[SOLVED] I overclock cpu to 4.5 ghz but it shows 5.94 ghz?

CompuTronix

Intel Master
Moderator
overclock cpu to 4.5 ghz I ran stress test. but it shows 5.94 ghz in the task manager
albertsstone,

Which "stress" test ?

Microsoft needs to seriously upgrade Task Manager, as the "Performance" tab leaves much to be desired. Compared to utilities such as CPU-Z, Task Manager is often inaccurate concerning parameters such as CPU frequency, so what you're seeing is not at all unusual. Additionally, Task Manager's "CPU % Utilization" is highly misleading.

“Stress” tests vary widely, so it's important to be very specific concerning what utility and test(s) you ran. Most "stress" tests are fluctuating workloads, as are apps and games. You can't depend on Task Manager to be anywhere near accurate, since it won't tell you if your CPU is in an overloaded or underloaded "workload" condition.

Here’s a comparison of "stress" test utilities grouped as thermal and stability tests according to % of TDP, averaged across six processor Generations at stock settings rounded to the nearest 5%:


Although these tests range from 70% to 130% TDP workload, it's very interesting to observe that Windows Task Manager interprets every test as 100% CPU Utilization, which is processor resource activity, NOT actual workload.

As you can see from the scale, Task Manager's major shortcomings are that it only scales to 100% "Utilization" and that it doesn't scale in actual "workload". It's clear from Intel's Datasheets that a CPU is at 100% workload only when it's at 100% TDP (Thermal Design Power), which is the only instance when Task Manager is accurate.

To be clear, when actual Power consumption (Watts) = your CPU's rated TDP, then you're at 100% TDP workload. Keep in mind that unless overclocking or running a heavy AVX workload such as Prime95 with AVX, only flagship CPU's such as the i7-3770K can reach their rated TDP at stock settings. Although your i5-3570K shares the same 77 Watt TDP rating, it consumes less power as it lacks Hyper-Threading, has a lower Clock Speed and less Cache.

Since Task Manager doesn't indicate true workload, which is %TDP, it's only a very "general" indication of what your CPU is actually doing. For example, when running a "stress" test utility, if you use a simple, straight foreword utility such as Core Temp to observe the actual measured Power (Watts) your i5-3570K is consuming compared to Task Manager's "Utilization", the disparities become clear.

So if you select an "overload" utility from the above scale that will cause your overclocked 77 Watt CPU to exceed its rated TDP by, let's say, 125%, which for your 3570K would be 96.25 Watts, Task Manager will still only show "100% Utilization". It's obvious that Task Manager needs some work.

CT :sol:
 

Mrgr74

Notable
Sep 2, 2019
607
119
840
86
Hi @albertsstone

We'll need a lot more info before even attempting to answer.

Motherboard?
RAM?
CPU?


Please run CPU-Z and take a screen shot and attach it here.

Edit - Toms pages are loading slow for me on my end today. Just now did the above graphic load showing 8GB RAM and his i5.
 
Last edited:
Hello guys could someone please tell me what is wrong? I overclock cpu to 4.5 ghz I ran stress test. but it shows 5.94 ghz in the task manager



View: https://i.imgur.com/VG3GWbQ.png
I get those screwy reading too with my 3570K in Task Manager in Windows 10. I think it is some bug with that model. As I've replied to a similar thread a while back with the same CPU. I'm using a 4.3Ghz OC and sometimes I show 6+ Ghz. Right now I'm getting ~5.25Ghz.

I'm using a Gigabyte GA-Z77X-UD5H. If you are using a Gigabyte Motherboard too. Perhaps it is some Gigabyte + 3570K combo which gets the screwed up reading.

Use HWMonitor for a reading instead. The zip version doesn't require an installation.
https://www.cpuid.com/softwares/hwmonitor.html
 

albertsstone

Prominent
Jun 5, 2018
14
0
510
0
Hi @albertsstone

We'll need a lot more info before even attempting to answer.

Motherboard?
RAM?
CPU?


Please run CPU-Z and take a screen shot and attach it here.

Edit - Toms pages are loading slow for me on my end today. Just now did the above graphic load showing 8GB RAM and his i5.
While PCU stress test took screenshots;

CPUID:

View: https://imgur.com/S5zZnRF



CPUZ:

View: https://imgur.com/y8ifcib


View: https://imgur.com/scuwRa0


View: https://imgur.com/0Bal7e3


View: https://imgur.com/eu0Zrgt


View: https://imgur.com/bdAAUg3


View: https://imgur.com/kUXFY3S
 
Last edited:

bioax

Upstanding
Nov 30, 2019
262
41
220
4

CompuTronix

Intel Master
Moderator
overclock cpu to 4.5 ghz I ran stress test. but it shows 5.94 ghz in the task manager
albertsstone,

Which "stress" test ?

Microsoft needs to seriously upgrade Task Manager, as the "Performance" tab leaves much to be desired. Compared to utilities such as CPU-Z, Task Manager is often inaccurate concerning parameters such as CPU frequency, so what you're seeing is not at all unusual. Additionally, Task Manager's "CPU % Utilization" is highly misleading.

“Stress” tests vary widely, so it's important to be very specific concerning what utility and test(s) you ran. Most "stress" tests are fluctuating workloads, as are apps and games. You can't depend on Task Manager to be anywhere near accurate, since it won't tell you if your CPU is in an overloaded or underloaded "workload" condition.

Here’s a comparison of "stress" test utilities grouped as thermal and stability tests according to % of TDP, averaged across six processor Generations at stock settings rounded to the nearest 5%:


Although these tests range from 70% to 130% TDP workload, it's very interesting to observe that Windows Task Manager interprets every test as 100% CPU Utilization, which is processor resource activity, NOT actual workload.

As you can see from the scale, Task Manager's major shortcomings are that it only scales to 100% "Utilization" and that it doesn't scale in actual "workload". It's clear from Intel's Datasheets that a CPU is at 100% workload only when it's at 100% TDP (Thermal Design Power), which is the only instance when Task Manager is accurate.

To be clear, when actual Power consumption (Watts) = your CPU's rated TDP, then you're at 100% TDP workload. Keep in mind that unless overclocking or running a heavy AVX workload such as Prime95 with AVX, only flagship CPU's such as the i7-3770K can reach their rated TDP at stock settings. Although your i5-3570K shares the same 77 Watt TDP rating, it consumes less power as it lacks Hyper-Threading, has a lower Clock Speed and less Cache.

Since Task Manager doesn't indicate true workload, which is %TDP, it's only a very "general" indication of what your CPU is actually doing. For example, when running a "stress" test utility, if you use a simple, straight foreword utility such as Core Temp to observe the actual measured Power (Watts) your i5-3570K is consuming compared to Task Manager's "Utilization", the disparities become clear.

So if you select an "overload" utility from the above scale that will cause your overclocked 77 Watt CPU to exceed its rated TDP by, let's say, 125%, which for your 3570K would be 96.25 Watts, Task Manager will still only show "100% Utilization". It's obvious that Task Manager needs some work.

CT :sol:
 

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