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post #1 of 41 (permalink) Old 05-19-2020, 10:03 AM - Thread Starter
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9900K Overclock/Temps help

Hello Everyone!
I am new to this forum and overclocking in particular. I built a new system few months ago and been playing with OC setting. The system is primarily used for gaming and light office work.

I am trying to determine if my overclock considered "safe" in terms of voltage/power for 24/7 use. It seems to me that temperatures i am observing are too high for custom water loop, compared to those temps I saw across the web.

My system specs:
9900K
Gigabyte Aorus Master Z390
Gskill 16GB [email protected] 1.35V
Ek Velocity CPU block
EK 011 Distro plate with ddc 3.1 pump ( swapped the impeller from 3.25 )
EK PE360 rad with EK Vardar 120 in Push
EK XE 360 rad with Vardars in the push and Arctic p120 in pull ( RPM normalized )
GTX 1070 Strix ( leftover from the previous PC)

I am currently running two profiles: stock "undervolt" and 5.0. Both t passes through P95 no avx 4 hrs, avx 4 hrs, Realbench, IBT 2.54, OCCT all setting, CBR20 and CBR15.
For both profiles, I use a custom fan/pump config. Flow rate is at ~0.5GPM at idle and ~1.4GPM at load, fans speed configured to work based on coolant temp: up to 27C - 500RPM, 28C - 600RPM, 29C- 900RPM, 30C - 1100RPM, 31C+ - 1200 RPM ). My usual ambient temp is between 20C-24C. Highest dT between Ambient/water I saw was 9C after 4 hours of P95 at 1200rpm on the fans
Stock undervolt:
Core: 47x
Ring: 43x
AVX offset 0
Voltage: Normal ( adaptive ), -0.020 offset
LLC: Low
AC/DC Loadline: Power saving
PWM switch rate: 300 MHZ
All C states, power limits, and power saving features are disabled
XMP Ram - [email protected], 1.35V, VCCIO - 1.15V, VCCSA - 1.2V

The temp test was conducted at 23C - 23.5C ambient temp. At idle it sits around 30-32C across cores and at 1.178V at VRVOUT. before running stress tests, i "heat-soaked" the loop by running prime 95 29.8 with AVX for 1 hour.

OCCT AVX Small Data set:
66 max temp, VRVOUT 1.105V, [email protected]

P95 29.8 AVX:
76 max temp, VRVOUT 1.109-1.115, [email protected]

CBR20 (loops):
65 max, VRVOUT 1.117-1.141, [email protected]

It seems pretty hot for stock undervolt. OFC, things get worse with 5.0 OC:

5.0 OC
Core: 50x
Ring: 47x
AVX offset 1
Voltage: Normal ( adaptive ), -0.100 offset
LLC: Low
AC/DC Loadline: auto
PWM switch rate: 300 MHZ
All C states, power limits, and power saving features are disabled
XMP Ram - [email protected], 1.35V, VCCIO - 1.15V, VCCSA - 1.2V

OCCT NO AVX Small Data set:
83 max temp, VRVOUT 1.252V, [email protected]

P95 29.8 AVX:
88 max temp, VRVOUT 1.207, [email protected]

CBR20 (loops):
81 max, VRVOUT 1.262, [email protected]

Same ambient of 23-23.5C, the cores at idle sit at 34-35C. VRVOUT is 1.307-1.315. there is a spike up to 1.35V when the load changes ( ex. when I stop P95 )
I also find odd that with increased load the gap between hottest and coolest core goes up to 10C - Core 1 and 7 being the coolest and Core 2 and 4 the hottest.

I tried to re-seat the CPU block multiple times. The TIM used is Cryonaut. below are the screenshots from HWinfo for all the above-mentioned tests. EC_TEMP2 is the coolant temperature - I have a sensor in the bottom radiator where water exiting back to the res.

Attached screenshots of HWinfo for all the tests I did. ThankS~!
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Name:	CBR20 4.7.png
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Name:	4.7 P95 29.8 AVX small fft.png
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ID:	347414  

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Name:	4.7 OCCT AVX Small fft.png
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ID:	347416  


Vivid Violet
(14 items)
CPU
9900k
Motherboard
Gigabyte Aorus Master z390
GPU
Asus GTX 1070 Strix
RAM
Gskill TridentZ Neo
Hard Drive
Samsung 970 Evo+
Power Supply
EVGA G2
Cooling
EK Velocity CPU block
Cooling
EK XE 360
Cooling
EK PE 360
Cooling
O11D Distro Plate
Cooling
DDC 3.1 PWM (impeller from 3.25)
Case
LianLi O11 Dynamic XL
Monitor
LG GN 750B
Audio
AudioTechnica ATH-M50
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Last edited by Hawkjoss; 05-19-2020 at 11:09 AM.
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post #2 of 41 (permalink) Old 05-19-2020, 10:06 AM
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Welcome to world where 60 degrees is seen as amazing temps.


