I've been having a hard time with the new XPS with i9 processor: it just overheats gettting close to burn my hand after hours of working. I'm a software engineer, so, there is no option for me other then work to get paid, and this means typing a lot.
How to Undervolt Your CPU: Boost Laptop Battery Life, Reduce Heat and Quiet Your Fans
The CPU temperature were going really high here degrees Celsius. I just couldn't work anymore as my hands were literally burning specially the left one. After some online research, I found about a technique called Undervolting.
The processor, obviously, is an eletric device and the more processing it does, the more power it needs. And the i9 processor does it really well, getting over 4.
Everybody knows that. So, undervolting basically means reducing how much energy can be sent to the processor at once. That did not only made my processor to stop burning like crazy, but also make my battery life longer!! On Linux now, using the NVidia driver but setting it to use Intel with undervolting mv from core, cache and gpumy battery now lasts about hours!!! The safest value I could undervolt it without crashing the system was mv on all 3 options on Linux.
So, what does that means: first, I don't need to run this note at 4Ghz fulltime! So, undervolting not only made battery lasts longer but also made the whole experience more pleasant.
It would be great if Dell could make a bios upgrade that did this undervolting in a more definitive way. Intel doesn't allow vendors to do this, but gives XTU to users. ThrottleStop is another alternative. The CPU may go to but your hands shouldn't burn though your CPU load may not be so heavy, try Prime95 for a couple of minutes to see if your paste is okay. Try locating a charging circuit near left shift position, next to a metallic shielding plate inside, and pad it to the backplate.
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We do not collect your personal data. Undervolting means to reduce the voltage a component receives. Why does this matter? Lowering the voltage, even by relatively small amounts, reduces the power draw of the components in this case, the CPU and thus decreases the heat generated while increasing battery life.
Actually, there is little to no risk involved. The worst thing that can happen is that if you reduce the voltage too much, the computer may crash, and you will have to decrease your undervolt that is, give a little more voltage back. Again, although this is a safe process with little to no chance to damage any components in fact, it should increase their longevity, as they will run coolerproceed at your own risk! Unzip ThrottleStop to the directory of your choice and run it as an administrator.Run wasm
I will get to the other functions of this software later. The basics you need to know is that first, ThrottleStop keeps 4 different profiles, which can be selected with the radio buttons numbered in the screenshot above.
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Understand that most changes you make in TS are only for the profile you have selected. See what others have been able to successfully achieve stably and use that as a starting range. Your CPU may be even more capable of undervolting, or less.Colab download git
You will need to fiddle up and down a bit to find a stable undervolt. This will take a bit of time to get perfect as every chip is different.
Intel® Extreme Tuning Utility - Intel® XTU
To start undervolting on this profile, follow the following steps. The greater the undervolt, the cooler the CPU will run and the less power it will use.
This can lead to temperature drops under full load of anywhere between C, meaning your computer will be able to operate faster for longer, all the while generating less heat. At this point, once you have set up the undervolting, you can use Task Scheduler to start ThrottleStop with your computer and the undervolts will stick.
Super User is a question and answer site for computer enthusiasts and power users. It only takes a minute to sign up. 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. Of course, Core Voltage is what you must lower. That is no question.
But should you touch Cache Voltage Offset? Would it lower the temperature again? And Intel's Extreme Tuning Utility download link. It gives you the tools to overclock, undervolt your CPU. It also includes a stress benchmark - which I did not find very useful.
While it is great for overclocking, you will only meet stability issues later on if you undervolt. That's because the CPU is fine on max P-state - with the lowered voltage, but struggles to stay powered on when running at lower speeds. Personal experience : Of course I tried it myself, set both to mV for example, but I could not notice a big difference, and honestly, the sensor's value is jumping all over the place when it is under load.
Like it's C at idle, then it skyrockets to 70, 80, back to Sign up to join this community. The best answers are voted up and rise to the top. Home Questions Tags Users Unanswered. Undervolting with Intel' XTU - which offset should you reduce? Ask Question.
Asked 4 years, 4 months ago. Active 1 month ago. Viewed 9k times. It is a pretty basic question, but I could not find an answer to this via Google. Apache Apache People would only need to adjust the highest P state anyway, and this would result in an increased stability overall for all undervolts.This tutorial is about two powerful tweaks that can greatly improve the performance of your laptop.
There are two ways to achieve this performance boosts, first is a software tweak. The second teak involves opening up your laptop to apply thermal compounds. If you do this, understand its at your own discretion or risk because opening up your computer touching stuff, playing with software that changes the voltages into your processor and bios and stuff like that you kind of do it at your own risk.
