Qwen3.8 27B
on AMD Radeon AI PRO R9700 32GB · llama.cpp
Sep 7, 2026
Summary
User asks for real-world sustained t/s on an R9700 with Qwen3.8-27B Q4 at 64K context and above.
User cites an AMD blog figure of 51.8 t/s and 5090 benchmarks showing degradation from 75 t/s at 4K to about 26 t/s at 64K.
User also asks about MTP speculative decoding stability.