F5F Stay Refreshed Hardware Desktop The CPU is not performing well in single-thread tests according to the CPU-Z check, showing a low single-core score.

The CPU is not performing well in single-thread tests according to the CPU-Z check, showing a low single-core score.

The CPU is not performing well in single-thread tests according to the CPU-Z check, showing a low single-core score.

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lolito52
Member
103
09-22-2025, 01:56 PM
#11
Yeah I know. This is single thread though, on all threads its up to 4.18GHz. Still I don't get why would my score go down by this much. here on screenshot in the single thread it hovers around 4.15-4.21GHz (This is with my browser open, with no browser score is ~430
The VRMs are like skin temp on touch during bench, they seem to get a lot of air in with my airflow setup, and in HWinfo they report at 50c during bench.
Yeah the dust I know :/
3 intake front
1 exhaust back
Cpu tower intake through top mesh
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lolito52
09-22-2025, 01:56 PM #11

Yeah I know. This is single thread though, on all threads its up to 4.18GHz. Still I don't get why would my score go down by this much. here on screenshot in the single thread it hovers around 4.15-4.21GHz (This is with my browser open, with no browser score is ~430
The VRMs are like skin temp on touch during bench, they seem to get a lot of air in with my airflow setup, and in HWinfo they report at 50c during bench.
Yeah the dust I know :/
3 intake front
1 exhaust back
Cpu tower intake through top mesh

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Prodmaster
Member
169
09-22-2025, 01:56 PM
#12
When you ran to bench, did any indicators illuminate? Such as 'PL1', 'PL2', or 'EDPother'? These details will clarify why we need to downclock.
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Prodmaster
09-22-2025, 01:56 PM #12

When you ran to bench, did any indicators illuminate? Such as 'PL1', 'PL2', or 'EDPother'? These details will clarify why we need to downclock.

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ChickenPhoYou
Posting Freak
850
09-22-2025, 01:56 PM
#13
Why did you install the CPU cooler in that specific way? I thought it wouldn’t make much difference since we’re using a Core i5 10500. But... why did you do it this way?
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ChickenPhoYou
09-22-2025, 01:56 PM #13

Why did you install the CPU cooler in that specific way? I thought it wouldn’t make much difference since we’re using a Core i5 10500. But... why did you do it this way?

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maxiionita
Member
172
09-22-2025, 01:56 PM
#14
Nope, I also put PL1 and 2 in bios to 125W
Well, it lines up with the front-to-back airflow. Front fans push cool air straight through the heatsink and out the back, no turbulence. With the mesh top and rear exhaust, heat escapes naturally anyway. The temps are great so why fix something thats not broken, though I know it doesn't look so sweet
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maxiionita
09-22-2025, 01:56 PM #14

Nope, I also put PL1 and 2 in bios to 125W
Well, it lines up with the front-to-back airflow. Front fans push cool air straight through the heatsink and out the back, no turbulence. With the mesh top and rear exhaust, heat escapes naturally anyway. The temps are great so why fix something thats not broken, though I know it doesn't look so sweet

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KingKuewyn
Member
157
09-22-2025, 01:56 PM
#15
Have you attempted to reset the BIOS? It's possible a setting has shifted. Try testing again. Also, clearing the CMOS might be necessary if you recently updated the BIOS.
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KingKuewyn
09-22-2025, 01:56 PM #15

Have you attempted to reset the BIOS? It's possible a setting has shifted. Try testing again. Also, clearing the CMOS might be necessary if you recently updated the BIOS.

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DrBrokenBones
Senior Member
378
09-22-2025, 01:56 PM
#16
When your computer is idle at the desktop, ThrottleStop indicates the C0% value for your CPU. This gives a precise idea of background activity on your machine. A lower C0% means better CPU performance during benchmarks. For your processor, about 0.5% is considered normal. I’m very particular about background processes; my system with 10 cores and 20 threads should stay under 0.1% in the C0 state when handling background work.

If nothing appears in Limit Reasons during the TS Bench test, it’s likely you’re running more background tasks now than before. Most users don’t monitor how many background jobs are active during tests.

Note – The CPU-Z test doesn’t actually run a single core. It creates two threads that activate two cores at a time, not one. When you add many background tasks, three or four cores may become active, which reduces the maximum turbo multiplier and lowers performance.

Check the Task Manager Details section if you notice high C0%. Identify any unnecessary processes running on your system.
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DrBrokenBones
09-22-2025, 01:56 PM #16

When your computer is idle at the desktop, ThrottleStop indicates the C0% value for your CPU. This gives a precise idea of background activity on your machine. A lower C0% means better CPU performance during benchmarks. For your processor, about 0.5% is considered normal. I’m very particular about background processes; my system with 10 cores and 20 threads should stay under 0.1% in the C0 state when handling background work.

If nothing appears in Limit Reasons during the TS Bench test, it’s likely you’re running more background tasks now than before. Most users don’t monitor how many background jobs are active during tests.

Note – The CPU-Z test doesn’t actually run a single core. It creates two threads that activate two cores at a time, not one. When you add many background tasks, three or four cores may become active, which reduces the maximum turbo multiplier and lowers performance.

Check the Task Manager Details section if you notice high C0%. Identify any unnecessary processes running on your system.

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