The extra unused current then contributes to heating the CPU which will reduce performance if the throttling temperature is reached. First, we need the tools for this. Its a software and this software gives you tremendous control over your CPU and if you just start clicking things randomly you can mess things up.Jacquard nike tuned 1 anthracitefoot scarpe uomo neroblack
The two more popular apps that people use for this are XTU by Intel and throttlestop. Both are free both are good but for beginners, I would recommend XTU because it has all the basic components you need to properly undervolt. This is XTU when you first load it up. It looks crazy complex lots, of numbers but we can ignore most of it. First, adjust the graphing monitor to show 30 minutes of data.
Stress-test your CPU at its baseline without any adjustments just to see what numbers you will get. During the stress test, the CPU is running pretty much full tilt with occasional dips and the temperatures are going up and down as the fans turn on and off.
Now the way to undervolt properly is to drop the voltage, stress test and if it checks out drop the voltage again and repeat.
Go to advanced tuning 1 and on the core tab 2click on the core voltage offset 3 and you want to scroll upwards from zero to see negative numbers.
Starting with an undervolt of 50 millivolts means 0. Stress testing gets a max of 84 degrees. Watch out that the system is still completely stable. To kick it up a notch lets undervolt by reducing it by a hundred and twenty millivolts which is At this point, reboot your machine and go back into XTU and go back to the last voltage that worked. The settings apply even on reboot. Undervolting laptops can give you better thermals but in my experience, the best results come from something called repasting.
Reapplying the thermal paste with better quality paste usually results in lower temperatures. Thermal paste is a goopy stuff that you apply on to CPUs or GPUs to help transfer heat away from it and the better quality pastes that you use and the better the application process the better of a job that it does.
Clean off the original paste using alcohol or arctic cleaner then apply some good thermal paste. Some laptops use thermal pads that you can swap out for better quality ones or potentially thicker ones. You basically you want the thermal pad to eliminate any kind of air gap. Repasting may give you a further drop in temperature better battery life, fans that come on less and most importantly no more CPU throttling. Sign in. Log into your account. Forgot your password? Password recovery.
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Apple and Google are building a more private contact tracing system April 11, Is it really worth it? The less heat, the better an electronic component works up to certain limits at very low temperatures so when we reduce the consumption of one of our components will improve the temperature of this one and consequently we will also make it more stable. Undervolting is nothing more than reducing the standard working voltage of electronic chip. This means that if our processor has a working voltage of 1.
The objective of this technique is to perform this process without losing all the potential of the processor, although sometimes it can be combined with other techniques such as underclockto further improve the main objective of Undervolting. As you can see the concept is simple, now we will see exactly what we can get out of it and when it is most useful this type of technique is that it is very easy to execute and can be useful in many occasions.
Undervolting reduces the consumption of the processor, GPU, or other encapsulated components. By reducing consumption we will improve energy efficiency, i. Less cooling also means less noise and also that we can mount that component in environments where cooling, by size, is a bigger problem. Undervolting is done a lot in cryptomontage mining with GPU because in sustained stress for a long time every watt of consumption is important, because we will earn more money, but it is also important because we will reduce the thermal stress of the component and therefore it will last longer.
As you can see, Undervolting is fundamental for a miner of crypto coins, but it can also be fundamental for any user. Every electronic component, or rather every silicon processor, no matter how complex, has some degrees of quality in its production, for example, the wafer edge processors are usually of lesser quality by the lithography process itself.
This means that the manufacturer always gives an interesting range of voltages that supports his silicon to work well whether it is of high quality or not. With that power margin is the one that the user plays with to perform Undervolting without losing performance or without losing stability and in some cases, especially in GPUs, also improves the ability to overclock.
As you will understand we will also have, as in the case of other techniques, better or worse result depending on the quality of our chip. So there is some randomness in the result as it happens when we overclock, which is a more widespread technique. Currently these voltages are variable to adjust the processor to the states of rest of the system so we have to make the Undervolting in an intelligent way.
If we force a low voltage we can have stability in rest, but not in load and lose, for example, capacity of turbo frequency of the processor, if we use a high voltage, but reduced in the maximum peak of the processor, we will have less consumption in load, but we will have more consumption in states of rest so what we gain on one side we will be losing on the other.
My advice, therefore, is to use a voltage reduction based on a decrease of the relative vcore. Almost all modern motherboards allow it and it is nothing more than reducing a few tenths, which we consider suitable for our objectives, to the variable vcore of the processor.
