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Great 2600k chip or not? ;-) - Page 2

post #11 of 91
You don't need to run 8-12 hours to please some random internet person you'll never meet in real life. But run Blend, for crying out loud, and enable HT, to see what your CPU can actually do. Just because your CPU is 10C hotter with small FFT than blend (Blend can actually heat up a CPU as much as small FFT if the sample sizes get to the lower numbers) does not mean that the CPU is being stressed more. In the Core 2 days, yes that was true, but the CPU has to do a lot more work now.

Disabling HT is great for finding max clocks (some even boot with 2 cores to find max multiplier), and it's fine to game with HT off if there is no benefit to eight threads in that game, but why did you buy a 2600k if you don't want to see what it can really do at full potential?
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post #12 of 91
Quote:
Originally Posted by XrOo;13235093 
http://img709.imageshack.us/f/4800hton.png/
Old run with HT on. Were playing around a lot with voltages. Were getting help from another forum though.

And what difference does it make if I'm using HT or not? The 5.8 results arent running HT, so what's the deal with that? tongue.gif

edit: found this old vid too. http://www.youtube.com/watch?v=HoJWMQEO7yM :-P
4.8 small ftts WITHOUT HT @ 1.2x something vcore


What was that? I don't see prime, or the amount of time you ran it for.
post #13 of 91
Quote:
Originally Posted by XrOo;13235037 
I've tried all these "burn-in" tests and actually Prime 95's small ftt test does seem to push most stress on the cpu. I see no reason to run prime or whatever for 24 hours just so say "hey it's stable". Running at 5.4 now. Gaming with it, using the internet with it, burning dvds with it.. You get the point. It's stable :-P

small ffts place different type of stress on the CPU, large ffts will make it work harder, so for now your cpu might seem stable, but it will probably fail unexpectadly.
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post #14 of 91
Thread Starter 
I'll post a video whenever I feel the need to "impress" some people. It was actually recorded because someone was asking about the h2o loop i used.

Yikes! People are really jumping on me here haha :]
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post #15 of 91
Quote:
Originally Posted by XrOo;13234890 
4.8 running small ftt stable at 1.28v (http://valid.canardpc.com/show_oc.php?id=1755869)

Tried at a lower vcore. It worked! 4.8 at only 1.256 volts! (http://valid.canardpc.com/show_oc.php?id=1753692)

And latest attempt was 5.4GHz @ 1.52volts. (http://valid.canardpc.com/show_oc.php?id=1769867)

I tried all runs with a 30 minutes prime 95 small ftt test.

When I get the hang of Ln2 this chip will die.. slowly

Most people can run small ftt p95 for hours and hours while running blend getting BSOD withing minutes. Sandy bridge only stress test should be blend.

Do BLEND P95 for an hour with cpuz 1.57 and real temp. take a screen shot AT MAX LOAD and post it in 5ghz club, join the club.
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post #16 of 91
Quote:
Originally Posted by XrOo;13235167 
I'll post a video whenever I feel the need to "impress" some people.

But your the one who started the thread asking what we thought of your chip..i.e trying to impress us.

Well...we're waiting. Stress test your cpu and impress us poke.gif
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post #17 of 91
Quote:
Originally Posted by XrOo;13235167 
I'll post a video whenever I feel the need to "impress" some people. It was actually recorded because someone was asking about the h2o loop i used.

Yikes! People are really jumping on me here haha :]

People are jumping on you because you're not showing anything viable to actually be stable. You obviously posted this thread to "impress" considering your title. So when people question, why do you back out so easily without proof? Next time, do a blend with HT on... LONGER than 30min and post with temps and the amount of time you ran it for.
post #18 of 91
Thread Starter 
Quote:
Originally Posted by $ilent;13235163 
small ffts place different type of stress on the CPU, large ffts will make it work harder, so for now your cpu might seem stable, but it will probably fail unexpectadly.

The thing is. I've tried blend, big, small. Blend ran for over 2 hours with 4.8ghz and the temps were never even as high as with small ftt test. blend and "big" ftt tests get very close to each other in terms of temps. While small ftts gets them 10-15C higher right away without the need to wait for 2 hours.

And yes. It will probably crash at some point. But I'm basically curious if its worth pushing the chip higher. I've read maaaany posts and it seems they are running at a higher voltage to obtain the same speeds, some with a lower voltage.

Long story short: is it even worth trying to push the chip? is the chip in the "OK" list regarding voltage/ghz category.
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post #19 of 91
I'm not jumping on you. I'm a gamer. I jump on ANYONE who asks me to run blend for 12 hours at high vcore, just to prove stability, unless they want to paypal me some money for a new CPU. I wasted hundreds of dollars having chips degrade already. But no one on these forums cares about me and thus I don't care about them. If I had a heart attack and vanished, no one would even notice, so I'm here to serve my own best interests, not the best interests of others.

But my point is the following:
1) I've had blend spontaneously reboot my system far faster than Small FFT, even when Blend was running 15 C(!) cooler.
2) Small FFT is cache intensive, so it's only testing the CPU cache and instructions. Naturally, the temps will be higher. But sometimes, it's not temps that will crash you. It's overall stability between different parts of the CPU+IMC. There used to be a program called BurnBX, that would heat Pentium 3's 15C hotter than prime small FFT's. Does that mean that you HAVE to use it to see if your system is stable? Of course not. Back then, "Torture test" actually meant TORTURE--meaning not real world--it meant, could your CPU handle the most amount of work possible (Under that cooling)....wasn't even meant to be a stability test. The author of burnBX admitted that he used a series of cache based looping instructions that NO program would ever inflict on the CPU at any time, to raise the temps as high as humanly possible.

3) On Core 2 systems, the northbridge and GTL refs played a pivotal role on how your system performed, and you would need Prime blend to find the weak link with that; small FFT could run all day if the cache were stable. i7's have the IMC integrated in the CPU, so that changes the game.
4) HT Off makes a big difference on stability, so a system that could do HT off might fail with HT on. Many earlier core i7 processors would gain up to 200 mhz by disabling HT.
Edited by Falkentyne - 4/22/11 at 5:51pm
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post #20 of 91
Quote:
Originally Posted by XrOo;13235226 
The thing is. I've tried blend, big, small. Blend ran for over 2 hours with 4.8ghz and the temps were never even as high as with small ftt test. blend and "big" ftt tests get very close to each other in terms of temps. While small ftts gets them 10-15C higher right away without the need to wait for 2 hours.

And yes. It will probably crash at some point. But I'm basically curious if its worth pushing the chip higher. I've read maaaany posts and it seems they are running at a higher voltage to obtain the same speeds, some with a lower voltage.

Long story short: is it even worth trying to push the chip? is the chip in the "OK" list regarding voltage/ghz category.

poke.gif blend with lower cpu temp will fail on you MUCH quicker than small tff with HIGHER temp. RUN BLEND forget about who give you higher temp. i was in the same boat that i was able to run P95 small tff for 8 hours and my rig would crash BLEND within 10 minutes. Had to raise voltage to get it BLEND STABLE.
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