Qwen3.8 27B
on AMD RX 9070 · llama.cpp · 131,072 ctx
Use cases
codingagentic
Summary
User reports Qwen3.8 27B at 600 t/s prefill and 22-26 t/s generation on an RX 9070 16GB.
Setup is llama.cpp with IQ3_S GGUF and q4_0 KV cache at 131072 context, using about 15.2GB of VRAM.
MTP is not active because it did not improve performance and used more VRAM; generation starts at 26 t/s and degrades to 22 t/s at full context.