In this way if in load our processor goes up to 1. Each motherboard manufacturer is different but almost all have these options, we will have more difficulties if our motherboard does not have these features, but then we will always have the option to use the Intel XTU application, if our processor is compatible, or the AMD Ryzen Master for AMD Zen processors.
The process is more or less similar since modern graphics use processes similar to those enjoyed by modern CPUs. That is, both use variable voltage systems that adapt to the consumption needs of the GPU based on the needs of the user.
Modern graphics processors are thus able to substantially reduce power consumption when full power is not required.Sign up for an Acer ID and get exclusive access to deals and the Predator Den community, where you can ask and answer questions about gaming and gear. Discussion When to stop lowering the voltage on xtu undervolting? What to search discussions comments polls questions answers. C Member Posts: 10 Tinkerer. August in Predator Laptops. I recently bought predator helios ph and when i tested it on several games i was getting about 90 degrees above.
Then i searched and i found the undervolt guide using xtu to undervolt the cpu. So my question is, should i still go below or should i stop? Best Answers. Skree Posts: 97 Fixer. August edited August Accepted Answer.
The rule, anyway, is to look for stability issues. If you go too low on undervolting your system will reboot under heavy load, will power throttle, will have performance issues and generally will be unstable. What i suggest is to put a stress load on your system, both GPU and CPU, and see if it stays stable for at least 30 minutes, but the longer the better. If all runs fine, you have no power throttling and no strange behaviours, you are ok.
If you get a BSOD or anything strange This was the explanation, now my opinion: you are fine where you are if your system is stable. JackE Posts: 20, Trailblazer.
August Accepted Answer. Unless you experience issues, don't try to fix a non-issue. Skree Member Posts: 97 Fixer. August I also tried undervolting down to core and offset. I did get better results the more and more I went down. I got CB score with mv. However, I also did notice the CPU temp was jumping all over the place. I only stress tested 30 mins and although it didnt crash, I think it was getting to an unstable state.X wing sudoku
The current version of ThrottleStop at the time of writing is 8. ThrottleStop is an original program by Kevin Glynn, a. It started as a simple means to counteract some throttling mechanisms used in older laptops, check temperatures, and change CPU clock speeds.
However, there have been quite a few bugs with XTU involving lost settings and frequent hard crashes upon resume from sleep, and for those reasons I have personally abandoned XTU in favor of TS. You might be thinking that these kind of programs are for the most advanced users or geeks who spend days trying to get their benchmarks a few points higher or temperatures C lower. While those stereotypes might be true for some TS users, the fact is that a few minutes of tweaking with the program will likely provide you with significant objectively measurable decreases in temperatures and increases in battery life and real-world performance.
A standard disclaimer when adjusting voltages and other settings on your CPU.
When to stop lowering the voltage on xtu undervolting?
There has never been a CPU damaged by this software to my knowledge. After first opening ThrottleStop, you will be greeted by the main window of the program interface. This will clear any settings or registers set by the program. If you ever run into problems with your settings causing immediate crashes or all else fails, delete the ThrottleStop.
If this is your first time tweaking your CPU registers, a lot of this terminology will be new to you. However, once you grasp the basic meaning and functions of each setting, tweaking will start to become second nature to you. The main window of ThrottleStop 8.How to undervolt i7 8750H - Intel XTU
Custom Logo — Starting with TS 8. Note that the app will minimize to either the tray or the taskbar depending on how the app is configured. Save — Saves the current settings to the ThrottleStop.
Options — Goes to the options menu for ThrottleStop. Here, you can rename the 4 possible profiles, set tray icon settings, enable temperature alarms, battery profiles and monitoring, closing app behavior, and HotKeys. We will return here later when we setup profile alarms based on temperatures. TS Bench — Opens a built-in benchmarking program. Though not strenuous, it is useful for detecting how recent tweaks you made will affect your CPU under load.
In the top left area of the window, you will see four radio buttons. Each one has a customizable name in the Options dialogue and each refers to a separate settings profile for the program. A few settings are universal across all profiles, but most settings are profile-specific. We will discuss using more than one profile later. On the left half of the window you can find general settings that affect either CPU clocks or the way the program functions:.
For most newer chips, this method is not used, and enabling the feature in ThrottleStop will have no effect. Set Multiplier — This is another obsolete setting; on older CPUs, the clock speed is determined by multiplying the bus speed of the CPU by a multiplier.
On modern CPUs, the multipliers are set differently. Setting it higher will have no effect, and setting it lower will be the same as not setting it. If you have a Skylake CPU or later, this should be enabled.
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