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Intel Core i5 750 Review - Overclocking Phase-Change vs LN2

CPU by massman @ 2009-09-13

Intel´s latest CPU is put to the test against their own Core 2/Quad and Core i7 series, as well as AMD´s Phenom II. We wrap up the testing with an overclocking session using phase-change and LN2 Cooling. Does the Core i5 and S1156 i7 impress? Let us find out

Core i5 overclocking: Phase-change cooling

Stage 2: Single

(Click to enlarge)

As for this page in the article, I had originally nothing planned. However, MSI asked me to send this chip back in order to receive an i5 750 retail so the night before the chip went back to the MSI labs I mounting the modified Mach2 unit and hoped I could get something decent out of this chip. In the end, I was actually quite surprised by the quality or rather, by the scaling with the turbo multipliers. At multiplier 22x I was rather quickly maxed out with a maximum of 214MHz BCLK, but using the 25x multiplier for single core benching turned out to be a winner.

Here are the results:

Madshrimps (c)

Link: http://valid.canardpc.com/show_oc.php?id=674972

(Click to enlarge)

Comment from Massman @ 2009/09/13

As said: a lot more to digg into. Expect more overclocking action, more motherboards, more turbo mode testing, more memory testing ...

Much more

Comment from Diegis0n @ 2009/09/14

Great work PJ!

It makes me count my money and try to get a i5 platform

UD3 + 750: 277€, surprisingly affordable since i can sell C2 combo out for ~200.

I'll be ready for some action in a few months btw, lots of hardware will become "available"

Comment from Kougar @ 2009/09/14

Nice article... Looks like Turbo Mode will make subzero OC'ing rather interesting...

Quote:

just think about the secrecy with which AMD developed its new HD58xx series: so close to the launch and publicly no one has a real clue about its performance.

Spoke too soon.

Still, is a very valid point. The entire NDA situation with Lynnfield is not just absurd, it is plain stupid.

Comment from thorgal @ 2009/09/15

Seems you woke up someone at Anandtech LOL. One day after your article they present a clock comparison themselves

Comment from Diegis0n @ 2009/09/15

I well prefer PJ's writing skills; at least there's some nice pictures to look at

Comment from bartx @ 2009/09/16

Nice work. I like reviews from [M]

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