Can I run Qwen3.8-27B-Uncensored-GGUF on an RTX 4090?
Yes, just
Its Q5_K_M file (19.5 GB) fits in the 21.6 GB an RTX 4090 can use, with room for ≈ 28K tokens of context.
Full analysis of Qwen3.8-27B-Uncensored-GGUF
Everything that runs on RTX 4090
Get the Q5_K_M file on Hugging Face
ollama run hf.co/JonathanColetti/Qwen3.8-27B-Uncensored-GGUF:Q5_K_MFiles and context on RTX 4090
Each file of Qwen3.8-27B-Uncensored-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 RTX 4090 | Context (16-bit) | Context (8-bit) |
|---|---|---|---|---|
| Q8_0 | 29.0 GB | Doesn't fit | — | — |
| Qwen3.8-27B-Uncensored-noMTP-Q8_0 | 28.6 GB | Doesn't fit | — | — |
| Q6_K | 22.4 GB | Doesn't fit | — | — |
| Qwen3.8-27B-Uncensored-noMTP-Q6_K | 22.1 GB | Doesn't fit | — | — |
| Q5_K_M | 19.5 GB | Tight | 28K | 57K |
| Qwen3.8-27B-Uncensored-noMTP-Q5_K_M | 19.2 GB | Tight | 33K | 66K |
| Q4_K_M | 16.8 GB | Fits | 69K | 138K |
| Qwen3.8-27B-Uncensored-noMTP-Q4_K_M | 16.5 GB | Fits | 73K | 146K |
| IQ4_XS | 15.3 GB | Fits | 91K | 183K |
| Qwen3.8-27B-Uncensored-noMTP-IQ4_XS | 15.1 GB | Fits | 95K | 190K |
| IQ2_M | 10.6 GB | Fits | 161K | 256K |
| Qwen3.8-27B-Uncensored-noMTP-IQ2_M | 10.2 GB | Fits | 168K | 256K |