llamaperf

Gemma 4 26B (4B active)

on AMD MI50 32GB · Ollama

Tone: positiveAMD hardware
Sep 29, 2026
Throughput
95.0 tokens/s prompt processing (prefill)Prompt processing measures input prefill speed; it does not tell you the time to first token.
Quant
Q4_K_M (GGUF)
KV cache
q8_0
VRAM reported
32 GB

Summary

User reports Gemma 4 26B at 65-68 tok/s on an AMD Instinct MI50 32GB. Setup is Ollama v0.32.14 with Q4_K_M and q8_0 KV cache, flash attention on, all layers offloaded, MTP speculative decoding enabled automatically. The figure is a range; short answers reach ~95 tok/s prompt eval. A QAT Q4_0 build with MTP reaches ~78 tok/s, and Qwen 3.5 35B Q6_K runs at ~52 tok/s with ~541 tok/s prompt eval. Power overdrive to 160W adds another +8-9%.