Valve Tests Proton Translation Layer for Arm Processors in Early Stages

Apps & Games / Desktop / Windows / Valve Tests Proton Translation Layer for Arm Processors in Early Stages
24 Sep 2024

Valve's Strategic Exploration: Proton for Arm Processors

Valve is currently exploring a version of its Proton translation layer, which enables the play of Windows games on Linux, specifically tailored for Arm processors. Recent observations by Tom’s Hardware indicate that during Valve’s extensive testing of various PC games with Proton, an Arm64 variant, designated as ‘proton-arm64ec-4’, has emerged. This version is being trialed alongside a diverse array of titles.

The Steam Deck, which operates on an Arm chip similar to that found in Copilot+ PCs and the new Snapdragon X processors, contrasts with the existing model powered by an x86 AMD custom Zen 2 CPU. This shift towards Arm architecture could signify a strategic pivot for Valve.

Analysis: Eyeing the Potentially Explosive Growth in Copilot+ PCs?

The potential benefits of an Arm-based Steam Deck could include a more cost-effective device with enhanced battery life. However, it is important to note that x86 technology is also making significant advancements in battery efficiency, as evidenced by Intel’s latest Lunar Lake mobile chips. Currently, the entry-level Steam Deck is already competitively priced, particularly during promotional sales.

Rather than indicating a definitive future direction for Valve’s handheld gaming device, it seems more plausible that the company is casting a wider net to create a version of Steam compatible with Arm-based Windows 11 laptops, including the anticipated Copilot+ PCs. Analysts predict a substantial surge in sales for these devices by 2025, suggesting that Valve may be positioning itself to tap into this burgeoning casual gaming market.

While Arm-based laptops powered by Snapdragon X already employ Microsoft’s Prism technology to emulate x86 PC games, this solution has not been without its shortcomings. Many gamers have expressed disappointment over the limited selection of titles that can be played, feeling that Microsoft has yet to fulfill its ambitious gaming commitments with Snapdragon chips.

At this juncture, Valve’s exploration into developing Proton for Arm chips represents a preliminary step, and it remains uncertain whether this initiative will culminate in a tangible product. As developments unfold, the industry will undoubtedly be rife with speculation regarding Valve’s intentions and the future of gaming on Arm architecture.

Update: 24 Sep 2024