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Can I run Qwen3-235B-A22B on an RTX 4090?

No

Even its smallest file (4-bit (estimate), 132 GB) is more than an RTX 4090 can hold (21.6 GB usable): it needs 7 of them.

Full analysis of Qwen3-235B-A22B Everything that runs on RTX 4090

Files and context on RTX 4090

Each file of Qwen3-235B-A22B (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 RTX 4090 Context (16-bit)Context (8-bit)
As published470 GBDoesn't fit——
Q8_0Qwen/Qwen3-235B-A22B-GGUF250 GBDoesn't fit——
Q6_KQwen/Qwen3-235B-A22B-GGUF193 GBDoesn't fit——
Q5_K_MQwen/Qwen3-235B-A22B-GGUF167 GBDoesn't fit——
Q5_0Qwen/Qwen3-235B-A22B-GGUF162 GBDoesn't fit——
Q4_K_MQwen/Qwen3-235B-A22B-GGUF142 GBDoesn't fit——

Qwen3-235B-A22B on other hardware

Popular models that run on RTX 4090

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.