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Guru3D.com » News » Intel Core i7 7700K Overclocked to 7 GHz

Intel Core i7 7700K Overclocked to 7 GHz

by Hilbert Hagedoorn on: 12/27/2016 05:52 AM | source: | 21 comment(s)
Intel Core i7 7700K Overclocked to 7 GHz

As you guys know we tested the Core i5 7600K already, Kaby Lake  shows little IPC gains.  They do overclock reasonably well. There's always guys who that takes it a step further, and with the help of some exotic cooling, you are bound to achieve success, in this case 7 GHz.

So with a Core i7-7700K sample at hand, overclocker Allen "Splave" Golibersuch reached that 7 GHz clock frequency. There's a few things that need to be said though, first he had to disable HyperThreading to maintain stability, secondly, it was only on two cores as he had to disable two out of four of them to achieve a stable 7 GHz.

He popped that proc on an ASRock Z170 OC Formula motherboard and thus managed that 7022.96 MHz with a combination of a multiplier of 69x with a 101.78 MHz base-clock.

The voltage needed ? Well, you can get scared now .. it was 2.00V. The 7700K with it's two cores active managed to do a PiFast run in 9.02 seconds and SuperPi 2M in 4 minutes 20.25 seconds. wPrime finished in 2.953 seconds 32M run and last but not least wPrime 1024M in 1 minute 33.171 seconds. 

The blog post of the overclocker did not mention coolling, we assume it was dry ice or liquid nitrogen based on the massive 2.00 Volts on the CPU core.



Intel Core i7 7700K Overclocked to 7 GHz




« Bykski Releases FR-CU-RA CPU Water Blocks · Intel Core i7 7700K Overclocked to 7 GHz · Tesla Gigafactory Taking Shape In 4K Drone Footage »

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Izi Cheeseborn
Member



Posts: 74
Joined: 2016-12-26

#5375221 Posted on: 12/27/2016 06:49 AM
Pappa pia! That's one ice cool p-p-processor.

Irenicus
Senior Member



Posts: 578
Joined: 2015-05-03

#5375228 Posted on: 12/27/2016 07:06 AM
7ghz! Holy cow!

It's crazy thesedays the clockspeeds that can be achieved. I remember when a 1.4ghz CPU was fast! lol

fry178
Senior Member



Posts: 1661
Joined: 2012-04-30

#5375229 Posted on: 12/27/2016 07:07 AM
i would like to see those ocing "records" to be on all cores, w HT enabled.
even if almost no one will cool with LN2 or ice for more than a bench,
but shutting down 80% of a cpu to get there, is not really a record to me.

Matt26LFC
Senior Member



Posts: 3095
Joined: 2008-01-06

#5375248 Posted on: 12/27/2016 10:01 AM
Kaby Lake is going to be fun to OC!

All cores active he managed 6.7GHz in Wprime1024, this wasn't even a binned chip, just straight up retail, so given more time and binning these results will only get better

All done on Ln2, will try buy myself one in the new year!

entr0cks
Member



Posts: 95
Joined: 2010-06-18

#5375257 Posted on: 12/27/2016 10:54 AM
7ghz! Holy cow!

It's crazy thesedays the clockspeeds that can be achieved. I remember when a 1.4ghz CPU was fast! lol

I had a 500MHz Pentium III when I was little, had it always at 800MHz.
Last game it played was Battlefield 2 - below spec but often top ranking :P

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