why any solution to this cpu problem?

[Mohammad Saleh]

guys in a all core load in cinebech r23 my cpu is turboing below base clock any guess why this happened and any solution that does not void my warranty?

[kelvinhall05]

What are your temps?

[boggy77]

it's a laptop, it's probably overheating and throttling

[jj9987]

It's not? 1.97 GHz is higher than 1.8 GHz, which is the base clock for your CPU.

Also, Task Manager is not a reliable tool to check your CPU frequency, use CPU-Z or HWiNFO. And also check your temps, as said above.

[Moonzy]

says in task manager your cpu base clock is 1.8, so it's running above that

 

fun fact: if it's running below base, task manager will report it as below 100% usage even thought it's 100%

ie, if your CPU is 3.0ghz base, but it's running all core 2.7ghz, it'll show 90% usage

[Mohammad Saleh]

7 minutes ago, kelvinhall05 said:

What are your temps?

my 71 degrees Celsius to 75 degrees Celsius

[Mohammad Saleh]

1 minute ago, Moonzy said:

says in task manager your cpu base clock is 1.8, so it's running above that

 

fun fact: if it's running below base, task manager will report it as below 100% usage even thought it's 100%

ie, if your CPU is 3.0ghz base, but it's running all core 2.7ghz, it'll show 90% usage

i did not get it can you make it more clear

[Mohammad Saleh]

4 minutes ago, jj9987 said:

It's not? 1.97 GHz is higher than 1.8 GHz, which is the base clock for your CPU.

Also, Task Manager is not a reliable tool to check your CPU frequency, use CPU-Z or HWiNFO. And also check your temps, as said above.

it is giving 2 base clocks 1.8 ghz and 1.9ghz which one is the truth

[jj9987]

1 minute ago, Mohammad Saleh said:

it is giving 2 base clocks 1.8 ghz and 1.9ghz which one is the truth

The one that official page says: https://ark.intel.com/content/www/us/en/ark/products/149091/intel-core-i7-8565u-processor-8m-cache-up-to-4-60-ghz.html

[Moonzy]

3 minutes ago, Mohammad Saleh said:

i did not get it can you make it more clear

says 1.8GHz, that's your base clock, any speed above that is boost clock

[Mohammad Saleh]

Just now, jj9987 said:

The one that official page says: https://ark.intel.com/content/www/us/en/ark/products/149091/intel-core-i7-8565u-processor-8m-cache-up-to-4-60-ghz.html

oh ok but my laptops screen had broken before that it was running 2.7ghz in cinebech but after it came back from hp i saw it was down to 1.97 ghz any idea 

[Mohammad Saleh]

Just now, Moonzy said:

says 1.8GHz, that's your base clock, any speed above that is boost clock

oh ok but before i sent my laptop for a screen replacement it was 2.7ghz but now it is 1.97 ghz  any clues

[Moonzy]

try single core in cinebench instead of all core

 

also, is it plugged in?

[Mohammad Saleh]

2 minutes ago, Moonzy said:

try single core in cinebench instead of all core

 

also, is it plugged in?

single core: 3.7 to 4.3 ghz  and it is plugged in 

[Moonzy]

2 minutes ago, Mohammad Saleh said:

single core: 3.7 to 4.3 ghz  and it is plugged in 

then it's working just fine, what seems to be the issue?

[Mohammad Saleh]

1 minute ago, Moonzy said:

then it's working just fine, what seems to be the issue?

the all core boost it went from 2.7 ghz before repair to 1.97ghz after it

[Moonzy]

1 minute ago, Mohammad Saleh said:

the all core boost it went from 2.7 ghz before repair to 1.97ghz after it

i see, but as of now it's still running as spec-ed so i cant really tell you what's wrong with it

 

check temps with hwinfo64, see if it's overheating just in case they forgot to put on the screws

 

other than that, no idea, because it's operating as it should

[Mohammad Saleh]

Just now, Moonzy said:

i see, but as of now it's still running as spec-ed so i cant really tell you what's wrong with it

