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Qwen3.5-27B · Q3_K_M

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Apple M4 Max128GBvLLM v0.54L2 Cross-framework verified

This page aggregates 1 real-world runs of Qwen3.5-27B (Q3_K_M) on Apple M4 Max with vLLM, contributed by 1 independent source platforms; metrics are averages of published measurements.

166.04 tok/s

Decode

Decode speed

735.49 tok/s

Prefill

Prefill speed

2.33 s

TTFT

Time to first token

40.66 GB

VRAM

VRAM usage

L2 Cross-framework verified

1

Measured runs

1

Independent sources

Other

Source platforms

Today

Last verified

Performance

  1. llama.cpp · IQ3_S Decode 165.6 · Prefill 722.22 ·
  2. vLLM · Q3_K_M (current)Decode 166.04 · Prefill 735.49 ·
  3. Ollama · Q3_K_S Decode 165.47 · Prefill 649.98 ·
  4. Ollama · Q5_K_S Decode 111.59 · Prefill 447.41 ·

Core figures

Decode (avg)
166.04 tok/s
Prefill (avg)
735.49 tok/s
TTFT (avg)
2.33 s
VRAM (avg)
40.66 GB
MTP acceptance rate
—
TTFB
1.33 GB
Power draw
68.7 W

Configuration

Member-level fields are taken from the most recent run

Model
Qwen3.5-27B
Quantization
Q3_K_M
Framework
vLLM
Version
v0.54
Context length
4096 tokens
Batch size
16
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
Apple M4 Max
Nominal VRAM
128 GB
Measured VRAM (avg)
40.66 GB
OS
macOS 15.0
Driver
Apple M4 Max
CUDA
N/A
Power draw
68.7 W

Sources & evidence

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

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

    v0.54 · macOS 15.0 · CUDA N/A · 4096 ctx

    166.04 tok/s

    Decode

    735.49 tok/s

    Prefill

    2.33 s

    TTFT

    40.66 GB

    VRAM

    —

    MTP

    68.7 W

    Power draw

    L2 batch seed 2026-10-10: vLLM on hw_id=26 running model_id=50 at Q3_K_M