Qwen3.8 27B
on AMD RX 7900 XTX · 220,000 ctx
Use cases
agenticlong-context
Summary
User asks for hardware upgrade advice for running local LLMs, currently using an RX 7900 XTX with a Ryzen 5600X and 64GB DDR4. They report running Qwen3.8 27B at Q4 with 128k to 220k context and Q8 KV cache, getting up to 50 t/s generation and around 750 t/s prompt ingestion. They are considering 2-4 MI50 16GB cards or a second 7900 XTX, and ask about motherboard recommendations.