 

check temps with hwinfo64, see if it's overheating just in case they forgot to put on the screws

 

other than that, no idea, because it's operating as it should

it is the 70 to 75 degrees range and thank you for the help i got the point

[Moonzy]

2 minutes ago, Mohammad Saleh said:

it is the 70 to 75 degrees range and thank you for the help i got the point

definitely normal temp

 

maybe 2.7ghz was on a different workload, or early on during the start of the boost where the CPU may boost to that speed for few seconds before dropping to lower clocks

[jj9987]

There are many factors that influence CPU frequency boosting. While that CPU does have theoretically all-core boost of 4.1 GHz, it can be limited if there is not enough power or the temps are too high to allow higher frequencies. Single-core boost is different from multi-core boost, since the power consumption and temperature are different.

[Mohammad Saleh]

16 minutes ago, jj9987 said:

There are many factors that influence CPU frequency boosting. While that CPU does have theoretically all-core boost of 4.1 GHz, it can be limited if there is not enough power or the temps are too high to allow higher frequencies. Single-core boost is different from multi-core boost, since the power consumption and temperature are different.

it is not terrmal trolling so it must be power

[unclewebb]

@Mohammad Saleh Run HWiNFO and find out what throttling flags are being triggered. Most throttling in laptops is power limit related. The 8565U has a 15W TDP rating.

 

https://ark.intel.com/content/www/us/en/ark/products/149091/intel-core-i7-8565u-processor-8m-cache-up-to-4-60-ghz.html

 

Intel designed this CPU so it will power limit throttle and slow down when fully loaded. There are two separate turbo power limits that control Intel CPUs and different BIOS versions can set these power limits differently. It is possible that when you took your laptop in for service, they decided to do you a favor and updated your computer to the latest BIOS version. If this new BIOS version uses different or lower power limits, your CPU could run significantly slower than it used to run.  

 

Here is an example of a similar 8th Gen U series CPU in a Lenovo C930 with the turbo power limits removed.

It runs fully loaded at full speed without any power limit throttling.

 

 

Your 8565U is a faster CPU in theory but it will not run this fast if it is being throttled to the default 15W.

When you run HWiNFO64, choose the Sensors only option and scroll down until you find this information.

 

 

You will likely see the reason for throttling as IA:Package Level RAPL/PBM PL1 or PL2/PL3. These are the turbo power limits. I prefer using ThrottleStop because it makes the Limit Reasons data easier to see. Use either program. Best not to use both programs at the same time because HWiNFO can interfere with the Limit Reasons data that other monitoring software tries to collect from the CPU.

 

[Mohammad Saleh]

16 hours ago, unclewebb said:

@Mohammad Saleh Run HWiNFO and find out what throttling flags are being triggered. Most throttling in laptops is power limit related. The 8565U has a 15W TDP rating.

 

https://ark.intel.com/content/www/us/en/ark/products/149091/intel-core-i7-8565u-processor-8m-cache-up-to-4-60-ghz.html

 

Intel designed this CPU so it will power limit throttle and slow down when fully loaded. There are two separate turbo power limits that control Intel CPUs and different BIOS versions can set these power limits differently. It is possible that when you took your laptop in for service, they decided to do you a favor and updated your computer to the latest BIOS version. If this new BIOS version uses different or lower power limits, your CPU could run significantly slower than it used to run.  

 

Here is an example of a similar 8th Gen U series CPU in a Lenovo C930 with the turbo power limits removed.

It runs fully loaded at full speed without any power limit throttling.

 

 

Your 8565U is a faster CPU in theory but it will not run this fast if it is being throttled to the default 15W.

When you run HWiNFO64, choose the Sensors only option and scroll down until you find this information.

 

 

You will likely see the reason for throttling as IA:Package Level RAPL/PBM PL1 or PL2/PL3. These are the turbo power limits. I prefer using ThrottleStop because it makes the Limit Reasons data easier to see. Use either program. Best not to use both programs at the same time because HWiNFO can interfere with the Limit Reasons data that other monitoring software tries to collect from the CPU.

 

ok let me try