How fast will Qwen 3.5/3.6 35B A3B feel on the AMD Instinct MI50 32GB?

Qwen 3.5/3.6 35B A3B on the AMD Instinct MI50 32GB

Qwen 3.5/3.6 35B A3B is a 35.95B-parameter mixture-of-experts model (3B active per token). At Q4_K_M it needs about 22.9 GB of memory. The AMD Instinct MI50 32GB has 30 GB usable, so it fits entirely in memory. Expect about 356 tokens/sec (178–535), with the first token after 0.4 s for a short prompt. This estimate is interpolated from benchmarks of similar setups.

Speed by quantization

QuantizationFile sizeMemoryGenerationFirst tokenSource
Q4_K_M22.1 GBFits356 tok/s0.4 sDerived
Q8_036.9 GBDoesn't fitWon't run——
FP1669.4 GBDoesn't fitWon't run——

Qwen 3.5/3.6 35B A3B on other hardware

Other models on the AMD Instinct MI50 32GB

All models on the AMD Instinct MI50 32GB · Qwen 3.5/3.6 35B A3B on all hardware

Estimates for a short prompt on a single device. Measured numbers come from community benchmarks (r/LocalLLaMA, localscore.ai and more); others are derived from similar setups or projected from specs. Open source on GitHub.