Some chips run hotter then others. I was seeing the same thing with mine. Delidding and going direct die helped a lot. Plus I got lazy and just used one of the 5ghz OC profiles so likely running lower then I can

My Baby
(23 items)
CPU
Delidded Direct Die I9 9900K
Motherboard
ASUS Maximus XI Apex
GPU
EVGA FTW3 Hydro Copper GeForce RTX 2080 Ti
RAM
G.SKILL TridentZ Series 16GB DDR4 3600 F4-3600C15D-16GTZ
Hard Drive
2x Samsung 970 EVO Plus 1TB
Hard Drive
Asus Hyper M.2 card
Hard Drive
2 x Intel 660P 2TB
Power Supply
Seasonic PRIME Ultra 1000 Titanium
Cooling
Optimus Signature V2
Cooling
2x Swiftech MCP35X2 with MCP35X2 Heat Sink w/ 2x NB-BlackSilent Pro's
Cooling
2x Hardware Labs Black Ice Nemesis 560GTX w/ 8x Arctic P14 PST PWM's
Cooling
2x Hardware Labs Black Ice Nemesis 480GTX w/ 16x Noctua NF-A12x25 PWM
Cooling
Aquacomputer aqualis XT 450 ml with nano coating
Cooling
9x Noctua NF-S12A PWM
Cooling
Hardware Labs Black Ice Nemesis 360GTS w/ 6 Arctic P12 PST PWM's
Case
Case Labs Magnum TH10A with Pedestal
Monitor
Asus PG278Q
Keyboard
Das Keyboard 5Q
Mouse
Swiftpoint Z
Audio
Light Harmonic Oscar XXI
Audio
Geek Pulse Inifnity DAC/AMP
Audio
Cavalii Audio Liquid Carbon HPA
Other
Aquacomputer Aquaero XT
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post #3 of 41 (permalink) Old 05-19-2020, 10:14 AM - Thread Starter
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Thank you for reply!
I had thoughts about delid but not mentally ready for it. yet =)

Aslo i found weird that at default settings my mobo tries to push insane amount of voltage to the CPU.
With optimized defaults it reads 1.26 in BIOS for stock and 1.456 (!!!) for 5.0 OC. Aslo, with AC/DC set on auto, VID numbers are looking strangely high.

I am currently on F11C bios, seems the latest out there.

Vivid Violet
(14 items)
CPU
9900k
Motherboard
Gigabyte Aorus Master z390
GPU
Asus GTX 1070 Strix
RAM
Gskill TridentZ Neo
Hard Drive
Samsung 970 Evo+
Power Supply
EVGA G2
Cooling
EK Velocity CPU block
Cooling
EK XE 360
Cooling
EK PE 360
Cooling
O11D Distro Plate
Cooling
DDC 3.1 PWM (impeller from 3.25)
Case
LianLi O11 Dynamic XL
Monitor
LG GN 750B
Audio
AudioTechnica ATH-M50
▲ hide details ▲
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post #4 of 41 (permalink) Old 05-19-2020, 10:22 AM
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"P95 29.8 AVX:
88 max temp, VRVOUT 1.207, [email protected]"

Good deal. My 9900k would have BSOD'd @ VR....

22643 Time Spy https://www.3dmark.com/3dm/46344026?

https://folding.extremeoverclocking....e.php?u=207393
White Lightning
(12 items)
CPU
i7 9700k @ 5.1GHz 1.385v
Motherboard
ASUS Prime Z390-A
GPU
Evga 2080 Ti Black Gamer
RAM
32GB GSkill TridentZ DDR4 3600
Hard Drive
2 x 1 TB Samsung EVO 970 Raid 0
Power Supply
EVGA 1000w
Cooling
Corsair H150i Pro
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post #5 of 41 (permalink) Old 05-19-2020, 10:23 AM
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Using the Rockit cool kit, if you damage the CPU they will replace it.
It's super easy to do

