seem to say that RAM with stock speeds above 800 are sometimes unstable. Any input is appreciated. If it matters, I will be using some flavor of Asus P5Q motherboard most likely.


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re: q9450 OC

by ramarc - 5/26/08 9:49 AM

In Reply to: Intel Q9450 overclocking question by barkal_l

when OC'ing you'll need to tweak your FSB and ram speed seperately.

a 400mhz fsb is the simplest OC for that processor. it will raise the CPU from 2.66ghz to 3.2ghz and you'll still be able to run your ram at ddr2-800. any good motherboard will be to do this with a good cooler(like the noctua) and all that might be necessary is a gentle vcore push.

if you want to go higher, you should probably opt for ddr2-1066 and be prepared for a lot more tweaking. with a 420mhz FSB you could run at ddr2-840 or ddr2-1050 depending on the ratio you choose. heat will also become more of an issue over 400mhz FSB.

anandtech did a preview of the p5q deluxe a couple of weeks ago:
http://www.anandtech.com/mb/showdoc.aspx?i=3309&p=8


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Thanks...I decide to go the 420Mhz+ FSB route,

by barkal_l - 5/26/08 10:37 AM

In Reply to: re: q9450 OC by ramarc

would my setup still be sufficient (i.e., just higher overall temps, but nothing that would cause instability), or should I start looking at more aggressive cooling setups?


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