Question My laptop's CPU is missing 200MHz at full power

[chipimaurino]

Hey everyone, I recently did a a few tests with my gaming laptop (MSI GL63 8SE) as it had cooling issues. Those are fixed but as I tested I noticed that even with P95 pushing the CPU to max load it never ever went past 1995Mhz, which is a good 205Mhz short of the 2.2GHz its supposed to pull. Of course, Im not expecting it to get exactly there but 200 MHz is quite a bit of power to be missing but...
I was wondering if there is an easy fix to the ratio? The bios for the laptop is of course shit and its missing most of the options which is also an issue, I dont know how to fix that one if its needed .
Attached (I hope, since insert image doesnt work with imgur?) is a screenshot of HWinfo during the most recent Prime95 torture test.

https://imgur.com/a/ztrdrVJ

 

[Misgar]

Since you're running all cores at near 100%, the CPU might not have sufficient cooling to run at 2200MHz all-core and thermal limiting has down clocked the speed to 2GHz.

Laptop design is a compromise between size, weight and cooling. On a desktop PC you could fit a larger cooler. On a laptop you're stuck.

 

[uWebb429]

@chipimaurino

The 8750H can run Cinebench at a steady 3900 MHz if it is well cooled and the turbo power limits are set appropriately.

Prime95 will overwhelm most laptops. Look at the limit reasons data in HWINFO and it will tell you the reason for throttling.

Learn to use ThrottleStop. Post screenshots of the FIVR and TPL windows if you need help.

 

[chipimaurino]

Since you're running all cores at near 100%, the CPU might not have sufficient cooling to run at 2200MHz all-core and thermal limiting has down clocked the speed to 2GHz.

Laptop design is a compromise between size, weight and cooling. On a desktop PC you could fit a larger cooler. On a laptop you're stuck.

It is not a cooling issue, it is stable at around 70 C and HWinfo says its not throttled.

@chipimaurino

The 8750H can run Cinebench at a steady 3900 MHz if it is well cooled and the turbo power limits are set appropriately.

Prime95 will overwhelm most laptops. Look at the limit reasons data in HWINFO and it will tell you the reason for throttling.

Learn to use ThrottleStop. Post screenshots of the FIVR and TPL windows if you need help.

https://imgur.com/6r8s7zB

It just says it isnt limited or throttled... Even Prime95 cant get it past 70C after the cooling upgrades and the cooling fan I got. So, about those turbo power limits, where are they set or where can I check them?

 

[uWebb429]

It just says it isnt limited or throttled...

Your 8750H is definitely being limited. Try using ThrottleStop. Post screenshots of the main window, the FIVR and TPL windows. Run a more realistic stress test like Cinebench R23 and take screenshots of ThrottleStop while the CPU is loaded with that. Cinebench is a consistent stress test that will provide you with a score that can easily be compared to other users with the same CPU.

ThrottleStop 9.6 Download

ThrottleStop is a small application designed to monitor for and correct the three main types of CPU throttling that are being used on many lapto

www.techpowerup.com

https://www.techspot.com/downloads/7579-cinebench-r23.html

2200 MHz is the base frequency when Intel Turbo Boost is disabled. Uninstall any MSI software until you get this problem figured out. The MSI Control Center has a reputation of being a bug filled mess.

If it is not that then it is either the BIOS or Windows that is not setting your CPU up correctly. Post some ThrottleStop screenshots and I will be able to help you get this figured out. Open the ThrottleStop Limit Reasons window and look under the CORE column for any boxes lighting up red while the CPU is loaded. That would indicate throttling.