My Baby
(23 items)
CPU
Delidded Direct Die I9 9900K
Motherboard
ASUS Maximus XI Apex
GPU
EVGA FTW3 Hydro Copper GeForce RTX 2080 Ti
RAM
G.SKILL TridentZ Series 16GB DDR4 3600 F4-3600C15D-16GTZ
Hard Drive
2x Samsung 970 EVO Plus 1TB
Hard Drive
Asus Hyper M.2 card
Hard Drive
2 x Intel 660P 2TB
Power Supply
Seasonic PRIME Ultra 1000 Titanium
Cooling
Optimus Signature V2
Cooling
2x Swiftech MCP35X2 with MCP35X2 Heat Sink w/ 2x NB-BlackSilent Pro's
Cooling
2x Hardware Labs Black Ice Nemesis 560GTX w/ 8x Arctic P14 PST PWM's
Cooling
2x Hardware Labs Black Ice Nemesis 480GTX w/ 16x Noctua NF-A12x25 PWM
Cooling
Aquacomputer aqualis XT 450 ml with nano coating
Cooling
9x Noctua NF-S12A PWM
Cooling
Hardware Labs Black Ice Nemesis 360GTS w/ 6 Arctic P12 PST PWM's
Case
Case Labs Magnum TH10A with Pedestal
Monitor
Asus PG278Q
Keyboard
Das Keyboard 5Q
Mouse
Swiftpoint Z
Audio
Light Harmonic Oscar XXI
Audio
Geek Pulse Inifnity DAC/AMP
Audio
Cavalii Audio Liquid Carbon HPA
Other
Aquacomputer Aquaero XT
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post #6 of 41 (permalink) Old 05-19-2020, 10:48 AM - Thread Starter
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Seems interesting... If I understand correctly, by removing IHS you reduce the overall hight of CPU, thus reducing the contact pressure between the block/CPU. Will standard mounting standoffs on EK Velocity tolerate the reduced hight? will it still make good contact?
I also read that Velocity block is made slightly convex to fit intell heat spreader - does it need to be lapped when going direct die?

Vivid Violet
(14 items)
CPU
9900k
Motherboard
Gigabyte Aorus Master z390
GPU
Asus GTX 1070 Strix
RAM
Gskill TridentZ Neo
Hard Drive
Samsung 970 Evo+
Power Supply
EVGA G2
Cooling
EK Velocity CPU block
Cooling
EK XE 360
Cooling
EK PE 360
Cooling
O11D Distro Plate
Cooling
DDC 3.1 PWM (impeller from 3.25)
Case
LianLi O11 Dynamic XL
Monitor
LG GN 750B
Audio
AudioTechnica ATH-M50
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post #7 of 41 (permalink) Old 05-19-2020, 10:55 AM - Thread Starter
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Did I get confused with power readings from HW info? - which ones are the most accurate? the higher the load, the bigger difference it shows. The reading below are for CBR20 run at 4.7
Attached Thumbnails
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ID:	347432  

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ID:	347434  


Vivid Violet
(14 items)
CPU
9900k
Motherboard
Gigabyte Aorus Master z390
GPU
Asus GTX 1070 Strix
RAM
Gskill TridentZ Neo
Hard Drive
Samsung 970 Evo+
Power Supply
EVGA G2
Cooling
EK Velocity CPU block
Cooling
EK XE 360
Cooling
EK PE 360
Cooling
O11D Distro Plate
Cooling
DDC 3.1 PWM (impeller from 3.25)
Case
LianLi O11 Dynamic XL
Monitor
LG GN 750B
Audio
AudioTechnica ATH-M50
▲ hide details ▲
Hawkjoss is offline  
post #8 of 41 (permalink) Old 05-19-2020, 11:03 AM
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Quote: Originally Posted by Hawkjoss View Post
Seems interesting... If I understand correctly, by removing IHS you reduce the overall hight of CPU, thus reducing the contact pressure between the block/CPU. Will standard mounting standoffs on EK Velocity tolerate the reduced hight? will it still make good contact?
I also read that Velocity block is made slightly convex to fit intell heat spreader - does it need to be lapped when going direct die?
You may receive better results with other blocks, I only used Heatkiller IV Pro and Optimus Signature for direct Die. Also should depend on the direct die mounting kit. RockCool's kit isn't the same as D8auser or whatever the name is.
Generally you can get away with removing the washers for a good contact.

