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amd vs. intel clock for clock questions.

post #1 of 16
Thread Starter 
Hi. made this thread for the sake of learning. might be a good read for some members as well so I decided to ask this question.
I was wondering how the two compares clock for clock. I've googled a bit and searched the forums but I can't seem to find a good estimate on how much intel is faster than amd

so if a core i5 750 is clocked at 4ghz how high should a Phenom II x4 be clocked to be able to match its performance?

also the difference clock for clock between a core i5 2500k vs. core i5 750.

an i5 2500k @ 4ghz = i5 750 @ __ ? etc.

TIA ocn. I'd really appreciate your quick replies smile.gif
Edited by jprovido - 11/18/11 at 8:57am
post #2 of 16
Hasn't people said that it would take a 5ghz phenom ii x4 to match a 3.3ghz 2500K?
post #3 of 16
Thread Starter 
Quote:
Originally Posted by Don Karnage View Post

Hasn't people said that it would take a 5ghz phenom ii x4 to match a 3.3ghz 2500K?

is that info accurate? i know intel is much faster clock for clock but I wanna know by how much. and also I Just made a quick estimate with a FX chip. apparently it needs to be at 4.8ghz to match a Phenom II at 4ghz clock for clock not sure if right tho

I hope the cpu gurus can share their knowledge about this. I'm really curious how much they actually match up
Edited by jprovido - 11/18/11 at 9:08am
post #4 of 16
Thread Starter 
wrong post. deleted -.-"
post #5 of 16
would be interesting to know since my i3 2100 3.1GHZ HT on kicks my old AMD 640 x4 @3.6GHZ in the @$$ in everything games to multithreaded apps
post #6 of 16
the phenom 2 should be (theoretically) @ 5.3-5.4GHz to match an i5 750 @ 4.0GHz, and the i5 750 should be @ 4.6-4.7GHz to match an i5 2500k @ 4ghz

So take the ratio and calculate for other cpus.

Hope this helps smile.gif tho this is my opinion, could be a bit wrong but am sure it is close.
Edited by megahmad - 11/18/11 at 6:35pm
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Canismajor
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post #7 of 16
Thread Starter 
Quote:
Originally Posted by craigs911 View Post

would be interesting to know since my i3 2100 3.1GHZ HT on kicks my old AMD 640 x4 @3.6GHZ in the @$$ in everything games to multithreaded apps

yup. I hope the gurus can share us some infos frown.gif I've been waiting for hours huhu
post #8 of 16
Thread Starter 
Quote:
Originally Posted by megahmad View Post

the phenom 2 should be (theoretically) @ 5.3-5.4GHz to match an i5 750 @ 4.0GHz, and the i5 750 should be @ 4.6-4.7GHz to match an i5 2500k @ 4ghz
Hope this helps smile.gif tho this is my opinion, could be a bit wrong but am sure it is close.

aren't those estimates a bit far off. I don't think a i5 750 would need 4.6-4.7 to match a 4ghz 2500k. I want to know this really badly frown.gif
post #9 of 16
The sandy bridge (for example 2500k) is up to 10-15% faster clock-for-clock than the i5 750 (Lynnfield) and the sandy bridge i7 (2600k) 10% faster clock-for-clock than the i7 9xx (Bloomfield) series.
as for intel vs amd, the intel cpus in general can be 15% up to 35% faster clock-for-clock.
Edited by megahmad - 11/18/11 at 6:43pm
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post #10 of 16
Thread Starter 
so it needs a phenom II x4 to be at 5.4ghz to match an i5 2500k @ 4ghz.

an FX4100(quadcore) need about 4.8ghz to match a 4ghz phenom II x4

so if my math is right then a FX4100 needs 6480mHz to match an i5 2500k at 4ghz. seeing how i5 2500k overclocks about 4.8ghz in average a FX quad core needs to be clocked at 7.6-7.7ghz to match its performance? I could be way off here please correct me
Edited by jprovido - 11/18/11 at 7:37pm
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