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3770k 5Ghz 1.6v - Page 16

post #151 of 162
For anyone reporting temps, can you please report which program produced those temps. Because honestly, Prime 95 @ 65c = IBT @ 85c.
post #152 of 162
SynchronicBoost umm no, not true with the latest Prime95's.
It is true if you use 27.6 or earlier. But with 27.7 or newer the temps will be almost identical with IBT or Linx because of addition of AVX to P95.
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post #153 of 162
Large FFT Prime 95 Run v 27.9.

*MM Voltage = 1.72v. Software reports 1.544 +/- .02v



Small FFT Prime 95 Run v 27.9



*MM Voltage = 1.74v steady.

IBT Run v2.53

*Once again, MM voltage = 1.72-1.78v



Ignore the GFlops. I had several browser tabs opened as well as other programs in the background. Its usually at the 120-125ish range.
Edited by *ka24e* - 5/22/13 at 3:13am
post #154 of 162
I think that screenshot might be a little off, as prime95 has higher temperatures the smaller the FFT size is. That screenshot shows FFT size at 400K, but it can go as low as 8K or something.

That said, I see the same behavior over here, up to 10 C lower max temperatures with prime95 v27.9 compared to IBT and LinX. This is with a 3570k.

I just looked through saved screenshots:

76, 88, 84, 82 <--- 10 minutes of IBT
71, 79, 76, 75 <--- 2 hours of prime95 blend

Both screenshots were from the same day, probably at similar room temperature, and IBT ran first. I assume prime95 blend for two hours hits some of the small FFT sizes that increase temperature.
post #155 of 162
Updated original post.

If you need any more test ran, just ask thumb.gif
Edited by *ka24e* - 5/22/13 at 3:14am
post #156 of 162
Quote:
Originally Posted by lock2701 View Post

If I dare say, your chip wasn't stable at 1.57v it probably needed 1.6v+ for 5Ghz. These stress tests programs only show "some" indication of stability, I don't pay attention to these programs when it runs. Only run it so that my computer is doing something, what's really important is Event Viewer showing errors or not. I run it when I can't be in front of the computer otherwise I run a variety of programs for about 1 hr each while checking error and do that for 5-7 days. If no error, then I'm pretty sure it's stable.

Well that's the thing. Once I got up to 5.0 @ 1.575vc it was stable for several weeks. Stability testing as well as encoding. It was after that time that the encodes started to crash and then upon reboot couldn't reach 5.0 again at any voltage.
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post #157 of 162
P95 small FFT's 73-79-77-75, IBT v2.54 with 4096mb load 73-80-78-76
ooh .75*C difference on average
P.S. 4.5Ghz ~1.22v
P.P.S. Linpack on Ivy is pointless anyway.
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post #158 of 162
prime95 small FFT is still 5 C colder for me. Perhaps there's a difference from the hyperthreading?



post #159 of 162
Thread Starter 
Quote:
Originally Posted by itznfb View Post

Well that's the thing. Once I got up to 5.0 @ 1.575vc it was stable for several weeks. Stability testing as well as encoding. It was after that time that the encodes started to crash and then upon reboot couldn't reach 5.0 again at any voltage.

I guess, 1.575v did damage it but since you can still run at 4.4 (?) it's no big deal, I guess. You got the most out of your chip! smile.gif

it only runs up to 4.4 now a day? BTW, you got balls running it at 1.575v for two weeks lol, I wouldn't have unless I'm buying a new chip soon.
post #160 of 162
Quote:
Originally Posted by lock2701 View Post

I guess, 1.575v did damage it but since you can still run at 4.4 (?) it's no big deal, I guess. You got the most out of your chip! smile.gif

it only runs up to 4.4 now a day? BTW, you got balls running it at 1.575v for two weeks lol, I wouldn't have unless I'm buying a new chip soon.

Yeah anything above 1.4 volts for 24/7 and you either have to have a golden chip, or you have to chill the CPU. Otherwise you are asking for trouble wink.gif
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