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4.20 GHz ONLY - Most stable 420 overclock ever. - Page 5

post #41 of 67
Alright, so I wanted to test this HT ON vs HT OFF theory to see how it played out.

But first a little background:

For the past 6 months I've been running 3.8 or 4.0 STABLE Overclocks with HT ON depending on what I'm doing. Most often than not, 3.8 is my usual 24/7 OC when I'm not editing, encoding, gaming, etc. Since it gave me the best temps.

I run 4.0 when gaming and working. So I know what an OC with Hyper Threading is like performance wise, and what it "feels" like.

Now, on to the test.

First, I tweaked, and tested my 4.2 OC with HT on, and after a couple tries I got it to run Linx without errors, though I didn't do the full 20 runs, I just wanted it to run, so I'd know how many Gflops I would get, and took a screenshot.

I just wanted to get a base for comparison purposes to see what would happen vs HT off.
(On the previous page I showed the full 20 runs @ 4.1 from a couple days ago.)



Now, I went into the BIOS, tweaked settings for 4.2 with HT OFF, and on my first try without further tweaking and testing, I got this! ( The weird thing is, the OP's test finished in 57m 28s )



Now, browsing the web is a lot spiffier, the computer feels way more stable, compared to how it "felt" with HT ON, and look at those temps!

Throughout the test I did up the voltage once, and went down once from the sweet spot that the entire test ran with. When I upped it, the highest core temp went to 73 for 1 run, but for the entire test it hovered between 70 & 72.

To say that I am impressed is an under-statement, and I will do more testing in video editing, rendering, etc, but as of right now, it's going to be very hard to convince me to go back to HT ON!

Why?

Lower temps, spiffier computer, higher overclock, etc, etc, I've been running with HT ON for 6 months to compare it to.

For those who need to see validation:
http://valid.canardpc.com/show_oc.php?id=1562236

Thanks OP for sharing this. + Rep!

For those of you who want the BIOS settings, I have posted them here:
http://www.overclock.net/intel-mothe...l#post11816937
Edited by 2010rig - 12/29/10 at 9:55am
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post #42 of 67
Thread Starter 
Quote:
Originally Posted by grizzlyblunting View Post
lol I think TheBigC's avatar says all that needs to be said about you and this thread...
Now why do you have to go and be a douche like this? Why is it that there is always a guy like you lurking around trying to ruin the vibe? Posting, overclocking and sharing results is supposed to be enjoyable. This is a big discussion forum, so go be a dink somewhere else.


-TG
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post #43 of 67
Thread Starter 
Quote:
Originally Posted by 2010rig View Post

Now, browsing the web is a lot spiffier, the computer feels way more stable, compared to how it "felt" with HT ON, and look at those temps!

Throughout the test I did up the voltage once, and went down once from the sweet spot that the entire test ran with. When I upped it, the highest core temp went to 73 for 1 run, but for the entire test it hovered between 70 & 72.

To say that I am impressed is an under-statement, and I will do more testing in video editing, rendering, etc, but as of right now, it's going to be very hard to convince me to go back to HT ON!

Why?

Lower temps, spiffier computer, higher overclock, etc, etc, I've been running with HT ON for 6 months to compare it to.

For those who need to see validation:
http://valid.canardpc.com/show_oc.php?id=1562236

Thanks OP for sharing this.
preach the 4.20 gospel brother!

I especially noticed the crispness of 4.20 GHz w/ HT off when booting from the SSD. Just that little extra snappiness it seems to have, it's hard to put into words, other than my system feels more responsive and fast. I get better frame rates in Witcher w/ HT off too.


-TG
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post #44 of 67
Thread Starter 
Quote:
Originally Posted by kylzer View Post
also its good but its not great i've seen better.

No, these are great numbers, I have seen a lot of "good"numbers, but nothing so tight and stable as these. I am going to have to see if they hold up when I start lowering the vcore. 1.28750 seems to be the sweet spot on this chip though.

-TG
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post #45 of 67
Thread Starter 
Quote:
Originally Posted by Jean-Luc View Post
Better Ram and Better Mobos huh? God I love how delusional you are Hokie.

Run maxxmem for us. I need a taste of your memory superiority

Rather salty today Jean-Luc? Your posts have had an edge on them today. Now why are we so grumpy...?
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post #46 of 67
Quote:
Originally Posted by Tleilaxu Ghola View Post
preach the 4.20 gospel brother!

I especially noticed the crispness of 4.20 GHz w/ HT off when booting from the SSD. Just that little extra snappiness it seems to have, it's hard to put into words, other than my system feels more responsive and fast. I get better frame rates in Witcher w/ HT off too.

-TG
Exactly man, there's a clear difference!

Just when I thought I could let go of HyperThreading for good, I ran into this...

While running Cinebench today, I noticed a difference between the scores, which confirms that when it comes to rendering, encoding, and software programs that do take advantage of the extra cores, there is a clear difference with HT ON.

HT OFF


HT ON


So, for 24/7 every day use, I'm definitely going HT OFF, and when working, I have to go HT ON unfortunately, BOOO!

So I guess Linx favors HT OFF, weird.
Edited by 2010rig - 12/29/10 at 9:47am
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post #47 of 67
Quote:
Originally Posted by Tleilaxu Ghola View Post
No, these are great numbers, I have seen a lot of "good"numbers, but nothing so tight and stable as these. I am going to have to see if they hold up when I start lowering the vcore. 1.28750 seems to be the sweet spot on this chip though.

-TG
1.27500 vcore & 1.22500 QPI was the sweet spot on mine, though I haven't done further tweaking yet, but this is what passed the 20 runs.
Edited by 2010rig - 12/29/10 at 9:45am
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post #48 of 67
The one thing I would add to this discussion is that sometimes lower Gflops is an indication of an unstable or close to the edge unstable OC. I have experienced getting some lower numbers and then throwing a few more volts and having it come back up "inline" with my expectations. Just my thoughts....
post #49 of 67
Quote:
Originally Posted by tats View Post
The one thing I would add to this discussion is that sometimes lower Gflops is an indication of an unstable or close to the edge unstable OC. I have experienced getting some lower numbers and then throwing a few more volts and having it come back up "inline" with my expectations. Just my thoughts....
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.


Edited by 2010rig - 1/3/11 at 9:54am
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post #50 of 67
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Quote:
Originally Posted by Jean-Luc View Post
HT disabled? Whats the point of buying the I7 then?
...to ride it hard and put it away wet!
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