PC gamers chase frame rates like a religion. Right now, the fastest software environment to run a Steam library isn’t Windows 11, and it isn’t Valve’s heavily funded SteamOS. It is CachyOS.
An aggressive Arch-based Linux distribution is systematically stripping out 15 years of legacy hardware support. The result? It is delivering faster frame times on handhelds like the ROG Ally X and high-end rigs like the Razer Blade 18.
Most operating systems ship generic binaries designed to run on the widest possible range of computers. CachyOS ignores that completely. The development team rebuilds the entire software stack—from the custom kernel down to individual packages—specifically targeting modern x86-64-v3 and v4 CPU architectures. They lean heavily on link-time optimization and profile-guided optimization to extract maximum hardware performance. To pull this off, the team maintains strict hardware compatibility checks that transition advanced users into architecture-specific repositories.
This aggressive compilation strategy explains the distro’s rapid rise in DistroWatch rankings, where it recently ended MX Linux’s multi-year run at the top by claiming the number one spot for the 2025 calendar year.
Gamers are noticing the speed bump. CachyOS recorded a 4.99 percentage point jump in Valve’s May 2026 Steam Hardware Survey. That was the largest single increase of any distribution on the platform. By June 2026, it accounted for 14.03% of all Linux gamers on Steam. It now ranks second overall, trailing only Valve’s official SteamOS Holo at 22.83%.
Back in March 2026, CachyOS also officially overtook vanilla Arch Linux as the distribution with the highest number of user-submitted compatibility reports on ProtonDB.
Aggressive Repository Branching Threatens SteamOS
The rapid adoption of CachyOS proves PC gamers are completely willing to abandon broad hardware compatibility. They want optimized instruction set execution. This directly threatens immutable gaming distros like Bazzite and Valve’s own SteamOS, especially in the portable PC market where efficiency is critical. Power users are actively pulling market share away from mainstream Windows 11 installs to squeeze extra frames out of their expensive hardware, showing that architectural optimization is finally outperforming brute-force hardware upgrades.