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post #1 of 19 (permalink) Old 05-22-2020, 06:49 PM - Thread Starter
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6700 K OC

Hi,

I'm looking at an OC for a 6700 K - Skylake CPU 4C/8T -This is on an AsRock Z170 Pro.Gaming i7 board - My 1st OC on an AsRock board.

The clock frequency I'm clocking is 4400 Mhz or 4.6 Ghz - And the cooler is the Corsair H150i on a test bench

I'm using P95 29.4 __and have struggled to find a stable v_core __This AsRock board has LLC (load line calibration 1__highest_setting_which causes v_rise__then setting_2_setting_3_setting_4_&_setting_5_which is the lowest setting which causes significant v_droop.

I will find the best settings but I'm concerned about the temperatures as they look too high in comparison to other CPU's I've clocked so far such as 3770 K etc...……..

83 81 77 80 in -C - Which is hotter than other Sandy & Ivy CPU's -

tj max is 100 C for 6700 K - 104 watts is the max draw so far

Is the 6700 K typically a CPU that people would delid? - And is the 6700 K a "hot" chip?

Last edited by fra z; 05-22-2020 at 07:00 PM.
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post #2 of 19 (permalink) Old 05-22-2020, 07:06 PM
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Quote: Originally Posted by fra z View Post
Hi,

I'm looking at an OC for a 6700 K - Skylake CPU 4C/8T -This is on an AsRock Z170 Pro.Gaming i7 board - My 1st OC on an AsRock board.

The clock frequency I'm clocking is 4400 Mhz or 4.6 Ghz - And the cooler is the Corsair H150i on a test bench

I'm using P95 29.4 __and have struggled to find a stable v_core __This AsRock board has LLC (load line calibration 1__highest_setting_which causes v_rise__then setting_2_setting_3_setting_4_&_setting_5_which is the lowest setting which causes significant v_droop.

I will find the best settings but I'm concerned about the temperatures as they look too high in comparison to other CPU's I've clocked so far such as 3770 K etc...……..

Is the 6700 K typically a CPU that people would delid? - And is the 6700 K a "hot" chip?

...it depends on your settings re. voltage and such, as well as rad, case airflow, ambient and such. That said, I have both a 3770K (delidded) and a 6700K (not delidded) in spare machines. The 6700K, which sits in a Gigabyte Z170 OC Force, is clocked at 4.8 GHz (3866 RAM) at 1.31v vCore and utilizing an older 240mm AIO. Temps comparable to 3770K and are perfectly fine at high 70c max on full stress with 21 c ambient.
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post #3 of 19 (permalink) Old 05-22-2020, 07:12 PM
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Found this
CpU voltage will vary.

Last edited by EastCoast; 05-22-2020 at 07:16 PM.
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post #4 of 19 (permalink) Old 05-22-2020, 07:37 PM - Thread Starter
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Hi,

20 mins just passed - temps - like___85_82_80_83__these are max temps @ 4.4 Ghz for this 6700 K

They are hotter than what I would have expected - Any OC'ers here I'd like to hear from you - Do these temps seem reasonable to you? - I think they're too high and dread to think what they'd be on air !!! - After OC'ing some of the IVY's such as E5_1680-V2 @ 4.3 Ghz and temps in their 50's and early 60's the temps for the 4C 6700 K seem way, way higher and sort of rule out a clock at 4.6 Ghz.

A 4.2 Ghz clock could be done to see how much lower the temps are possibly!
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post #5 of 19 (permalink) Old 05-22-2020, 07:39 PM
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Skylake and Kaby Lake basically require a delid. Some are better/worse than others but they're all generally pretty terrible.

Intel i9 9900K Coffee Lake @ X8 5309mhz (+47.5%)
AMD FX-8320 Vishera @ X4 5022mhz (+43.5%)
Intel i5 4690K Haswell @ X4 5013mhz (+43.2%)
AMD X4 960T Zosma @ X6 4870mhz (+62.3%)
Intel i7 6700 Skylake @ X4 4709mhz (+38.5%)
Intel i5 6400 Skylake @ X4 4588mhz (+69.9%)
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post #6 of 19 (permalink) Old 05-22-2020, 08:31 PM - Thread Starter
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Quote: Originally Posted by J7SC View Post
...it depends on your settings re. voltage and such, as well as rad, case airflow, ambient and such. That said, I have both a 3770K (delidded) and a 6700K (not delidded) in spare machines. The 6700K, which sits in a Gigabyte Z170 OC Force, is clocked at 4.8 GHz (3866 RAM) at 1.31v vCore and utilizing an older 240mm AIO. Temps comparable to 3770K and are perfectly fine at high 70c max on full stress with 21 c ambient.
Hi, great to hear from you.

This is the 1st Skylake OC - Ambient temps are higher currently - UK but still not that hot but just not cold

I just can't understand the high temps currently and in no way do they compare with my other OC's which are on Sandy / Ivy currently - 3930 K / & various i7's and Xeons (E5_26XX series)_version_0_&_v2. I'll keep looking into it and get back
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post #7 of 19 (permalink) Old 05-22-2020, 08:32 PM
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^^ I almost agree with Pook
Skylake & Kaby Lake 6 and 8 core will benefit from delidding a lot...for the 4 core 6700K, I don't think it is that critical. That said, I forgot that my 6700K is a handpicked 'ES' (engineering sample)
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post #8 of 19 (permalink) Old 05-22-2020, 10:09 PM - Thread Starter
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Quote: Originally Posted by The Pook View Post
Skylake and Kaby Lake basically require a delid. Some are better/worse than others but they're all generally pretty terrible.
Hi, I did read that the AVX 2 instructions of 6700 K could cause the extra heat - Heat wise it's in a different league "badly" to the IVY BRIDGE CPU's I've OC'd with ratio & base clock Xeons. This will be my 1st Skylake CPU OC @ 4.4 Ghz (which 3770 K did quite easily on air_under or around_70_C).

Now regarding a delid I do have a the bits needed but does the TIM need to be replaced periodically? - Have you de-lidded yourself.

Regarding temperatures, what are "dangerous" temeratures?

Right now P95 29.4 is running for around 15-20_mins and temps are max __85_82_80_83 (I'm not used to seeing them this high)___TJ_MAX_is__100_C__Are these temps really bad for the CPU (I would say yes_but I'm not sure how bad or what other users opinions are).

Not even [email protected]_4.6_Ghz hit the above temps !!!
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post #9 of 19 (permalink) Old 05-22-2020, 11:42 PM - Thread Starter
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Quote: Originally Posted by The Pook View Post
Skylake and Kaby Lake basically require a delid. Some are better/worse than others but they're all generally pretty terrible.
How does Coffee Lake do in comparison?
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post #10 of 19 (permalink) Old 05-22-2020, 11:47 PM - Thread Starter
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Quote: Originally Posted by J7SC View Post
^^ I almost agree with Pook
Skylake & Kaby Lake 6 and 8 core will benefit from delidding a lot...for the 4 core 6700K, I don't think it is that critical. That said, I forgot that my 6700K is a handpicked 'ES' (engineering sample)
Wow your temps are not bad___what were you doing to get these temps? - I'm @ 2hrs_now_P95_29.4_stress_test__temps_hottest_are__ 87_83_82_84 __from experience they don't get any hotter_1_hr_30_is_the hottest-core_even if the test carries on all day (which it won't)__
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