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q9550 or qx9650

post #1 of 17
Thread Starter 
i purchased a qx9650 and have done my research on the two cpus but i am not following what i will get out of the new cpu.

i have my 9550 at 4.25 1.318vcore with a 8.5 multi
i know the 9650 has an unlocked multi but how high does the multiplier go and what will make the cpu/system unstable?

i currenlty in sli with my 790i ultra and seem to have hit the fsb wall at 495.

so my question is what will the qx9650 do? i am assured to have the temps fully under control as my 9550 is only loading at 55c. i also know that the qx9650 will use more power but is that the only thing really that is holding the processor back besides what some seem to see as temperature issues?

i am still new to ocing and am kinda confused as to the difference between the two besides the stepping. can someone help me out and discuss this a little bit with me please?
post #2 of 17
Have a look at this Overclocking Intel's New 45nm QX9650: The Rules Have Changed
    
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post #3 of 17
I doubt you will get any better overclock out of that QX9650 when compared to your Q9550, on air cooling. Your Q9550 clock is impressive!
    
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post #4 of 17
Thread Starter 
so after going over that material it woudl be safe to say that i may hit around 4.3 or 4.3?

i am also in the understanding that the qx will render hd material better. my plans are to finish building a solid 3d setup for theater and gaming. so oc to oc, without upgrading to i7ee the 9550 will still smoke the qx9650? in power consumption and over all stability?
post #5 of 17
Wasted money IMO. That's a fantastic overclock on that Q9550. You probably won't see any performance difference compared to the QX.
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post #6 of 17
It may be worth it for you to go water cooling at this point. As the others have said, you probably won't be able to overclock your QX9650 much higher than your current overclock due to heat limitations.
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post #7 of 17
QX9650 is the stronger chip but any performance difference between a highly-OCed QX9650 and your Q9550 will be negligible.
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post #8 of 17
Thread Starter 
i purchased the chip knowing all the above but with the assurance that its resale value is also good. probably more than what i bought it for, but i will never no till it gets here, i review the batch and vid.

so back to the original quesiton with voltage and heat aside. does a higher multiplier make a system unstable? what are the advantages of the fact? wouldn't i theoretically be able to use a high multiplier with a modeate fsb a decenet amount of voltages and produce a clock much higher than my 9550?

this is were i get lost. what does the unlcoked multi really offer me?
post #9 of 17
The multi lets you achieve a higher CPU frequency without having to bump up your FSB and RAM too high. Honestly, it's not a big deal since the Q9550 can already hit 4+ GHz easily but runs into heat issues soon afterward if you're on air cooling.
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Intel 520 Series Cherryville 180GB 2 x WD6400AAKS in RAID 0 WD300GLSA16100 short-stroked to 48.8GB Prolimatech Megahalems 
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Samsung 830 128GB WD5000BEKT Lite-On DC-8A4SH Slot-loading DVD Burner Corsair H60 
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Logitech LX3 Ratpadz GS Audioengine 5 
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Core i3 530 @ 3.813GHz w/ 1.176v Asus P7H55D-M EVO Sapphire HD 5670 512MB @ 815/1025 2 x 2GB G.Skill Ripjaws @ 1600 9-9-9-24 
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post #10 of 17
QX9650 and QX9775 are based on the C1 stepping and are not as good of overclockers as an E0 Q9550. A QX series will be easier to overclock to a certain point, but will reach a plateau sooner than an E0 CPU will. As long as you have a quality motherboard and high speed RAM, your Q9550 will clock better.
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