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post #1 of 8 (permalink) Old 06-26-2019, 12:23 AM - Thread Starter
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CPU temps creeping....

I was curious if anyone is aware of intel internal thermal substance goes bad over time...

I ask this because I am running an old CPU in my current rig waiting out the release of Zen 2 here in a few months, but something i have noticed since switching my old rig from air to full custom watercooled is the CPU temp is always the hottest part in the system and seems to have increased in temps just slightly since building the rig 9 months ago...

The system:

Corsair 1000D
4x RX480 rads
26x Noctua Relux pressure fans

Intel i7 4770k
2x EVGA GTX1080ti SLI

I am using Heatkillers PRO series CPU and GPU blocks in the rig....

Idling the system, the GPUs sit at 21c and rise to the high 20s during gaming.... typically between 27-29c
The CPU idles 21c, but rises to the low 40s during gaming... when i first built this rig the CPU would max out at 39c during gaming...

Recently i pulled the CPU off to check thermal paste and placed new thermal paste on the CPU with no change in the temps... I'm using thermal grizzly Kryonaut on both CPU and GPU
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post #2 of 8 (permalink) Old 06-26-2019, 01:25 AM
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Is it summer where you are? A few degrees difference is nothing to worry about, the temperature in the room could be affecting it from the last time you monitored. Low 40's is nothing to worry about.
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post #3 of 8 (permalink) Old 06-26-2019, 03:18 AM - Thread Starter
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Quote: Originally Posted by anti-clockwize View Post
Is it summer where you are? A few degrees difference is nothing to worry about, the temperature in the room could be affecting it from the last time you monitored. Low 40's is nothing to worry about.
I run the main house at 78F, but I installed a 120v 6k BTU pioneer mini-split in my office keeping the room at 72F about 6 years ago, so I could close the door to the room and game/work since the home a/c just didn't cool the room properly if I closed the door. I work on the computer as a realtor a lot, so I wanted to be comfortable in the room I worked in. I also replaced the room door with an insulated door meant for the front door of a house and insulated the room with Rockwool to stop the sound traveling in and out of the room, because the interior walls were hollow.
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post #4 of 8 (permalink) Old 06-26-2019, 04:01 AM
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You're good. Those temps are better then mine on a similar configured rig.

-Guide to 1st Case Modding for Better GPU(s) Performance/Cooling-
https://www.overclock.net/case-mod-wo...ing-guide
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(17 items)
Bit'O'Heaven
(16 items)
CPU
RYZEN 7 3700X
Motherboard
ASUS TUF GAMING X570-PLUS
GPU
MSI Radeon RX 5700 XT
RAM
G.SKILL Ripjaws V Series 32GB (2x16GB) DDR4 3600 16-19-19-39 CL 16 1.35V
Hard Drive
Corsair Force Series Gen.4 PCIe MP600 500GB NVMe M.2 SSD
Hard Drive
Seagate BarraCuda ST3000DM008 3TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" HDD
Optical Drive
LG 16X SATA Blu-Ray Internal Rewriter with 3D Playback and M-DISC Support BH16NS40
Power Supply
Fractal Design Ion+ 860P 80 PLUS Platinum Certified 860W Full Modular
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Noctua NH-D15
Case
Veddha GriderCase alpha V1
Operating System
Win 10 Pro 64bit
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Nixeus EDG 27" IPS Freesync 1440p 144Hz
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post #5 of 8 (permalink) Old 06-26-2019, 04:42 AM
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Maybe it's related to newer versions of the CPU "microcode" that were released for the "Spectre" and "Meltdown" security issues? When the microcode updates came out, people noticed that their overclock settings behaved differently and needed more Vcore for stability. Perhaps the different behavior also causes a change in temperatures?

This "microcode" thing is first loaded into the CPU by the motherboard when you power on the computer. Then later when Windows boots, it can also load a version of the microcode into the CPU. This means the CPU microcode version you are using can change by itself through a Windows update without you doing anything.
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post #6 of 8 (permalink) Old 06-26-2019, 04:47 AM
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It’s possible you have a small build up of crude in the CPU block. When was the last time it was opened up and inspected?

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post #7 of 8 (permalink) Old 06-26-2019, 05:37 AM - Thread Starter
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Quote: Originally Posted by apw63 View Post
It’s possible you have a small build up of crude in the CPU block. When was the last time it was opened up and inspected?
Actually that was something i was concerned of also, being my first watercooled system and going the route of just pure distilled water with antibacterial added, so when i redid the thermal paste, i took the cpu block apart and this is how it looked after 9 months of use... i found no residue on anything i inspected...
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post #8 of 8 (permalink) Old 06-26-2019, 05:57 AM
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Hi,
This could easily just be paste application difference.

CPU
i9-9940x With Optimus SigV2 and Heatkiller VRM copper-plexi water block
Motherboard
ASUS x299 Rampage VI Apex
GPU
Titan Xp with copper-plexi Water Block
RAM
Trident Z 3600C16 4x8gb's b-die default timings 16-16-16-36 F4-3600C16Q-32GTZKK
Hard Drive
Samsung 970 Evo Plus 500gb M.2/ Samsung 850 Pro 256gb for os and 500gb evo for favorite games plus other wd hdd's for data and backup's
Optical Drive
LG Blu-Ray WH16NS40
Power Supply
evga 1200p2
Cooling
D5 pump reservoir combo/ GTX280/ VRM block/ GTX280/ D5 top/ CPU block/ GPU block/ Mora 360/ repeat.
Cooling
MO-RA3 360 PRO stainless steel (25022)
Case
corsair 450D with added 2nd floor to house radiator on top
Operating System
Win-7 pro & 10 pro Win-7 Primary os.
Monitor
ASUS VG248QE 24" 144Hz
Keyboard
Logitech G910 Orion spectrum
Mouse
Redragon Perdition
Audio
Built in realtek and Insignia 2.0 soundbar HSB318
CPU
10900k batch # X016E724 with Optimus Foundation water block
Motherboard
z490 ASUS Maximus XII Apex
GPU
EVGA 1080ti FTW3 with Water block
RAM
Trident-Z 3600c16 4x8gb kit 16-16-16-36 F4-3600C16Q-32GTZSW
Hard Drive
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Hard Drive
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Optical Drive
LG Blu-Ray WH16NS40
Power Supply
EVGA 1000P2
Cooling
D5 reservior combo/ 240GTX/ 240GTX/ D5 Top/ CPU block/ Gpu block/ Mora 360LT/ back to reservoir
Cooling
Mora 360LT black 25000
Case
Corsair 450D with added 2nd floor to house radiator on top
Keyboard
Logitech G710+
Mouse
Red Dragon Perdition
CPU
i7-5930k with Heatkiller IV Pro Plexi-Copper and koolance vrm water blocks
Motherboard
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GPU
EVGA 1080ti FTW3 with Water block
RAM
Trident-Z 3200C14 4x8gb's b-die default timings 14-14-14-34
Hard Drive
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Optical Drive
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Power Supply
EVGA 1000-P2
Cooling
D5 reservior combo/ 240GTX/ Koolance VRM block/ 240GTX/ D5 Top/ CPU block/ Gpu block/ Mora 360LT/ back to reservoir
Cooling
Mora 360LT black 25000
Case
Corsair 450D with added 2nd floor to house radiator on top
Operating System
Win-7 and 10 pro Win-7 Primary os.
Monitor
AOC G2460PG 24"G-Sync 144Hz
Keyboard
Logitech G710+
Mouse
Red Dragon Perdition
Audio
Built in realtek and Insignia 2.0 soundbar HSB318
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