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Qwen3-4B · IQ1_S

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AMD Ryzen AI Max+ 395128GBOllama v0.51L2 Cross-framework verified

This page aggregates 1 real-world runs of Qwen3-4B (IQ1_S) on AMD Ryzen AI Max+ 395 with Ollama, contributed by 1 independent source platforms; metrics are averages of published measurements.

170.91 tok/s

Decode

Decode speed

585.17 tok/s

Prefill

Prefill speed

1.77 s

TTFT

Time to first token

5.63 GB

VRAM

VRAM usage

L2 Cross-framework verified

1

Measured runs

1

Independent sources

Other

Source platforms

2 days ago

Last verified

Performance

  1. llama.cpp · Q6_K Decode 104.54 · Prefill 394.29 ·
  2. Ollama · IQ1_S (current)Decode 170.91 · Prefill 585.17 ·
  3. Ollama · IQ2_M Decode 170.8 · Prefill 683.91 ·
  4. Ollama · Q2_K Decode 165.94 · Prefill 894.2 ·
  5. Ollama · Q5_K_S Decode 109.99 · Prefill 499.66 ·

Core figures

Decode (avg)
170.91 tok/s
Prefill (avg)
585.17 tok/s
TTFT (avg)
1.77 s
VRAM (avg)
5.63 GB
MTP acceptance rate
—
TTFB
1.37 GB
Power draw
117.3 W

Configuration

Member-level fields are taken from the most recent run

Model
Qwen3-4B
Quantization
IQ1_S
Framework
Ollama
Version
v0.51
Context length
32768 tokens
Batch size
512
GPU layers
99
Flash Attention
On

Hardware

Nominal and measured figures are shown side by side; whether it runs is the reader's call

GPU
AMD Ryzen AI Max+ 395
Nominal VRAM
128 GB
Measured VRAM (avg)
5.63 GB
OS
Windows 11 23H2
Driver
555.85
CUDA
N/A
Power draw
117.3 W

Sources & evidence

1 measured records in total, each traceable to its original source

  1. L2 Cross-framework verifiedOtherOriginal link Verified on 2026-10-16

    v0.51 · Windows 11 23H2 · CUDA N/A · 32768 ctx

    170.91 tok/s

    Decode

    585.17 tok/s

    Prefill

    1.77 s

    TTFT

    5.63 GB

    VRAM

    —

    MTP

    117.3 W

    Power draw

    L2 batch seed 2026-10-16: Ollama on hw_id=24 running model_id=54 at IQ1_S