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Questions tagged [undervolting]

28 questions
5
votes
1 answer

Will undervolting with Intel XTU on Windows, be applied on Ubuntu aswell?

Recently I undervolted my laptop CPU on Windows with Intel XTU due to overheating. I use dual boot Windows and Ubuntu. I am not particularly aware how and on what level the undervolting takes place. I wanted to know if all the same voltage has been…
kalavida
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4
votes
2 answers

How to optimize PLL voltage

I am overclocking my Core i7 (Ivy Bridge 3770K), aiming for a moderate overclock. Currently I have it easily stable at a pleasant 4.4GHZ - BCLK defaulted at 100.00MHz, with the multiplier set to x44. While it is currently stable (tested using…
AviD
  • 571
4
votes
1 answer

Undervolting with Intel' XTU - which offset should you reduce?

It is a pretty basic question, but I could not find an answer to this via Google. The value you are supposed to adjust is the "voltage offset". However, there are two kinds of values in the utility that you can both set. Core Voltage Offset …
Apache
  • 16,299
2
votes
2 answers

Weird voltage issues - intermittent low 5V line

My computer has developed a strange ailment: when I turn it on, the 5V power line from the PSU is very low, hovering at around 4.2V. This is intermittent however, sometimes it jumps back up to 4.98V. I thought the PSU was dead, but now I'm not so…
Tom Macdonald
  • 145
2
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2 answers

Undervolting & Overclocking the Llano A6-3400M

The AMD A6-3400M comes with a significantly higher stock voltage than is needed to operate stably. Has anyone tweaked and stress tested all the P-states to lower voltages? I've stress tested the boost state B0 (FID: 30 DID: 2 FREQ: 2300Mhz) at…
caesay
  • 426
2
votes
3 answers

Is it possible to underclock ram

There is an application called granola for windows that can be used to underclock the cpu to consume less power. Is there also an application that can be used to underclock the ram to consume less power when you are just using the computer to…
soul
  • 3,709
2
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1 answer

Intel XTU Undervolt settings not working between reboots

If I undervolt my CPU/iGPU via the Intel Extreme Tuning Utility (XTU) on windows 10, it asks me to reboot to save the settings, I hit ok, the system reboots, and voila, I have an undervolted CPU. Then the day ends, I shut down my system, start it up…
Cestarian
  • 1,997
1
vote
3 answers

would I save power using a lower voltage power adapter? (on a modem)

from various experiences modems, access points, and other devices will often run fine even with power adapters of lower voltages (compared to their original power adapter). I am wondering if using a power adapter that has lower voltage leads to…
user253974
1
vote
1 answer

Linux CPU energy saving hacks

I have a quad core CPU (Phenom II 945), because sometimes I need performance, but most of the time, 4×800 MHz (the minimal frequency) is still overkill for most usages. So, three questions regarding CPU manipulation under Linux. I'd like to know…
ib84
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What should I take into account when underclocking Intel i5-750?

I'm using my PC at idle all the time. I want to underclock the CPU at these hot summer days. I got into the BIOS screen, and I saw a setting for "CPU Clock Ratio". I reduced it from 21 to 9. After a reboot I saw that CPU temperature reduced from…
hkBattousai
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2 answers

Undervolting CPU Core vs CPU Cache

From what I have seen on Youtube videos and from what I have read on the Internet, the undervolt value of the CPU core and CPU cache should be the same. My CPU is i7-11800h. After running several tests, the stable undervolt value of the CPU core was…
machine_1
  • 439
1
vote
0 answers

Intel XTU voltage and frequency stuck at 0

A while back, I was testing out intel XTU, and everything was great. I used it to undervolt my I7-8086k, and it worked flawlessly, I don't remember how much exactly, but it ran a bit cooler ☺ Fast forward a bit, and I decide to try my hand at…
MrMcyeet
  • 11
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0 answers

After undervolting using XTU, how to make the changes permanent?

If I undervolt my laptop using XTU and then apply the changes, will the undervolt settings persist in the next boot or after shutting down and powering up ? Does XTU have a service or something that applies the settings at each boot or…
Amir Zia
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0 answers

Undervolting in Windows VM on Linux?

I have a Lenovo Legion Y540 with an i5 9300h and A GTX 1650 running Linux, specifically Pop OS. It seems to be running a bit hot on idle at about 48° C. So, I was wondering if I undervolted my CPU in XTU in a Windows VM, would that still apply to…
user1207807
1
vote
1 answer

How to undervolt a Core i3 laptop?

Using k10stat, I significantly undervolted all 3 p-states of my Athlon II P320 laptop, yielding a 10-20% longer battery run time. Are there similar tools for Intel's Clarkdale/Arrandale processors? And what about Core 2? For those not familiar with…
netvope
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