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Qwen3.5-0.8B · IQ3_XS

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Apple M5 Ultra512GBOllama v0.33L2 Cross-framework verified

This page aggregates 1 real-world runs of Qwen3.5-0.8B (IQ3_XS) on Apple M5 Ultra with Ollama, contributed by 1 independent source platforms; metrics are averages of published measurements.

260.88 tok/s

Decode

Decode speed

1,003.67 tok/s

Prefill

Prefill speed

1.96 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

16 days ago

Last verified

Performance

  1. llama.cpp · Q8_0 Decode 165.05 · Prefill 859.2 ·
  2. Ollama · IQ2_M Decode 328.08 · Prefill 1800.71 ·
  3. Ollama · IQ3_XS (current)Decode 260.88 · Prefill 1003.67 ·

Core figures

Decode (avg)
260.88 tok/s
Prefill (avg)
1,003.67 tok/s
TTFT (avg)
1.96 s
VRAM (avg)
3.14 GB
MTP acceptance rate
—
TTFB
2.09 GB
Power draw
137.7 W

Configuration

Member-level fields are taken from the most recent run

Model
Qwen3.5-0.8B
Quantization
IQ3_XS
Framework
Ollama
Version
v0.33
Context length
4096 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
Apple M5 Ultra
Nominal VRAM
512 GB
Measured VRAM (avg)
3.14 GB
OS
macOS 26.1
Power draw
137.7 W

Sources & evidence

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

  1. L2 Cross-framework verifiedOtherOriginal link Verified on 2026-10-19

    v0.33 · macOS 26.1 · 4096 ctx

    260.88 tok/s

    Decode

    1,003.67 tok/s

    Prefill

    1.96 s

    TTFT

    3.14 GB

    VRAM

    —

    MTP

    137.7 W

    Power draw

    L2 batch seed 2026-10-19: Ollama on hw_id=29 running model_id=51 at IQ3_XS