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Are these temperatures ok? GPU 68, CPU 60-65

Post Date: 2021-09-13
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JamesAstro View Drop Down
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Posts: 624 		  Quote JamesAstro Quote  Post ReplyReply bullet Topic: Are these temperatures ok? GPU 68, CPU 60-65
    Posted: 13 Sep 2021 at 1:07am
Hey Folks,

I'm experimenting with different fan curves to keep my Velox machine reasonably cool, but also super quiet. I think I found just the right curve. The fans run at 800 RPM when the GPU is below 70C degrees. Then they ramp up to 1500 RPM by the time the GPU hits 80C degrees.

Using this curve, the GPU tops out at 68C degrees, and it never seems to go any higher. That's perfect, because it means my fans never go above 800 RPM, and everything stays super quiet. I can barely hear them at all. However, it makes me feel good knowing that they will speed up if things get much hotter.

When running in this configuration, my GPU is 68C, and the CPU is 60C-65C. Does that sound like a safe temperature to be running long-term?

Thanks for your input.

Edited by JamesAstro - 13 Sep 2021 at 1:12am
Velox, Intel Core i9 11900K, ASUS ROG Maximus XIII Hero
32GB RAM, 1TB Samsung 980 Pro NVME
RTX 4090, 38" Ultrawide LG-38GL950G
Noctua NH-D15S cooler and NF-A14 fans, Corsair AX1600i PSU
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Snaike View Drop Down
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Posts: 9462 		  Quote Snaike Quote  Post ReplyReply bullet Posted: 13 Sep 2021 at 1:41am
IIRC, from my lessons with The Smart Guys® around here, they say anything under 80° is good, up to 90° is when you start to worry and 100° is bad... So, at <70°C you should be cool as a cucumber.
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Cretae View Drop Down
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Posts: 7330 		  Quote Cretae Quote  Post ReplyReply bullet Posted: 13 Sep 2021 at 5:07am
Just fine!
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MrCheetah View Drop Down
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Posts: 392 		  Quote MrCheetah Quote  Post ReplyReply bullet Posted: 13 Sep 2021 at 5:10pm
As covered, you're good.

Most CPUs and GPUs have a maximum junction temperature (also referred to as "Tjunction" or "Tj max") of 100ºC.

Information about Temperature for Intel® Processors

Intel® Core™ i9-11900K Processor - Product Specifications
(Within the Package Specifications section are Tjunciton and Turbo Boost maximum temp values)

I couldn't find an official document/datasheet for Nvidia GPU specs.

The VRAM temps (especially GDDR6X) have been widely discussed now. The following video at least covers an official source.

MICRON RESPONDS! What max temps should you run your G6X GPU at? RTX 3090 / 3080 Ti / 3080 / 3070 Ti | JimRPG (YouTube)

Observing my own systems and social media remarks, Nvidia (i.e., the FE cards) and EVGA allow the VRAM to reach as high as 110ºC before highly throttling -- sometimes the ambient temps for me are near or at ~26ºC (80ºF).
• Ryzen 5600X, ROG Strix B550-I, RX 6900 XT, 32GB Vengeance, 960GB MP510
• be quiet 500DX, i7 11700K, ROG Strix Z590-E, RTX 4080 ProArt + RTX 4070 Ti ProArt, 64GB HyperX Fury, 2TB SN850
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