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Qwen3.5-0.8B · IQ3_XS

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2x AMD Strix HalovLLM v0.46L2 Cross-framework verified

This page aggregates 1 real-world runs of Qwen3.5-0.8B (IQ3_XS) on 2x AMD Strix Halo with vLLM, contributed by 1 independent source platforms; metrics are averages of published measurements.

352.1 tok/s

Decode

Decode speed

1,673.75 tok/s

Prefill

Prefill speed

2.31 s

TTFT

Time to first token

3.14 GB

VRAM

VRAM usage

L2 Cross-framework verified

1

Measured runs

1

Independent sources

Other

Source platforms

2 days ago

Last verified

Performance

  1. vLLM · FP16 Decode 163.9 · Prefill 573.99 ·
  2. vLLM · IQ3_XS (current)Decode 352.1 · Prefill 1673.75 ·
  3. Strata · Q2_K Decode 284.75 · Prefill 1118.17 ·
  4. Strata · Q5_K_S Decode 358.45 · Prefill 1286.06 ·

Core figures

Decode (avg)
352.1 tok/s
Prefill (avg)
1,673.75 tok/s
TTFT (avg)
2.31 s
VRAM (avg)
3.14 GB
MTP acceptance rate
—
TTFB
2.82 GB
Power draw
83.5 W

Configuration

Member-level fields are taken from the most recent run

Model
Qwen3.5-0.8B
Quantization
IQ3_XS
Framework
vLLM
Version
v0.46
Context length
32768 tokens
Batch size
32
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
2x AMD Strix Halo
Measured VRAM (avg)
3.14 GB
OS
Ubuntu 22.04
Driver
565.57
CUDA
N/A
Power draw
83.5 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

    v0.46 · Ubuntu 22.04 · CUDA N/A · 32768 ctx

    352.1 tok/s

    Decode

    1,673.75 tok/s

    Prefill

    2.31 s

    TTFT

    3.14 GB

    VRAM

    —

    MTP

    83.5 W

    Power draw

    L2 batch seed 2026-10-16: vLLM on hw_id=88 running model_id=51 at IQ3_XS