How fast will Qwen 3.6/3.8 27B feel on the AMD Ryzen AI Max+ 395 128GB (Strix Halo)?

Qwen 3.6/3.8 27B on the AMD Ryzen AI Max+ 395 128GB (Strix Halo)

Qwen 3.6/3.8 27B is a 27.78B-parameter model. At Q4_K_M it needs about 17.6 GB of memory. The AMD Ryzen AI Max+ 395 128GB (Strix Halo) has 119 GB usable, so it fits entirely in memory. Expect about 9.5 tokens/sec (5.7–13), with the first token after 0.6 s for a short prompt. This estimate is interpolated from benchmarks of similar setups.

Speed by quantization

QuantizationFile sizeMemoryGenerationFirst tokenSource
Q4_K_M16.8 GBFits9.5 tok/s0.6 sDerived
Q8_028.6 GBFits6.4 tok/s0.4 sMeasured
FP1653.8 GBFits3.0 tok/s0.6 sDerived

Qwen 3.6/3.8 27B on other hardware

Other models on the AMD Ryzen AI Max+ 395 128GB (Strix Halo)

All models on the AMD Ryzen AI Max+ 395 128GB (Strix Halo) · Qwen 3.6/3.8 27B 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.