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4.20 GHz ONLY - Most stable 420 overclock ever. - Page 6

post #51 of 67
I found one of mine from late 2009 or so, I've always done any stress tests with HT on.
I leave HT on 24/7 & turn off HT/use less cores when the application does better without.

    
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post #52 of 67
Thread Starter 
Quote:
Originally Posted by 2010rig View Post
Although you're probably right, I tweaked my 4.1 OC with HT ON a LOT before deciding it was stable, and it passed all 20 runs. I'm thinking that Linx does not take advantage of Hyper Threading, and works better without it, which is weird. I guess we'll need more HT ON vs HT Off results.

LinX uses HT, when it's enabled, it uses "All" cores/threads by default. If you have a task manager or process explorer graph on you will see all 8 threads at 100%. IBT on the other hand does not fully tax all the cores if you use the "Auto" threads setting (default). On Auto it will spread the load across all the cores/threads, and none of the threads will fill in at 100% utilization. If you specify the exact number of cores/threads in IBT, THEN it will load all the cores @ 100% like Prime95 and LinX. Prime defaults to all detected cores at 100% load.

It's not that LinX is working better or worse with HT on or off. It's the CPU speed and efficiency that determines the GFlop scores. LinX merely presents the "problem" to the CPU and records, in GFlops, how fast the CPU solves that problem.

It's the CPU that is working better or worse with HT on or OFF, not the testing software.


-TG
Gom Jabbar
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i7 930 @ 4.20 GHz 1.29v HT 
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Gom Jabbar
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post #53 of 67
Thread Starter 
Quote:
Originally Posted by FtW 420 View Post
I found one of mine from late 2009 or so, I've always done any stress tests with HT on.
I leave HT on 24/7 & turn off HT/use less cores when the application does better without.


VERY tight dude! 56.46 -.49 GFlops @ 4200 w/ HT on is some solid tuning. Just goes to show you that the chip is meant to be run at 4.20. Intel did this on purpose, I only get more convinced as times goes on.


-TG
Gom Jabbar
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Gom Jabbar
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post #54 of 67
Nice o'clock!

Here's mine with HT OFF:



and Super Pi:




I think that all 4.2Ghz overclocks under 1.3v are pretty good, since, apart from pure luck, it's very time consuming to be testing testing and tuning and testing.

I found that i needed 1.31v with HT on... resulting on more heat, more energy consumption ... and les fps in the games i play, so ... off it went. This was a work pc... now that's only for gaming... let's bring the juice

Well, my other settings are 1 1.255 qpi, 1.7 cpu pll, 8-8-8-24 1T timmings.
post #55 of 67
Nice voltage, although my 1075T pulls more Gflops at 4.1Ghz
post #56 of 67
Show me your super pi results hihihihi

Peace ... i'm an AMD fan waiting for AMD to succeed and wanting so badly that bulldozer comes awesome ...

I always like going a different route than mainstream, but ... until now... it's been hard to swap systems
post #57 of 67
Quote:
Originally Posted by Pedros View Post
Here's mine with HT OFF
That's cheating !
post #58 of 67
Yeah hasselhoff... but games run smoothly ehehehe
Peace
post #59 of 67
Quote:
Originally Posted by Pedros View Post
Show me your super pi results hihihihi

Peace ... i'm an AMD fan waiting for AMD to succeed and wanting so badly that bulldozer comes awesome ...

I always like going a different route than mainstream, but ... until now... it's been hard to swap systems
My pi is about 15 seconds I think from memory
post #60 of 67
hihihi... i know it's "high" i was just messing with ya

I'm a intel user, i must show my "fanboism" and i can never give you any kind of a week sign of reason hihihi

Peace,
Pedro
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