Back to search results

Qwen3-8B · IQ3_XS

Start a discussion
Apple M5 Max128GBllama.cpp v0.47L2 Cross-framework verified

This page aggregates 1 real-world runs of Qwen3-8B (IQ3_XS) on Apple M5 Max with llama.cpp, contributed by 1 independent source platforms; metrics are averages of published measurements.

233.71 tok/s

Decode

Decode speed

783.62 tok/s

Prefill

Prefill speed

0.97 s

TTFT

Time to first token

12.52 GB

VRAM

VRAM usage

L2 Cross-framework verified

1

Measured runs

1

Independent sources

Other

Source platforms

2 days ago

Last verified

Performance

  1. llama.cpp · IQ3_XS (current)Decode 233.71 · Prefill 783.62 ·
  2. Ollama · IQ3_XS Decode 212.17 · Prefill 767.04 ·
  3. Ollama · Q4_K_S Decode 185.61 · Prefill 631.22 ·
  4. llama.cpp · Q6_K Decode 137.3 · Prefill 696.86 ·
  5. Strata · Q4_K_M Decode 252.52 · Prefill 1255.16 ·

Core figures

Decode (avg)
233.71 tok/s
Prefill (avg)
783.62 tok/s
TTFT (avg)
0.97 s
VRAM (avg)
12.52 GB
MTP acceptance rate
—
TTFB
1.87 GB
Power draw
197.6 W

Configuration

Member-level fields are taken from the most recent run

Model
Qwen3-8B
Quantization
IQ3_XS
Framework
llama.cpp
Version
v0.47
Context length
32768 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 Max
Nominal VRAM
128 GB
Measured VRAM (avg)
12.52 GB
OS
macOS 15.0
Driver
560.94
CUDA
12.8
Power draw
197.6 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

    v0.47 · macOS 15.0 · CUDA 12.8 · 32768 ctx

    233.71 tok/s

    Decode

    783.62 tok/s

    Prefill

    0.97 s

    TTFT

    12.52 GB

    VRAM

    —

    MTP

    197.6 W

    Power draw

    L2 batch seed 2026-10-16: llama.cpp on hw_id=28 running model_id=53 at IQ3_XS