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Tom’s Hardware
Tom’s Hardware
Aaron Klotz

Running Linux On The ROG Ally Doesn't Help Battery Life

Asus ROG Ally

Valve's Steam Deck runs Linux, while the Asus ROG Ally is a Windows machine. But both are computers, so you can install what you want on them. Phoronix compared Valve's Steam Deck and the new Asus ROG Ally on Linux explicitly to see which handheld console is better at gaming under similar operating systems. With the OS swapped from Windows 11 to Arch Linux on the ROG Ally, the performance margin between the two consoles didn't change much. The ROG Ally exhibited superior gaming performance to the Steam Deck, but the Steam Deck was able to outperform the ROG Ally in power efficiency and battery life.

Testing the ROG Ally on Linux is definitely an interesting proposition, since many Linux distros arguably feature less bloatware than Microsoft's latest Windows 11 operating system, which could improve performance and battery life. Linux versions also come with different AMD-based drivers that can change the performance behavior (scheduling) of AMD's Ryzen CPUs in Linux compared to Windows, which can potentially improve performance in some cases.

But according to Phoronix's testing, installing Linux on the ROG Ally didn't really change its behavior compared to running games on Windows 11. The handheld was still faster than the Steam Deck in the right performance profiles, but still lost the race in efficiency, with the Steam Deck consuming far less power than the ROG Ally.

Even when the ROG Ally was running in its more power-efficient modes, the handheld could only match the performance of the Steam Deck in most cases and was unable to drastically outperform it.

(Image credit: Phoronix)
(Image credit: Phoronix)

For instance, in Cyberpunk 2077, the ROG Ally ran an average of 61 FPS with Arch Linux's ACPI performance profile but dropped down to 45 FPS when running in the OS's standard power profile. The Steam Deck (which is still running SteamOS) was able to almost match the ROG Ally's in its non-performance power setting, outputting 44.66 FPS average.

In terms of power consumption, the Steam Deck was massively better, consuming an average of just 10.76 watts in Cyberpunk 2077, while the ROG Ally in its performance preset consumed 30W of power - 3x more power than the Steam Deck. Sadly, the ROG Ally's more power-efficient profile doesn't save it here, and still consumed more power than the Steam Deck, coming in at 14.77 watts average.

Cyberpunk 2077 was one of the worst-case scenarios for the ROG Ally, however, most of Phoronix's testing suit still exhibited similar behavior. The only benchmarks that didn't see this behavior were the CPU tests, which unsurprisingly showed substantially better performance with the ROG Ally in all circumstances compared to the Steam Deck — thanks to the far newer Zen 4 architecture and four additional CPU cores.

Coming back to Linux specifically, Phoronix's results align closely with our own review of the ROG Ally (running Windows 11), in that the Steam Deck was able to greatly outperform the ROG Ally in battery life and power efficiency in the console's performance profile. Sure you could back down to a more power-efficient mode, but you'd be getting the same performance as the Steam Deck, with hardware that is two generations newer.

Phoronix's results proved that the ROG Ally's efficiency differences are most likely related to the hardware and cannot be rectified with an OS swap.

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