llamaperf

Qwen3 32B

on AMD Strix Halo 128GB · llama.cpp 1d49ca3 (author-reported) / Vulkan RADV

AMD hardware
Oct 14, 2026
Throughput
6.4 t/s gen · 84.9 tokens/s prompt processing (prefill)Prompt processing measures input prefill speed; it does not tell you the time to first token.
Quant
Q8_0 (GGUF)
Flash Attention
on
System RAM
128 GB

Summary

User reports Qwen3-32B-Q8_0 at 6.4 t/s generation and 84.9 t/s prompt processing on an AMD Strix Halo 128GB system. Setup is llama.cpp with the Vulkan (RADV) backend, FA 1 and ngl 99, on a single AMD Radeon Graphics (RADV GFX1151) device. The figures come from separate llama-bench phases: PP512 at 84.87 +/- 0.35 t/s and TG128 at 6.43 +/- 0.01 t/s. Context depth, thread count and KV cache type are unreported.