HomeĐời SốngHow to undervolt a cpu on windows 10

How to undervolt a cpu on windows 10

16:12, 05/04/2021

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Hãng Intel và OEMs have sầu killed undervolting và there is little that you can do about it. (Image source: Dell, Plundervolt và Microsoft)
Undervolting is dead. Worse still, OEMs are killing the functionality on older machines too. Undervolting is no longer possible on recent Dell XPS laptops, for example, nor on the Surface Laptop 3 or Surface Pro 7.

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It has been a few years since we published guides on undervolting, the act of restricting CPU voltages to reduce temperatures & improve sầu battery life. Two of the most popular undervolting programs are Hãng sản xuất Intel Extreme Tuning Utility (XTU) & Throttlestop, the differences between which you can read in our guides to using the programs. While Dell has warned that undervolting can void warranties, Hãng sản xuất Intel và some OEMs have gone a step further và have sầu disabled undervolting altogether.

There is no one catch-all here, but the reasoning behind disabling undervolting is Plundervolt, an exploit discovered by the University of Birmingham. You can read the retìm kiếm team"s findings in its research paper, which can be found here. In summary, Plundervolt exploits Hãng sản xuất Intel Software Guard Extensions (SGX), which is a phối of instruction codes that undervolting programs likeThrottlestopand XTU use to manipulate CPU voltages. According to Hãng sản xuất Intel, all of its desktop and thiết bị di động processors from 6th generation Chip Core processors onwards are affected, as are bộ vi xử lý Core X-series and recent Xeon E chips.

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Hãng sản xuất Intel has since addressed the exploit by allowing OEMs khổng lồ disable undervolting via a firmware update. You can read Intel"s response & the details of the CVE-2019-11157 vulnerability here. Going forward, it would seem that all new Intel devices vày not tư vấn undervolting. Anecdotally, the Surface Book 3 15 does not support undervolting, which uses an Intel Core i7-1065G7 processor. The same should apply to lớn upcoming Tiger Lake laptops, too.

OEMs have sầu been patching machines that were released before the identification of Plundervolt too. Microsoft has done so with the Surface Pro 7 & Surface Laptop 3, for example, as has Dell with the XPS 15 9570 và XPS 15 7590. It seems that Lenovo has not killed undervolting on the X1 Extreme Gen 2, but there will undoubtedly be other OEMs that have sầu done so on their devices. UltrabookĐánh Giá has published a guide on re-enabling undervolting on theXPS 15 7590, but it is an arduous process và one that cannot necessarily be replicated on other machines lượt thích theSurface Laptop 3.

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In short, Hãng Intel has killed undervolting on its new processors and OEMs are gradually disabling the functionality on older machines. There are other methods to lớn reduce temperatures & extover battery life on modern laptops, but undervolting was one of the better ways of doing so.


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