Valve Steam Machine Shows Slight Performance Boost Running Windows Over SteamOS

• July 17, 2026

Valve’s Steam Machine, a compact gaming computer designed primarily for use with its SteamOS operating system, has demonstrated slightly improved performance when running Windows instead of SteamOS. This observation comes from a series of tests conducted by the YouTube channel ETA Prime, which analyzed the performance of a modified version of the Steam Machine using both operating systems.

Performance Comparison Between SteamOS and Windows on Steam Machine

While the Steam Machine was originally engineered to operate on SteamOS — Valve’s custom Linux-based gaming platform — many users have expressed interest in running Windows to access a broader range of software and games. To investigate the real-world impact of the choice between these two operating systems on gaming performance, ETA Prime set up experiments that measured the system’s capabilities under both environments.

The company’s assessment found that, despite SteamOS being tailored for the Steam Machine, the device delivered somewhat better performance when booted into Windows. The margin of improvement, though described as modest, suggests that Windows may better leverage the hardware or driver support available on the system at this time.

This discrepancy could be attributed to various factors such as more mature graphics drivers, optimized game support, or other software efficiencies typically found in the Windows ecosystem. It also highlights potential opportunities for further optimization within SteamOS to close the performance gap on such hardware.

Valve’s Steam Machine serves as a niche choice that blends console-style gaming convenience with the flexibility of a PC. Given that SteamOS is intended to offer a streamlined gaming experience built around Valve’s Steam platform, the finding that Windows provides a performance edge may influence user preferences and hardware configurations, especially for those prioritizing maximum gaming output.

Although the findings by ETA Prime provide valuable insight, the specific performance metrics and the extent of the gains were not detailed. Furthermore, the implications for battery life, system stability, or user interface experience between the two operating systems were not part of the scope of the tests.

Users interested in the Steam Machine’s capabilities should consider both hardware compatibility and software environment when deciding which OS to deploy. While SteamOS offers a more integrated and potentially simplified gaming platform, Windows remains a versatile choice that might yield better performance in certain scenarios, as demonstrated by recent testing.

Testing reveals Valve’s Steam Machine delivers marginally better gaming performance on Windows compared to its native SteamOS.