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

Yes

Its IQ3_S file (12.2 GB) fits in the 21.6 GB a Radeon RX 7900 XTX can use, with room for ≈ 137K tokens of context.

Full analysis of Qwen3.8-27B-Heretic-GSQ-RCO-GGUF Everything that runs on Radeon RX 7900 XTX Get the IQ3_S file on Hugging Face

ollama run hf.co/0bserverx/Qwen3.8-27B-Heretic-GSQ-RCO-GGUF:IQ3_S

Files and context on Radeon RX 7900 XTX

Each file of Qwen3.8-27B-Heretic-GSQ-RCO-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)
IQ3_S	12.2 GB	Fits	137K	256K
RVN-Qwen3.8-27B-Heretic-GSQ-RCO-IQ3_S	11.8 GB	Fits	144K	256K
IQ3_XXS	10.6 GB	Fits	162K	256K
RVN-Qwen3.8-27B-Heretic-GSQ-RCO-IQ3_XXS	10.1 GB	Fits	169K	256K
IQ2_S	9.73 GB	Fits	175K	256K
RVN-Qwen3.8-27B-Heretic-GSQ-RCO-IQ2_S	9.28 GB	Fits	181K	256K
IQ2_XS	8.90 GB	Fits	187K	256K
RVN-Qwen3.8-27B-Heretic-GSQ-RCO-IQ2_XS	8.45 GB	Fits	194K	256K

Qwen3.8-27B-Heretic-GSQ-RCO-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.