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Special scenario - boosting single-thread speed for I9-9980xe with overclocking

Special scenario - boosting single-thread speed for I9-9980xe with overclocking

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Cutie_Kitcat
Senior Member
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644
03-17-2017, 08:24 AM
#1
Hello,
I’m quite new to overclocking and had no idea how to assemble a computer a year ago. I now dedicate around 12 hours daily to work on the screen, so when I replaced my old ThinkCentre, I upgraded it mainly because of persistent problems with an app I rely on. Despite improvements, I still face frequent freezing or hangs. It’s a trading platform that usually works well, but during high-volume periods it tends to stall. This program runs single-threaded, and other tasks seem to function normally.

I’m using an i9 9980XE and my goal is to boost performance for this specific application. I tried Intel XTU last night, adjusting turbo frequencies. The 4.5GHZ setting across all cores held steady without crashing, but the benchmark reached 94°C. I skipped a stress test since it didn’t cause a crash. Then I lowered it to 4.4GHZ, which allowed a 30-minute test to complete, though with some temperature reduction. It appears I’m running out of thermal capacity.

Considering my workload, normal usage shouldn’t stress all cores equally, but sometimes one core gets pushed hard. I have a few ideas and would appreciate your advice.

1) XTU lets me tweak frequency according to active cores. Lowering it for more cores and raising it for just one could help with temperatures. But I worry about losing the performance gain if other apps keep using multiple cores.
2) Should I focus on per-core settings instead of package-wide changes? I’m thinking undervolting 17 cores, adjusting speed gradually, and testing single-core performance. Could this give me extra thermal flexibility beyond what I achieved at 4.4GHZ?
3) Might increasing the AVX Ratio provide more thermal headroom?

Thanks for your help.

Specs in summary:
- Motherboard: Asus Prime X299 Deluxe II
- CPU: Intel i9-9980XE
- RAM: Corsair Vengeance 4x16GB DDR4 3600MHz
- Storage: Intel Optane 905P NVMe PCIe 960GB, Samsung 860 Pro 2TB
- GPU: AMD Radeon Pro WX 9100
- Cooler: Corsair Hydro Series H100i Pro 120mm
- PSU: Corsair RM850i
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C
Cutie_Kitcat
03-17-2017, 08:24 AM #1

Hello,
I’m quite new to overclocking and had no idea how to assemble a computer a year ago. I now dedicate around 12 hours daily to work on the screen, so when I replaced my old ThinkCentre, I upgraded it mainly because of persistent problems with an app I rely on. Despite improvements, I still face frequent freezing or hangs. It’s a trading platform that usually works well, but during high-volume periods it tends to stall. This program runs single-threaded, and other tasks seem to function normally.

I’m using an i9 9980XE and my goal is to boost performance for this specific application. I tried Intel XTU last night, adjusting turbo frequencies. The 4.5GHZ setting across all cores held steady without crashing, but the benchmark reached 94°C. I skipped a stress test since it didn’t cause a crash. Then I lowered it to 4.4GHZ, which allowed a 30-minute test to complete, though with some temperature reduction. It appears I’m running out of thermal capacity.

Considering my workload, normal usage shouldn’t stress all cores equally, but sometimes one core gets pushed hard. I have a few ideas and would appreciate your advice.

1) XTU lets me tweak frequency according to active cores. Lowering it for more cores and raising it for just one could help with temperatures. But I worry about losing the performance gain if other apps keep using multiple cores.
2) Should I focus on per-core settings instead of package-wide changes? I’m thinking undervolting 17 cores, adjusting speed gradually, and testing single-core performance. Could this give me extra thermal flexibility beyond what I achieved at 4.4GHZ?
3) Might increasing the AVX Ratio provide more thermal headroom?

Thanks for your help.

Specs in summary:
- Motherboard: Asus Prime X299 Deluxe II
- CPU: Intel i9-9980XE
- RAM: Corsair Vengeance 4x16GB DDR4 3600MHz
- Storage: Intel Optane 905P NVMe PCIe 960GB, Samsung 860 Pro 2TB
- GPU: AMD Radeon Pro WX 9100
- Cooler: Corsair Hydro Series H100i Pro 120mm
- PSU: Corsair RM850i

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SmileyMae17
Member
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66
03-17-2017, 10:07 AM
#2
It's not worth it, overclocking individual cores takes a long time to stabilize properly. I think it would take a month at least. But I suggest using Intel Turbo Boost Max 3.0 to maximize your single core performance. You can find it on the Asus website, or if not, visit Intel.com.
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SmileyMae17
03-17-2017, 10:07 AM #2

It's not worth it, overclocking individual cores takes a long time to stabilize properly. I think it would take a month at least. But I suggest using Intel Turbo Boost Max 3.0 to maximize your single core performance. You can find it on the Asus website, or if not, visit Intel.com.

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VladaGamer
Member
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62
03-18-2017, 03:16 AM
#3
It's not worth it, adjusting just one core slows down stabilization significantly. I think it would take a month or more. But I suggest using Intel Turbo Boost Max 3.0 to maximize your single-core performance. You can find it on the Asus website, or if unavailable, visit Intel.com.
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VladaGamer
03-18-2017, 03:16 AM #3

It's not worth it, adjusting just one core slows down stabilization significantly. I think it would take a month or more. But I suggest using Intel Turbo Boost Max 3.0 to maximize your single-core performance. You can find it on the Asus website, or if unavailable, visit Intel.com.

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