3700X Peak Speed 4050MHz - Why so low?

[chivs688]

Just installed new Ryzen 3700X, Gigabyte X570 Aorus Elite, and Team Group 3600MHz 16GB DDR4 Ram.

Using Ryzen Master for monitoring and doing some stress tests, the CPU cores never make it past around 4050MHz when running at 100% usage in stress tests.

Tried setting the profile to the 'Precision Boost Overdrive' and 'Default' ones, default makes it to around 4020MHz but that's it.

How come it's not even going close to the 4.4GHz listed boost clock?

EDIT: Upon more searching, seems like all core boost should only go up to around 4.1GHz, but single core up to 4.4GHz, which would be fairly inline with my readings. Is this correct?

 

[ZXSpectrum]

Probably because the stress tests you are using are using multi cores and AVX. The 4.4ghz Boost Clock refers to single core boost not all core boost iirc..

 

[Grim5]

4.4.ghz is best case single core boost. Depending on model of CPU, all core boost clock will fall between 4.0 and 4.2ghz

 

[gerardfraser]

As other have said normal operation.
Single threaded/idle/light loads -CPU voltage up to 1.5v under normal BIOS settings with highest CPU Boost clocks.Up to what is written on the box.
Stress test/heavy work loads- CPU voltage will will drop down to where AMD Ryzen deems it is safe to operate with CPU Boost clocks adjusted accordingly.

Want higher CPU boost clocks make adjustments in your BIOS and test for stability.
Always do at your own risk but it is not necessary to do anything to BIOS ,AMD Ryzen CPU is fast as is out of the box.Let the CPU do it's thing and enjoy.

Some people like me just like playing around.My 3800X can do 4400Mhz all core with Cinebench20 loads with BIOS adjustments and PC game 4500Mhz+

 

[~>Dg<~]

its savy marketing that tricks people into buying them. if they put the cpu only does 4ghz all cores many people would reconsider. kinda shady to be honest. who wants just single core performance anyone buying a multicore cpu wants to know what all cores do. yet they market firstly the highest 1 core speed to make it seem faster.

 

[Grim5]

its savy marketing that tricks people into buying them. if they put the cpu only does 4ghz all cores many people would reconsider. kinda shady to be honest. who wants just single core performance anyone buying a multicore cpu wants to know what all cores do. yet they market firstly the highest 1 core speed to make it seem faster.

Well Intel does exactly the same thing. Out of the box a 9900K all core clock is well under its 5ghz single core clock. The only actual difference is that with Intel CPUs if the single core boost is 5ghz that generally means you can do an all core overclock to 5ghz too. But with AMD that isn't the case, if the box says 4.7ghz the overclock speed will be like 4.3ghz.

Intel tends to use very conservative voltages which means it's single core clocks are very similiar to the all core clocks you can do with overclocking

AMD uses a super aggressive voltage regulation to push the single core clock very high but that means all core overclock will be much slower - you can't run a ryzen at 1.45v on a all core overclock which is what you'd need to reach all core 4.7ghz. But you can get all core 5ghz at 1.3v on Intel.


If Intel was able to accomplish the same boosting algorithm, then you'd see a 9900k reaching 5.4ghz on a single core but only 5ghz on an all core overclock and you'd then have an apples to apples comparison between intel and amd