llamaperf

Qwen3.8 27B

on AMD Radeon AI PRO R9700 32GB · LemonSeed Engine · 131,072 ctx

Tone: positiveAMD hardware
Oct 9, 2026
Throughput
158.5 t/s gen · 1636.0 tokens/s prompt processing (prefill)Prompt processing measures input prefill speed; it does not tell you the time to first token.
Quant
Q4
VRAM reported
32 GB

Use cases

coding

Summary

User reports Qwen3.8-27B at 158.5 tok/s decode on a Radeon AI PRO R9700 in an iPad Pro eGPU enclosure. Setup is LemonSeed Engine with Q4 weights and a Q8 DFlash2 draft, 131k context, speculative decoding on. Baseline decode is 31.2 tok/s and MTP=3 gives 108.7 tok/s; prefill at 4K is 1,636 tok/s and 1,395 tok/s at 32K. On Strix Halo (Radeon 8060S) the same model reaches 64.4 tok/s decode and 517 tok/s prefill at 4K.