Khronos certification confirms the Steam Machine’s graphics stack is Vulkan 1.4 compliant, adding a formal standards check to Valve’s still-unreleased hardware.
The listing also identifies a Navi 33-based GPU, reinforcing earlier expectations that Valve is using a derivative of AMD’s RX 7600M laptop chip.
An "AMD Custom CPU 1772" codename appears alongside the GPU details, though the filing offers little else about the processor itself.
The new certification and component clues suggest Valve is still preparing the Steam Machine for a 2026 launch after unveiling the device in November 2025.
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