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Can I run Qwen3-30B-A3B-MLX-6bit on a Radeon RX 7900 XTX?

Probably, at 4-bit

The published weights are too big, but a 4-bit version (about 17.2 GB) would fit, with room for ≈ 40K tokens of context. The site hasn't analyzed a GGUF of Qwen3-30B-A3B-MLX-6bit yet.

Full analysis of Qwen3-30B-A3B-MLX-6bit Everything that runs on Radeon RX 7900 XTX

Files and context on Radeon RX 7900 XTX

Each file of Qwen3-30B-A3B-MLX-6bit (and of GGUF versions the site has analyzed), and how much context fits next to it, with the context cache in 16-bit or 8-bit.

FileSizeOn Radeon RX 7900 XTX Context (16-bit)Context (8-bit)
As published23.9 GBDoesn't fit——
4-bit (estimate)17.2 GBFits40K40K

Qwen3-30B-A3B-MLX-6bit on other hardware

Popular models that run on Radeon RX 7900 XTX

Assumes 90% of the card's memory is usable and at least 4K tokens of context for one conversation, with the context cache in 16-bit unless noted. Fits leaves at least 20% of that memory for context; Tight leaves less.