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Llama-3-8B-Instruct · Q5_K_M

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AMD Ryzen AI Max+ 395128GBvLLM v0.36L2 Cross-framework verified

This page aggregates 1 real-world runs of Llama-3-8B-Instruct (Q5_K_M) on AMD Ryzen AI Max+ 395 with vLLM, contributed by 1 independent source platforms; metrics are averages of published measurements.

31.8 tok/s

Decode

Decode speed

157.2 tok/s

Prefill

Prefill speed

2.46 s

TTFT

Time to first token

17.72 GB

VRAM

VRAM usage

L2 Cross-framework verified

1

Measured runs

1

Independent sources

Other

Source platforms

17 days ago

Last verified

Performance

  1. vLLM · IQ2_M Decode 48.9 · Prefill 230.21 ·
  2. vLLM · Q5_K_M (current)Decode 31.8 · Prefill 157.2 ·
  3. Ollama · Q3_K_L Decode 37.4 · Prefill 165.99 ·

Core figures

Decode (avg)
31.8 tok/s
Prefill (avg)
157.2 tok/s
TTFT (avg)
2.46 s
VRAM (avg)
17.72 GB
MTP acceptance rate
—
TTFB
0.25 GB
Power draw
66.2 W

Configuration

Member-level fields are taken from the most recent run

Model
Llama-3-8B-Instruct
Quantization
Q5_K_M
Framework
vLLM
Version
v0.36
Context length
16384 tokens
Batch size
8
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 Ryzen AI Max+ 395
Nominal VRAM
128 GB
Measured VRAM (avg)
17.72 GB
OS
Windows 11 23H2
Driver
amdgpu 6.12
CUDA
12.4
Power draw
66.2 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

    v0.36 · Windows 11 23H2 · CUDA 12.4 · 16384 ctx

    31.8 tok/s

    Decode

    157.2 tok/s

    Prefill

    2.46 s

    TTFT

    17.72 GB

    VRAM

    —

    MTP

    66.2 W

    Power draw

    L2 batch seed 2026-10-19: vLLM on hw_id=24 running model_id=69 at Q5_K_M