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mammoth-1 · IQ4_XS

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NVIDIA RTX Spark128GBOllama v0.45L2 Cross-framework verified

This page aggregates 1 real-world runs of mammoth-1 (IQ4_XS) on NVIDIA RTX Spark with Ollama, contributed by 1 independent source platforms; metrics are averages of published measurements.

9.95 tok/s

Decode

Decode speed

46.04 tok/s

Prefill

Prefill speed

0.91 s

TTFT

Time to first token

44.06 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 · IQ1_S Decode 15.77 · Prefill 62.48 ·
  2. llama.cpp · Q4_K_M Decode 11.03 · Prefill 58.41 ·
  3. llama.cpp · Q4_K_S Decode 11.75 · Prefill 39.19 ·
  4. Ollama · IQ3_S Decode 12.19 · Prefill 51.57 ·
  5. Ollama · IQ4_XS (current)Decode 9.95 · Prefill 46.04 ·
  6. Ollama · Q4_K_M Decode 9.21 · Prefill 45.35 ·

Core figures

Decode (avg)
9.95 tok/s
Prefill (avg)
46.04 tok/s
TTFT (avg)
0.91 s
VRAM (avg)
44.06 GB
MTP acceptance rate
—
TTFB
0.08 GB
Power draw
55.3 W

Configuration

Member-level fields are taken from the most recent run

Model
mammoth-1
Quantization
IQ4_XS
Framework
Ollama
Version
v0.45
Context length
2048 tokens
Batch size
512
GPU layers
33
Flash Attention
On

Hardware

Nominal and measured figures are shown side by side; whether it runs is the reader's call

GPU
NVIDIA RTX Spark
Nominal VRAM
128 GB
Measured VRAM (avg)
44.06 GB
OS
Ubuntu 24.04
Driver
615.78
CUDA
13.0
Power draw
55.3 W
Reference price
$2,399 · updated 2026-10-19

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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

    v0.45 · Ubuntu 24.04 · CUDA 13.0 · 2048 ctx

    9.95 tok/s

    Decode

    46.04 tok/s

    Prefill

    0.91 s

    TTFT

    44.06 GB

    VRAM

    —

    MTP

    55.3 W

    Power draw

    L2 batch seed 2026-10-22: Ollama on hw_id=110 running model_id=94 at IQ4_XS