Intel Power Thermal Utility3/28/2021
It is our experience that if you see a noticeable difference in benchmark score within Intel XTU, then your system is throttling in a comparatively short period.
Intel Power Thermal Utility Software For UndervoltingIntel XTU is a powerful piece of software for undervolting or overclocking, but it can be daunting if you dont understand the myriad options presented to you.This guide covers the layout of Intel XTU and gives the process for adjusting voltage and TDP to reduce temperatures, extend battery life, and improve performance.Keep in mind that this software isnt magic so the improvements arent drastic, and some changes may have no effect at all depending on your situation.Craig Ward, 03092018 Gaming How To Laptop Software Ultrabook Windows. Many enthusiasts prefer to handle this via BIOS, but Intel XTU provides options for modifying metrics such as core voltage, clock speed multiplier (on supported CPUs), and turbo boost power limits (if the manufacturer has enabled this option). However, most of us own laptops that arent capable of overclocking, both because of the change Intel processors underwent when moving from a traditional FSB to a BCLK setup several years ago, and because our cooling systems arent able to handle that thermal output. Fortunately, some of the settings available to us like the core voltage arent just used for overclocking, they can also be used to reduce the thermal load on our systems. So to add to Intels description regarding overclocking, wed say that Intel XTU is a tool that lets us adjust settings that can lower the temperatures that our system hits under load, potentially cause the fans to run quieter, and maybe even extend battery life. Intel XTU functions similarly to the third-party ThrottleStop utility, a fan favorite in the mobile computing community. If you already use ThrottleStop and are wanting to give Intel XTU a go, then you need to reset any changes back to default, uninstall ThrottleStop, and then reboot your computer before installing Intel XTU. The two programs modify many of the same registers and it can get a bit messy. When you first open Intel XTU, you are greeted by a screen which shows detailed information about your hardware, such as the processor, memory, motherboard and so on. Along the bottom, you will see a line graph and a table showing output data from the hardware and associated sensors inside your notebook. The default settings display data such as temperature, utilization, and throttle state, but the little spannerwrench icons allow you to add or remove monitor items from here to adjust the setup to show what is important to you. The only two settings were concerned with today are core voltage offset and turbo boost power max. When overclocking desktop systems it is common to set a static voltage to improve stability, but on mobile devices this can lead to reduced battery life. Instead, we will adjust the offset, which allows the processor to dynamically change the voltage to match the task, i.e., lower when idling and higher when working hard. This offset works by taking the level that the CPU would have adjusted to and then increasing or decreasing it by the level of the offset. The turbo boost power max setting controls how many watts the chipset (including GPU) can draw, and several manufacturers lock this setting. Advanced Tuning - Core: Showing core voltage offset (1) and turbo boost power max (2) for the CPU cores. You can set a custom length for the stress test to run for, and each test tries to create a full load without creating the workload saturation that the two previously mentioned stress tests cause. The inbuilt tests are useful for assessing stability during the undervolting (or overclocking) process, while Prime95 or AIDA64 can be used to validate stability once you have finished tweaking your long-term setting. However, we do need to point out that just like the stress tests, this benchmark isnt very comprehensive compared to a third-party alternative like a Cinebench R15 loop to assess performance over time to see any temperature and power draw improvements from undervolting.
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