Windows 10 CPU downclocking - how to fix it?

Question

Windows

Bought KUU A8S Pro 15.6" Notebook with Attractive Features
High Performance and Large Memory] KUU Notebook is equipped with Intel x64 based Celeron J4125 quad-core processor with 2.0GHz (up to 2.7GHz), low power consumption and low noise . Equipped with 8GB RAM and 256GB SSD
Encountered an interesting effect. When running several applications, the system began to slow down wildly, the performance monitor shows that the processor frequency drops to 0.45 GHz, this is with the declared four cores and four threads.

Power mode removed energy-saving - nothing has changed. Is there any option to fix this on Windows 10 so that the processor frequency does not drop?

Answer 1

Only if you purge the laptop with liquefied nitrogen.

Answer 2

Not even a Pentium, but a Celeron with a power of 10 W, what kind of high performance can there be? It’s not Windows, here the chipset’s firmware doesn’t allow it to overclock too much to meet the required 10 W.
There are overclocking utilities, of course, the same Intel XTU, but it’s unlikely that it supports the lowest category percent, and the laptop’s cooling system if at 10W calculated, will not pull more heat transfer

Answer 3

A decrease in the frequency of operation due to load can only occur if it overheats. Those. throttling is turned on so that the chip does not burn out.
Overheating can be either due to time (thermal paste, thermal pads, dust) or due to poor cooling architecture from the factory.

Answer 4

It looks like throttling.
See what's up with the temperature.
If it overheats, there may be something wrong with the cooling system (for example, the thermal paste has dried up corny).

Answer 5

Given the frankly Chinese origin of the laptop, I would disassemble and check both the presence of thermal paste and the connection / operation of the cooling fan.