Can I run Qwen3.8-27B-QSA-GGUF on a Radeon RX 7900 XTX?

Yes, just

Its UD-Q5_K_M file (20.0 GB) fits in the 21.6 GB a Radeon RX 7900 XTX can use, with room for ≈ 22K tokens of context.

Full analysis of Qwen3.8-27B-QSA-GGUF Everything that runs on Radeon RX 7900 XTX Get the UD-Q5_K_M file on Hugging Face

ollama run hf.co/higa2515/Qwen3.8-27B-QSA-GGUF:UD-Q5_K_M

Files and context on Radeon RX 7900 XTX

Each file of Qwen3.8-27B-QSA-GGUF (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.

File	Size	On Radeon RX 7900 XTX	Context (16-bit)	Context (8-bit)
Q8_0	29.3 GB	Doesn't fit	—	—
UD-Q6_K	22.2 GB	Doesn't fit	—	—
UD-Q5_K_M	20.0 GB	Tight	22K	44K
UD-Q4_K_M	16.7 GB	Fits	71K	142K

Qwen3.8-27B-QSA-GGUF 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.