Laptop i7 10870h low boost frequencies
ThrottleStop shows that both PL1 turbo power limits are set to 55W. This is not enough power for a 10870H to maintain maximum speed. Power limit throttling is the result. The CPU is being forced to slow down so long term power consumption does not exceed 55W.
If you want to try and fix this problem, check the MMIO Lock box in the Turbo Power Limits section.
In the Power Limit Controls section, clear the Disable Controls box and set Long Power PL1 higher than 55W. I would set this power limit to at least 80W or 90W. Your cooling system is doing its job so increasing the MSR PL1 power limit should not be a problem.
There is a third set of turbo power limits controlled by an embedded controller (EC). ThrottleStop does not have access to the EC power limits. Only some laptops use EC power limits. I do not think your Clevo sets an EC power limit. If you use ThrottleStop to fix the MSR and MMIO power limits and you still see PL1 power limit throttling in the ThrottleStop log file, that means the EC power limit is being used. It is likely set to 55W.
The other item that shows up in the log file is TVB. This stands for Thermal Velocity Boost. Intel calls this boost but it is actually throttling. When your CPU gets up to 65°C, you will start to see TVB in the far right column of the log file. This type of throttling is ridiculous. There is no reason the CPU needs to slow down at only 65°C. The amount of slow down is only 100 MHz but in your case, it is completely unnecessary. To disable TVB throttling you need to clear the Thermal Velocity Boost box in the FIVR window. Unfortunately your BIOS has locked out FIVR control. Unless you can find a way to unlock the BIOS, you will not be able to adjust the CPU voltage while in Windows and you cannot disable TVB throttling. If you see anything TVB related in the BIOS, disable it. Remember, it is not boost, it causes throttling.
The log file shows lots and lots of PL1 and TVB throttling. Your 10870H really is running at 3700 MHz. The two types of throttling being used are not temperature related.
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