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

Yes

Its IQ4_XS file (13.1 GB) fits in the 21.6 GB a Radeon RX 7900 XTX can use, with room for ≈ 125K tokens of context.

Full analysis of Qwen3.8-27B-GGUF Everything that runs on Radeon RX 7900 XTX Get the IQ4_XS file on Hugging Face

ollama run hf.co/byteshape/Qwen3.8-27B-GGUF:IQ4_XS

Files and context on Radeon RX 7900 XTX

Each file of Qwen3.8-27B-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)
IQ4_XS	13.1 GB	Fits	125K	249K
IQ3_S	11.0 GB	Fits	155K	256K
IQ3_XS	10.4 GB	Fits	165K	256K
IQ3_XXS	9.92 GB	Fits	172K	256K
IQ2_XXS	8.84 GB	Fits	188K	256K

Qwen3.8-27B-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.