My Baby
(23 items)
CPU
Delidded Direct Die I9 9900K
Motherboard
ASUS Maximus XI Apex
GPU
EVGA FTW3 Hydro Copper GeForce RTX 2080 Ti
RAM
G.SKILL TridentZ Series 16GB DDR4 3600 F4-3600C15D-16GTZ
Hard Drive
2x Samsung 970 EVO Plus 1TB
Hard Drive
Asus Hyper M.2 card
Hard Drive
2 x Intel 660P 2TB
Power Supply
Seasonic PRIME Ultra 1000 Titanium
Cooling
Optimus Signature V2
Cooling
2x Swiftech MCP35X2 with MCP35X2 Heat Sink w/ 2x NB-BlackSilent Pro's
Cooling
2x Hardware Labs Black Ice Nemesis 560GTX w/ 8x Arctic P14 PST PWM's
Cooling
2x Hardware Labs Black Ice Nemesis 480GTX w/ 16x Noctua NF-A12x25 PWM
Cooling
Aquacomputer aqualis XT 450 ml with nano coating
Cooling
9x Noctua NF-S12A PWM
Cooling
Hardware Labs Black Ice Nemesis 360GTS w/ 6 Arctic P12 PST PWM's
Case
Case Labs Magnum TH10A with Pedestal
Monitor
Asus PG278Q
Keyboard
Das Keyboard 5Q
Mouse
Swiftpoint Z
Audio
Light Harmonic Oscar XXI
Audio
Geek Pulse Inifnity DAC/AMP
Audio
Cavalii Audio Liquid Carbon HPA
Other
Aquacomputer Aquaero XT
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post #9 of 41 (permalink) Old 05-19-2020, 11:12 AM - Thread Starter
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Should I try removing washers on CPU standoffs NOW and see if the temps would drop?

Spoiler!

Vivid Violet
(14 items)
CPU
9900k
Motherboard
Gigabyte Aorus Master z390
GPU
Asus GTX 1070 Strix
RAM
Gskill TridentZ Neo
Hard Drive
Samsung 970 Evo+
Power Supply
EVGA G2
Cooling
EK Velocity CPU block
Cooling
EK XE 360
Cooling
EK PE 360
Cooling
O11D Distro Plate
Cooling
DDC 3.1 PWM (impeller from 3.25)
Case
LianLi O11 Dynamic XL
Monitor
LG GN 750B
Audio
AudioTechnica ATH-M50
▲ hide details ▲

Last edited by Hawkjoss; 05-19-2020 at 11:20 AM.
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post #10 of 41 (permalink) Old 05-19-2020, 11:14 AM
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Quote: Originally Posted by Hawkjoss View Post
Should I try removing washers on CPU standoffs NOW and see if the temps would drop?
Can't hurt. If don't want to go direct die you could delid and then get the Rockit IHS. Flatter and better then Intel's.

My Baby
(23 items)
CPU
Delidded Direct Die I9 9900K
Motherboard
ASUS Maximus XI Apex
GPU
EVGA FTW3 Hydro Copper GeForce RTX 2080 Ti
RAM
G.SKILL TridentZ Series 16GB DDR4 3600 F4-3600C15D-16GTZ
Hard Drive
2x Samsung 970 EVO Plus 1TB
Hard Drive
Asus Hyper M.2 card
Hard Drive
2 x Intel 660P 2TB
Power Supply
Seasonic PRIME Ultra 1000 Titanium
Cooling
Optimus Signature V2
Cooling
2x Swiftech MCP35X2 with MCP35X2 Heat Sink w/ 2x NB-BlackSilent Pro's
Cooling
2x Hardware Labs Black Ice Nemesis 560GTX w/ 8x Arctic P14 PST PWM's
Cooling
2x Hardware Labs Black Ice Nemesis 480GTX w/ 16x Noctua NF-A12x25 PWM
Cooling
Aquacomputer aqualis XT 450 ml with nano coating
Cooling
9x Noctua NF-S12A PWM
Cooling
Hardware Labs Black Ice Nemesis 360GTS w/ 6 Arctic P12 PST PWM's
Case
Case Labs Magnum TH10A with Pedestal
Monitor
Asus PG278Q
Keyboard
Das Keyboard 5Q
Mouse
Swiftpoint Z
Audio
Light Harmonic Oscar XXI
Audio
Geek Pulse Inifnity DAC/AMP
Audio
Cavalii Audio Liquid Carbon HPA
Other
Aquacomputer Aquaero XT
▲ hide details ▲
Shawnb99 is online now  
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