"In our reviews of these GPUs, we've already run into some games where the RAM ceiling limits performance in Windows, especially at 1440p. But we've been doing more extensive testing of various GPUs with SteamOS, and we can confirm that in current betas, 8GB GPUs struggle even more on SteamOS than they do running the same games at the same settings in Windows 11."
"But there's one spec that has caused some concern among Ars staffers and others with their eyes on the Steam Machine: The GPU comes with just 8GB of dedicated graphics RAM, an amount that is steadily becoming more of a bottleneck for midrange GPUs like AMD's Radeon RX 7060 and 9060, or Nvidia's GeForce RTX 4060 or 5060."
Valve's Steam Machine targets solid 1080p–1440p performance and occasional 4K with FSR upscaling using a modern midrange GPU. The GPU equipped with only 8GB of dedicated graphics RAM risks becoming a bottleneck for midrange cards such as AMD's RX 7060/9060 and Nvidia's RTX 4060/5060. Testing reveals that 8GB GPUs encounter RAM-ceiling limits in Windows at higher resolutions and that the same GPUs struggle even more under current SteamOS betas. Two representative cards are the 8GB Radeon RX 7600 and the 16GB Radeon RX 7600 XT, which differ mainly by RAM and clocks. Valve is working on fixes, and a stable Steam Machine platform could help broader hardware support, but significant engineering work remains.
Read at Ars Technica
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