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Qwen3-4B-Thinking-2507 · IQ3_S

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AMD Radeon RX 907016GBvLLM v0.53L2 Cross-framework verified

This page aggregates 1 real-world runs of Qwen3-4B-Thinking-2507 (IQ3_S) on AMD Radeon RX 9070 with vLLM, contributed by 1 independent source platforms; metrics are averages of published measurements.

127.52 tok/s

Decode

Decode speed

534.05 tok/s

Prefill

Prefill speed

2.2 s

TTFT

Time to first token

7.64 GB

VRAM

VRAM usage

L2 Cross-framework verified

1

Measured runs

1

Independent sources

Other

Source platforms

5 days ago

Last verified

Performance

  1. vLLM · IQ3_S (current)Decode 127.52 · Prefill 534.05 ·
  2. vLLM · Q3_K_S Decode 140.19 · Prefill 769.84 ·

Core figures

Decode (avg)
127.52 tok/s
Prefill (avg)
534.05 tok/s
TTFT (avg)
2.2 s
VRAM (avg)
7.64 GB
MTP acceptance rate
—
TTFB
1.02 GB
Power draw
305.1 W

Configuration

Member-level fields are taken from the most recent run

Model
Qwen3-4B-Thinking-2507
Quantization
IQ3_S
Framework
vLLM
Version
v0.53
Context length
4096 tokens
Batch size
16
GPU layers
999
Flash Attention
On

Hardware

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

GPU
AMD Radeon RX 9070
Nominal VRAM
16 GB
Measured VRAM (avg)
7.64 GB
OS
Ubuntu 24.04
Driver
amdgpu 6.10
CUDA
N/A
Power draw
305.1 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

    v0.53 · Ubuntu 24.04 · CUDA N/A · 4096 ctx

    127.52 tok/s

    Decode

    534.05 tok/s

    Prefill

    2.2 s

    TTFT

    7.64 GB

    VRAM

    —

    MTP

    305.1 W

    Power draw

    L2 batch seed 2026-10-13: vLLM on hw_id=21 running model_id=57 at IQ3_S