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cpu throttling

Post Date: 2024-01-22

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Franciscojp3d View Drop Down
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  Quote Franciscojp3d Quote  Post ReplyReply bullet Topic: cpu throttling
    Posted: 22 Jan 2024 at 3:43pm
Hello, My company just purchased a Digital storm computer Velox PRO with an i9-14900K assus motherboard Prime Z790-PWIFI, RTX 4090.
I just installed 3D Max, that is my main software, and tested some rendering task using V Ray.
When I start the render the computer is running at ~5.5Ghz but when the render task start it only stay at that speed for a few second then it drops to 3.6Ghz.

My preview machine was a Dell workstation that did run at the same speed (Xeon 3.5Ghz).

We were expecting this newer machine would give us better performance.
Why is the CPU Throttling that much? Is there a way to keep it at 5 Ghz? forgot to mention the system is water cooled.

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Snaike View Drop Down
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  Quote Snaike Quote  Post ReplyReply bullet Posted: 22 Jan 2024 at 6:36pm
Perhaps a call directly to DS Tech Support would be in order. This is mainly a users forum. Best we could do is guess.
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MrCheetah View Drop Down
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  Quote MrCheetah Quote  Post ReplyReply bullet Posted: 28 Jan 2024 at 1:32am
Originally posted by Franciscojp3d

Hello, My company just purchased a Digital storm computer Velox PRO with an i9-14900K assus motherboard Prime Z790-PWIFI, RTX 4090.
I just installed 3D Max, that is my main software, and tested some rendering task using V Ray.
When I start the render the computer is running at ~5.5Ghz but when the render task start it only stay at that speed for a few second then it drops to 3.6Ghz.

That description makes me think TAU is enabled, which seems a little strange because these premium motherboards typically have such limits disabled by default. In the BIOS (manual/user guide), I think, it's what's referred to as Long Duration Package Power Limit (see page 38). In my experience the optimized defaults (BIOS -> Exit -> Load Optimized Defaults) plus XMP (BIOS -> AI Tweaker -> AI Overclock Tuner) was always a good foundation.

With that said, you can go a step further: AI overclocking.

Intel 14th generation Core CPUs allow AI Assist via the XTU app.

Intel's 14th Gen CPUs support AI overclocking and here's the difference it makes | The Provoked Prawn (YouTube)

Alternatively, Asus has included an AI Overclock feature for several years. See page 21 in the BIOS manual.

Edited by MrCheetah - 28 Jan 2024 at 1:34am
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