XMG reintroduces BIOS-based undervolting on laptops with Intel Raptor Lake-HX CPUs

Undervolting is back. (Image Source: XMG)
Undervolting is again. (Picture Supply: XMG)

After a 4-year hiatus, undervolting can once more be safely carried out on Intel’s cell CPUs. XMG is among the many first to re-enable BIOS-based undervolting options for this yr’s NEO, PRO and KEY laptops.

XMG is re-enabling CPU undervolting as a part of the most recent BIOS replace launched for this yr’s NEO gaming laptops with Intel Raptor Lake processors. Up till 2019, all Intel H-seris cell processors featured voltage offset, however the discovery of the Plundervolt vulnerability rapidly prompted Intel to instruct companion OEMs to take away any undervolting-related options. The improved undervolting potential on Intel’s 2023 cell processors resparkled the curiosity for voltage tuning, so XMG along with its BIOS suppliers and ODM companions managed to convey again undervolting settings. Due to a brand new fallback system that eliminates BIOS replace failures, it’s now protected as soon as once more to carry out reasonable undervolting on Intel’s newest cell processors.

The brand new BIOS variations that allow full undervolting options at the moment are obtainable for XMG’s NEO 16 / 17 fashions with Intel Core i9-13900HX CPUs. Restricted options are additionally enabled with the most recent BIOS updates for the PRO 15 / 17 fashions and Schenker’s Key 15 / 17 and 17 Professional laptops. An in depth undervolting information is out there on the XMG website.

To be able to guarantee system stability, XMG is simply permitting the next most values for undervolting:

Values which will trigger booting issues might be simply reset with the “ctrl+B” keyboard mixture.

There are appreciable advantages when reducing the CPU voltage in laptops. In addition to lowering energy consumption, the CPU working temperatures below load are additionally diminished and, normally, the general efficiency is boosted. XMG examined the brand new BIOS with values which can be realistically achievable in lots of circumstances. As such, the P-core voltage and the E-core L2 voltage have been offset by 150 mV, and the ring voltage offset by 100 mV every. These settings have been steady on a NEO 16 used even in intensive, multi-hour stress assessments carried out with AIDA64 and 3DMark Pace Manner.

So far as efficiency enhance goes, XMG studies that Within the ten-minute multi-core endurance take a look at Cinebench R23, the laptop computer scores 30,370 as a substitute of 27,333 factors and thus a roughly 11 % higher end result. In a considerably shorter single run of the benchmark, the end result will increase to 32,903 as a substitute of 30,165 factors. One other instance is obtainable with a Shadow of the Tomb Raider take a look at the place the CPU’s energy consumption drops by virtually 20 % (round 12 watts), and the processor stays barely cooler because of this. The marginally boosted CPU efficiency additionally permits the RTX 4090 GPU to carry out barely higher, upping the FPS depend from 155 to 159.

Purchase the XMG NEO 17 E23 gaming laptop computer from Bestware

(Image Source: XMG)
(Picture Supply: XMG)

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