llamaperf

Qwen3.8 27B

on M5 Ultra 96GB

Apple hardware
Sep 7, 2026
Throughput
15.0 t/s gen
Quant
Q8
System RAM
96 GB
VRAM reported
96 GB

Use cases

agentic

Summary

User compares an M5 Ultra 96GB against an M5 Max 128GB for running Qwen3.8-27B at Q8, and reports about 15 t/s on the Ultra. The user also discusses Qwen3.8-Flash-Next, a multimodal MoE with 176B total parameters and about 6B active, and estimates it will not fit in 96GB. MLX and llama.cpp are mentioned as possible engines, but the user does not confirm using either.