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> Skylake/Kaby Lake/Coffee Lake OverClocking V1, Show off your OC here

reconvision
post Jan 9 2018, 11:50 AM

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QUOTE(owikh84 @ Jan 9 2018, 10:26 AM)
Seems like the thermal results very from one review to another so I think we will need to read more reviews to compare. Different review sites used different CPUs and software to stress the coolers.

Mainstream Intel CPUs from Ivy Bridge till the newest Coffee Lake themselves have inefficient stock thermal paste and excessive gap underneath the IHS so these factors also need to be taken into the account. The thermal results won't be as accurate as the ones tested on the enthusiast-class CPUs (ie. 3930K etc) with soldered thermal interface. Furthermore, bigger chips like the 3930K have larger contact surface than the smaller CPUs.

G3D: performs similarly compared to Kraken X62 (based on 4790K)

Vortez: beats Kraken X62 by 13C (based on 3930K)

OC3D: outperforms Kraken X62 by 14.5C (7700K @ 5.0GHz)
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Totally agree with you. I think the most resemble one to i7 8700k will be the i7 7700k oc to 5ghz from OCD. The result is astounding.
wongtheboy92
post Jan 12 2018, 05:07 PM

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QUOTE(owikh84 @ Jan 9 2018, 10:26 AM)
Seems like the thermal results vary from one review to another so I think we will need to read more reviews to compare. Different review sites used different CPUs and software to stress the coolers.

Mainstream Intel CPUs from Ivy Bridge till the newest Coffee Lake themselves have inefficient stock thermal paste and excessive gap underneath the IHS so these factors also need to be taken into the account. The thermal results won't be as accurate as the ones tested on the enthusiast-class CPUs (ie. 3930K etc) with soldered thermal interface. Furthermore, bigger chips like the 3930K have larger contact surface than the smaller CPUs.

G3D: performs similarly compared to Kraken X62 (based on 4790K)

Vortez: beats Kraken X62 by 13C (based on 3930K)

OC3D: outperforms Kraken X62 by 14.5C (7700K @ 5.0GHz)
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After all these years, you are still an enthusiastic overclocker who always do a lot of tests and reviews. Really thank you for surviving the "cpu overclocking" thread. And your 8700k bench scores are great, low Vcore @5.0 GHZ!
owikh84
post Jan 12 2018, 10:05 PM

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QUOTE(wongtheboy92 @ Jan 12 2018, 05:07 PM)
After all these years, you are still an enthusiastic overclocker who always do a lot of tests and reviews. Really thank you for surviving the "cpu overclocking" thread. And your 8700k bench scores are great, low Vcore @5.0 GHZ!
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Thanks for your kind words... ehh without support from you guys this thread will be dead.
Regarding the low vcore 5GHz OC, I think I am just lucky to have found a nice chip.
No need to resell and buy another chip just to bin for better one like the old days.
wongtheboy92
post Jan 12 2018, 10:41 PM

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QUOTE(owikh84 @ Jan 12 2018, 10:05 PM)
Thanks for your kind words... ehh without support from you guys this thread will be dead.
Regarding the low vcore 5GHz OC, I think I am just lucky to have found a nice chip.
No need to resell and buy another chip just to bin for better one like the old days.
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Did you still buy a lot of chip for lottery back in 4th, 6th gen? Back in our ivy bridge, a lot of people did that! Could it be due to good cooling and you able to lower the vcore to run at around 6x C during bench?
owikh84
post Jan 12 2018, 11:21 PM

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QUOTE(wongtheboy92 @ Jan 12 2018, 10:41 PM)
Did you still buy a lot of chip for lottery back in 4th, 6th gen? Back in our ivy bridge, a lot of people did that! Could it be due to good cooling and you able to lower the vcore to run at around 6x C during bench?
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Yes, rechecking my paypal account found that I really wasted a lot of money just to buy from forumers who were willing to let go their good chips. My aim has been 5GHz at low vcore until now lol. Below is the list:

2600K 5.7GHz - $700 USD from XS forumer

3770K 6.75GHz - $600 USD from XS forumer
3770K IMC 2800+ - $450 USD from XS forumer
3770K IMC 2933+ - $480 USD from XS forumer

4770K x2 new - both were bad chips, didn't want to spend money to buy again
6700K x1 new - bad chip, lazy to bin
7700K x4 new - only one of them doing 5GHz @ 1.28v+
8700K x1 new - first chip strikes silicon lottery thumbup.gif

Good cooling is one thing, but most importantly is of course draw of luck in finding a decent chip with low stock voltage (VID).

This post has been edited by owikh84: Jan 12 2018, 11:24 PM

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