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mammoth-1 · Q4_K_S

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AMD Ryzen AI Max+ 395128GBvLLM v0.21L2 Cross-framework verified

This page aggregates 1 real-world runs of mammoth-1 (Q4_K_S) on AMD Ryzen AI Max+ 395 with vLLM, contributed by 1 independent source platforms; metrics are averages of published measurements.

27.6 tok/s

Decode

Decode speed

131.32 tok/s

Prefill

Prefill speed

1.78 s

TTFT

Time to first token

46.33 GB

VRAM

VRAM usage

L2 Cross-framework verified

1

Measured runs

1

Independent sources

Other

Source platforms

13 days ago

Last verified

Performance

  1. llama.cpp · Q4_K_S Decode 26.2 · Prefill 94.34 ·
  2. vLLM · Q4_K_S (current)Decode 27.6 · Prefill 131.32 ·

Core figures

Decode (avg)
27.6 tok/s
Prefill (avg)
131.32 tok/s
TTFT (avg)
1.78 s
VRAM (avg)
46.33 GB
MTP acceptance rate
—
TTFB
0.22 GB
Power draw
49.4 W

Configuration

Member-level fields are taken from the most recent run

Model
mammoth-1
Quantization
Q4_K_S
Framework
vLLM
Version
v0.21
Context length
32768 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
AMD Ryzen AI Max+ 395
Nominal VRAM
128 GB
Measured VRAM (avg)
46.33 GB
OS
Windows 11 23H2
Driver
amdgpu 6.11
CUDA
12.8
Power draw
49.4 W

Get started

Original model resources

Base model resources may not match this quantization. Use the verified deployment weights above when available.

Sources & evidence

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

  1. L2 Cross-framework verifiedOtherOriginal link Verified on 2026-10-22

    v0.21 · Windows 11 23H2 · CUDA 12.8 · 32768 ctx

    27.6 tok/s

    Decode

    131.32 tok/s

    Prefill

    1.78 s

    TTFT

    46.33 GB

    VRAM

    —

    MTP

    49.4 W

    Power draw

    L2 batch seed 2026-10-22: vLLM on hw_id=24 running model_id=94 at Q4_K_S