Attaching the desktop GPU "RTX 5090" to an M4-equipped MacBook Air
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2 min readKey summary
A developer got an RTX 5090 working as an eGPU on an M4 MacBook Air through Thunderbolt/PCIe tunneling and a Linux ARM VM.
The setup could run games such as Cyberpunk 2077, Crysis Remastered, and DOOM, though performance varied a lot by resolution.
It demonstrates a rare but functional path for NVIDIA eGPU use on Apple silicon, while exposing heavy overhead from emulation, virtualization, and Thunderbolt bandwidth limits.
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