F5F Stay Refreshed Hardware Desktop TDP lower to 7800W and PPT reduced to 3d.

TDP lower to 7800W and PPT reduced to 3d.

TDP lower to 7800W and PPT reduced to 3d.

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DeacX
Member
68
12-05-2023, 11:21 PM
#1
I'm working on reducing the power consumption of the 7800x3d. So far, eco mode maintains around 88-90W under full load and still hits 82-83°C with my AK620. I'd like it to operate closer to 65W-70W or even lower, without worrying about peak performance times. For gaming sessions I don't notice it exceeding 60°C (last of us part 1, new world, black desert online, etc.), which is acceptable. Cinebench shows all cores running at 4900MHz and low frequencies in the 80s, that's what I'm aiming for. I've adjusted my fan settings but haven't seen much improvement. Any suggestions on optimizing it further? I'm currently using an EXPO profile (maximum SoC voltage 1.250 with BIOS EXPO) and a PBO negative offset of -30, but temperatures remain unchanged. I'm considering the ASRock B650E Steel Legend.
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DeacX
12-05-2023, 11:21 PM #1

I'm working on reducing the power consumption of the 7800x3d. So far, eco mode maintains around 88-90W under full load and still hits 82-83°C with my AK620. I'd like it to operate closer to 65W-70W or even lower, without worrying about peak performance times. For gaming sessions I don't notice it exceeding 60°C (last of us part 1, new world, black desert online, etc.), which is acceptable. Cinebench shows all cores running at 4900MHz and low frequencies in the 80s, that's what I'm aiming for. I've adjusted my fan settings but haven't seen much improvement. Any suggestions on optimizing it further? I'm currently using an EXPO profile (maximum SoC voltage 1.250 with BIOS EXPO) and a PBO negative offset of -30, but temperatures remain unchanged. I'm considering the ASRock B650E Steel Legend.

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kassi123
Member
137
12-10-2023, 06:34 PM
#2
It's working smoothly at 80°C, so keep it as is. Power consumption is already minimal, but you may need to use a die if you want further temperature gains.
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kassi123
12-10-2023, 06:34 PM #2

It's working smoothly at 80°C, so keep it as is. Power consumption is already minimal, but you may need to use a die if you want further temperature gains.

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AtekPlays
Junior Member
12
12-17-2023, 07:59 AM
#3
I understand, I'm just aiming to reduce the temperature slightly while keeping the fan speed unchanged.
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AtekPlays
12-17-2023, 07:59 AM #3

I understand, I'm just aiming to reduce the temperature slightly while keeping the fan speed unchanged.

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xMrChucklesx
Junior Member
18
12-17-2023, 08:39 AM
#4
still no reason to do so With such low voltages the things already running at you can go and run at tjmax for decades and itll still be fine All you are doing is nuking cpu performance with absolutely no noticable benifit But if you wanna go ahead anyways i guess you could just set the powerlimit lower, retarded amd doesnt allow manual multiplier adjustment on x3d and you are not using a board that has asynchronous eclk so have fun trying to optimize both performance and power draw when you have half the tools needed
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xMrChucklesx
12-17-2023, 08:39 AM #4

still no reason to do so With such low voltages the things already running at you can go and run at tjmax for decades and itll still be fine All you are doing is nuking cpu performance with absolutely no noticable benifit But if you wanna go ahead anyways i guess you could just set the powerlimit lower, retarded amd doesnt allow manual multiplier adjustment on x3d and you are not using a board that has asynchronous eclk so have fun trying to optimize both performance and power draw when you have half the tools needed

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Ward12
Posting Freak
895
12-19-2023, 08:30 AM
#5
Uncertain about AMD. With my 12400 and using NVidia, I reduced the CPU voltage. Likely you won't gain much from your already efficient processor. Edited June 12, 2023 by leclod
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Ward12
12-19-2023, 08:30 AM #5

Uncertain about AMD. With my 12400 and using NVidia, I reduced the CPU voltage. Likely you won't gain much from your already efficient processor. Edited June 12, 2023 by leclod

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KingPandino
Member
98
12-20-2023, 06:43 PM
#6
It's still a solid reason to do so. I'd rather keep the CPU operating at lower power consumption rather than reducing fan speeds and letting the chip throttle itself. I recall seeing guidance on specific wattage limits—like 45W, 65W, 90W, and 105W—along with their corresponding PPT, TDC, and EDC values.
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KingPandino
12-20-2023, 06:43 PM #6

It's still a solid reason to do so. I'd rather keep the CPU operating at lower power consumption rather than reducing fan speeds and letting the chip throttle itself. I recall seeing guidance on specific wattage limits—like 45W, 65W, 90W, and 105W—along with their corresponding PPT, TDC, and EDC values.

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RyanWoj
Junior Member
28
12-24-2023, 07:38 AM
#7
Increasing fan rotation won't make much difference because the heat isn't leaving the CPU properly. Just set the fans to their highest speed you can hear without noticing. It doesn't seem like the chips are throttling much at 83°C, so let them run as fast as possible up to the maximum supported temperature (like around 90°C for X3D).
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RyanWoj
12-24-2023, 07:38 AM #7

Increasing fan rotation won't make much difference because the heat isn't leaving the CPU properly. Just set the fans to their highest speed you can hear without noticing. It doesn't seem like the chips are throttling much at 83°C, so let them run as fast as possible up to the maximum supported temperature (like around 90°C for X3D).

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_JustRutY_
Junior Member
6
12-26-2023, 12:57 AM
#8
Goal achieved to reduce TDP. Successfully managed power usage at 75W, cutting CPU temps by nearly 20°C compared to full load. Previously, fans at 40% would push temps up to 88-90°C. Cinebench R23 performance remains stable. For the ASRock B650E, configuration is: Advanced > AMD CBS > SMU > PPT in mW set to 75000.
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_JustRutY_
12-26-2023, 12:57 AM #8

Goal achieved to reduce TDP. Successfully managed power usage at 75W, cutting CPU temps by nearly 20°C compared to full load. Previously, fans at 40% would push temps up to 88-90°C. Cinebench R23 performance remains stable. For the ASRock B650E, configuration is: Advanced > AMD CBS > SMU > PPT in mW set to 75000.

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GimlixNL
Member
145
12-31-2023, 02:26 AM
#9
it doesn't perform well at 80°C, it begins to slow down around 70°C and stops boosting beyond 5050MHz across all cores. you need it to stay under 60°C for consistent maximum performance.
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GimlixNL
12-31-2023, 02:26 AM #9

it doesn't perform well at 80°C, it begins to slow down around 70°C and stops boosting beyond 5050MHz across all cores. you need it to stay under 60°C for consistent maximum performance.

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ISY_0815
Senior Member
566
01-07-2024, 12:11 PM
#10
Below 60 requires reducing boost or lowering TDP/PPT on an X3D chip. These units heat up significantly since the additional cache is placed above the die.
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ISY_0815
01-07-2024, 12:11 PM #10

Below 60 requires reducing boost or lowering TDP/PPT on an X3D chip. These units heat up significantly since the additional cache is placed above the die.