Intel EXT reports CPU Power Limit Throttling.

Dell / Inspirion 7737
January 19, 2018 at 03:41:55
Specs: Windows 10, Intel i7 4500U
So, I have been checking out the Intel Extreme Tuning Utility to under-volt my CPU for better battery life and when I ran the stress-test after lowering the Volt offset to -0.30, I noticed that it says my CPU is Power Limit Throttling.

At first, I thought it may be because I reduced the Volt offset and so I set it back to default but still after running the stress-test on default values my CPU is Power Limit Throttling.

It is supposed to reach 3.0 GHz with turbo boost with a base clock of 1.8 GHz but it never goes above 2.69 GHz and the temperature is not even high enough (65 C max) to stop it from turbo boosting.

I have no idea what is going on because in past I have seen my CPU work at 3GHz during gaming and doing CPU intensive tasks.

What I tried:

1. Disconnect the battery, press and hold the power button for around 10 seconds, reconnect the battery, put the laptop back together, and your problems will be gone.

2. Running laptop just on AC adapter without battery.

3. Disabling and enabling Intel Speed-Step.


Dell Inspiron 7737
i7 4500U
Nvidia 750m 2GB

Why be born again when you can just grow up?

See More: Intel EXT reports CPU Power Limit Throttling.

January 25, 2018 at 01:32:55
Do you have set ETU to start at your laptops startup?

if thats true you need to disable is via
windows 10: taskmanager --> startup
windows 7: msconfig --> startup

then do your own step 1 again & post results

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January 26, 2018 at 10:52:40
I don't have it set to start with Windows.

I figured out the whole thing. It's just how the processor works, when both the cores are being used it will only TurboBoost to 2.7 GHz and if only 1 core is in use it will go all the way up to 3GHz. That is how intel designed this processor.

ThrottleStop & ETU still says Power Limit Throttling but the processor is doing what it's supposed to do and idk what is being affected by this Power Limit Throttling (Not the CPU obviously)

Why be born again when you can just grow up?

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