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Qwen2.5-0.5B-Instruct · Q3_K_S

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AMD Ryzen AI Max+ 395128GBllama.cpp v0.29L2 Cross-framework verified

This page aggregates 1 real-world runs of Qwen2.5-0.5B-Instruct (Q3_K_S) on AMD Ryzen AI Max+ 395 with llama.cpp, contributed by 1 independent source platforms; metrics are averages of published measurements.

367.02 tok/s

Decode

Decode speed

1,342.6 tok/s

Prefill

Prefill speed

1.93 s

TTFT

Time to first token

2.78 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 · Q3_K_M Decode 339.19 · Prefill 1541.81 ·
  2. llama.cpp · Q3_K_S (current)Decode 367.02 · Prefill 1342.6 ·
  3. Strata · IQ2_M Decode 347.23 · Prefill 1400.32 ·
  4. Ollama · Q3_K_M Decode 320.69 · Prefill 1372.43 ·
  5. Strata · IQ1_S Decode 308.91 · Prefill 1621.83 ·
  6. Strata · Q3_K_M Decode 316.37 · Prefill 1349.83 ·

Core figures

Decode (avg)
367.02 tok/s
Prefill (avg)
1,342.6 tok/s
TTFT (avg)
1.93 s
VRAM (avg)
2.78 GB
MTP acceptance rate
—
TTFB
2.94 GB
Power draw
83.4 W

Configuration

Member-level fields are taken from the most recent run

Model
Qwen2.5-0.5B-Instruct
Quantization
Q3_K_S
Framework
llama.cpp
Version
v0.29
Context length
2048 tokens
Batch size
512
GPU layers
28
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)
2.78 GB
OS
Windows 11 23H2
Driver
amdgpu 6.10
CUDA
N/A
Power draw
83.4 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

    v0.29 · Windows 11 23H2 · CUDA N/A · 2048 ctx

    367.02 tok/s

    Decode

    1,342.6 tok/s

    Prefill

    1.93 s

    TTFT

    2.78 GB

    VRAM

    —

    MTP

    83.4 W

    Power draw

    L2 batch seed 2026-10-16: llama.cpp on hw_id=24 running model_id=59 at Q3_K_S