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I5 3750k

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October 29, 2012 8:52:59 AM

Hey, i just orderd a new CPU, a Intel i5 3750k, and i am wondering how far can/should i overclock it, i have a MSI Mpower MoBo, and a custom loop water cooling, i really wnt to take it to the edgen ive heard that they get really warm after like 4.6???

thank you very much
-Me

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October 29, 2012 9:05:15 AM

With a custom water loop cooling I say you won't have trouble with 4.6 ghz, I have a friend who achieved 4.4 ghz with the Corsair H100 with a voltage of 1.275 (note that voltage you will need it). With the overclock he does not break over 51 degrees when stressed. You may want to post what your custom water cooling is made up of so when the water cooling experts read this they can determine if it is good enough. I assume any custom water cooling loop you spend over $200 is better than a H100.

Edit: Oh yes, Toms did an article/tutorial on overclocking a similar CPU the i7-3770k which is not too far from your CPU, maybe you should give it a read.

- Socialfox :) 
October 29, 2012 2:54:12 PM

socialfox said:
With a custom water loop cooling I say you won't have trouble with 4.6 ghz, I have a friend who achieved 4.4 ghz with the Corsair H100 with a voltage of 1.275 (note that voltage you will need it). With the overclock he does not break over 51 degrees when stressed. You may want to post what your custom water cooling is made up of so when the water cooling experts read this they can determine if it is good enough. I assume any custom water cooling loop you spend over $200 is better than a H100.

Edit: Oh yes, Toms did an article/tutorial on overclocking a similar CPU the i7-3770k which is not too far from your CPU, maybe you should give it a read.

- Socialfox :) 

Cheers, well my WC setup is a Zalman 1 passive water cooler, as well as a 240 rad, the block i am not sure of, any suggestions for any upgrades??
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October 29, 2012 3:27:43 PM

I was stable at 4.6GHz on my Intel® Core™ i5-3570K at 1.25v but the temperature with the Corsair H100 were a little higher then I would want to run 24/7.
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October 29, 2012 4:04:34 PM

IntelEnthusiast said:
I was stable at 4.6GHz on my Intel® Core™ i5-3570K at 1.25v but the temperature with the Corsair H100 were a little higher then I would want to run 24/7.


What were your temps? I was thinking of going with a similar setup and overclocking.

Thanks.
October 29, 2012 5:03:56 PM

Just orderd it, havent actually built it yet :/  will tell you when i can
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October 29, 2012 5:56:11 PM

socialfox said:
I have a friend who achieved 4.4 ghz with the Corsair H100 with a voltage of 1.275 (note that voltage you will need it).


That is entirely dependent on what chip you got. I got lucky, and hit 4.4 stable @ 1.18v and a Hyper 212+ with a custom fan.
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October 29, 2012 6:01:42 PM

True, I think my friend could have actually lowered the voltage a bit more since many people can reach that with lower voltages. No harm done with that type of voltage increase. Either way, I do not own that CPU. All my builds have been AMD based going back to socket 939 :p , I have never owned an intel.
October 29, 2012 6:05:00 PM

Me neither, this is my first intel, ever :)  heard they are much better, so, why not try?
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October 29, 2012 6:08:00 PM

Yes Intel processors are actually better (it pains me as a AMD fanboy to say that) but I would say price to performance wise AMD wins, if its raw performance Intel wins by a far shot. They are probably years ahead of AMD in processors.
October 29, 2012 6:20:05 PM

Well, i could have got a 8 core amd for the price of my intel, however, this is what confuses me, how on earth can a 4 core smash a 8 core at the same clock speeds??? just seems wierd...
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October 29, 2012 6:23:24 PM

^ Because clock speeds mean NOTHING.
Performance per clock speed is completely, completely different, due to a whole lot of 9things. Clock speeds are only useful for two things: comparing the same model of chips (2 ivy bridge i5s, for example), and impressing people with big numbers.

I love AMD, but their processors do WAY less work per tick than Intel's do.
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October 29, 2012 6:24:01 PM

Intel and AMD are very different when it comes to cores. Take for example the recent Fx-6100 has 6 cores but it actually has only 3 executive cores and just 6 threads. So essentially it is better than a tri core but worse than most quad cores. I assume Intel has all executive cores (need confirmation, not an expert on Intel). It is also more of the CPU architecture that plays a good chunk of the role in speed.
October 29, 2012 6:25:10 PM

Is there somewhere i can get a brief 101 on cpu archoitecture??
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October 29, 2012 6:30:19 PM

Socialfox - intel doesn't always use all physical cores - the i7 has four physical and four hyperthreaded, and most of the mobile chips have at least half virtual cores. You are right though - architecture matters more than anything else, just like the only reliable measurement of a GPU is found in the Teraflops.
October 29, 2012 6:31:03 PM

Ok, Thank you very much, also, i know this is a bit off topic, but is there a way i can see when you guys have replyed, without chehcing my e.maile every 2 mins? thx again
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October 29, 2012 6:33:56 PM

log on to your Tom hardware account and when your in the forum section on the upper right hand of your screen should be three red boxes: profile, threads and messages. You should see a number by the thread box if you have a new reply.
October 29, 2012 6:34:10 PM

Ahhh, Thank you, BTW, the article is quite interesting :) 
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October 29, 2012 6:38:51 PM

Twinkletoes said:
Ahhh, Thank you, BTW, the article is quite interesting :) 


No problem, just found it in 10 seconds by googling significance of CPU architecture :p 
October 29, 2012 6:38:56 PM

:)  Cheers anyway
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October 29, 2012 6:41:53 PM

Drop by here if you have another question or just send a private message to me if you don't want to wait for a thread.

- Socialfox :) 
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October 29, 2012 6:45:02 PM

yarmock said:
What were your temps? I was thinking of going with a similar setup and overclocking.

Thanks.


I was in the mid 80c which is more than what I want to run on a 24/7 so I ended up running at 4.3GHz.
!