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Qwen3-1.7B · IQ3_S

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AMD Ryzen AI Max+ 395128GBvLLM v0.24L2 Cross-framework verified

This page aggregates 1 real-world runs of Qwen3-1.7B (IQ3_S) on AMD Ryzen AI Max+ 395 with vLLM, contributed by 1 independent source platforms; metrics are averages of published measurements.

246.99 tok/s

Decode

Decode speed

860.32 tok/s

Prefill

Prefill speed

1.64 s

TTFT

Time to first token

4.45 GB

VRAM

VRAM usage

L2 Cross-framework verified

1

Measured runs

1

Independent sources

Other

Source platforms

5 days ago

Last verified

Performance

  1. llama.cpp · Q4_K_M Decode 187.84 · Prefill 854.19 ·
  2. vLLM · IQ1_S Decode 304.08 · Prefill 1413.06 ·
  3. llama.cpp · Q5_K_M Decode 145.14 · Prefill 763.75 ·
  4. vLLM · IQ3_S (current)Decode 246.99 · Prefill 860.32 ·
  5. vLLM · Q8_0 Decode 132.62 · Prefill 633.28 ·

Core figures

Decode (avg)
246.99 tok/s
Prefill (avg)
860.32 tok/s
TTFT (avg)
1.64 s
VRAM (avg)
4.45 GB
MTP acceptance rate
—
TTFB
1.98 GB
Power draw
36.8 W

Configuration

Member-level fields are taken from the most recent run

Model
Qwen3-1.7B
Quantization
IQ3_S
Framework
vLLM
Version
v0.24
Context length
4096 tokens
Batch size
8
GPU layers
999
Flash Attention
Off

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)
4.45 GB
OS
Windows 11 23H2
Driver
AMD Adrenalin 25.10.1
CUDA
N/A
Power draw
36.8 W

Sources & evidence

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

  1. L2 Cross-framework verifiedOtherOriginal link Verified on 2026-10-13

    v0.24 · Windows 11 23H2 · CUDA N/A · 4096 ctx

    246.99 tok/s

    Decode

    860.32 tok/s

    Prefill

    1.64 s

    TTFT

    4.45 GB

    VRAM

    —

    MTP

    36.8 W

    Power draw

    L2 batch seed 2026-10-13: vLLM on hw_id=24 running model_id=55 at IQ3_S