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E6400 @ 500x7 or 438x8

post #1 of 11
Thread Starter 
Mobo P5B deluxe.
@ 438x8, Vcore 1.45 very stable, Temp 34/47c
@ 500x7, Vcore 1.4875 still orthosing now, Temp 36/51c
What set up have better performance? What kind of benchmatch to prove it?
If Vcore up to 1.5v will the CPU life affected?
Thanks
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post #2 of 11
I always keep the CPU multi at the highest it can go. 1st one gets my vote.
post #3 of 11
Orthos, as far as I know, is a great benchmark.

As long as the temps are fine, I guess you could go up to 1.5, although I do not recommend it.

As for oc, I'd say high multi so you can push it farther and achieve higher overclock.
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post #4 of 11
I'd choose #1. Though, with my CPU, 7 multiplier is the sweet spot. Meanwhile, 8 multiplier would not push your RAM so hard and your FSB wouldn't get as hot as the other clock.

If you're stable with 8 multiplier, go for it.
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post #5 of 11
Thread Starter 
I have good RAM (8x1GB) and they all can do >1100. Even with 3.5GH, Vcore 1.5 Temp never pass 55c. I also lapped NB heatsink + AS5 + 40mm fan on it. So I'm not worry about NB temp. Orthos is runing 1hr now without error. Just want to know, If my rig can do both those set up without any problem, which one should go. The only other concern is CPU life!
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Saigon PC
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post #6 of 11
Quote:
Originally Posted by ngocrebel View Post
I have good RAM (8x1GB) and they all can do >1100. Even with 3.5GH, Vcore 1.5 Temp never pass 55c. I also lapped NB heatsink + AS5 + 40mm fan on it. So I'm not worry about NB temp. Orthos is runing 1hr now without error. Just want to know, If my rig can do both those set up without any problem, which one should go. The only other concern is CPU life!
Well, what I believe is that, if you go pass default voltage, you'll slowly ruin your CPU because of all the voltages that's going through it. You can keep it cool at 1.5 vcore, but it'll die faster than at stock voltages. CyberD had a similar problem. Since he ran his CPU really high with Phase, he had to raise the voltage even more later on to keep stable.
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post #7 of 11
I had 450x7 and then switched to 350x9 and no difference whatsoever.

Use the full multi IMO and a 4:5 ratio.
post #8 of 11
First choice is the way to go, always go for the lower vcore/temps
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post #9 of 11
i say bench mark it and see which gives a higher score or run super pi and see if the times change
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post #10 of 11
Thread Starter 
SuperPI do not show any different. It's around 17.2s
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Saigon PC
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CPUMotherboardGraphicsRAM
E6420 @ 3.5 P5B Wifi Deluxe BFG 7950GT 4x1GB Crucial Balistix PC8500 
Hard DriveOptical DriveOSMonitor
WD250 for WIN, 3x500GB storage 2xNEC DVD burner 7170A Vista Ultimate 64bit Samsung 22" 
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