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Qwen3.6-27B · Q4_K_M

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NVIDIA RTX Spark128GBllama.cpp v0.29L2 Cross-framework verified

This page aggregates 1 real-world runs of Qwen3.6-27B (Q4_K_M) on NVIDIA RTX Spark with llama.cpp, contributed by 1 independent source platforms; metrics are averages of published measurements.

10.95 tok/s

Decode

Decode speed

50.01 tok/s

Prefill

Prefill speed

0.69 s

TTFT

Time to first token

48.59 GB

VRAM

VRAM usage

L2 Cross-framework verified

1

Measured runs

1

Independent sources

Other

Source platforms

16 days ago

Last verified

Performance

  1. llama.cpp · FP16 Decode 5.5 · Prefill 19.76 ·
  2. llama.cpp · Q5_K_M Decode 8.41 · Prefill 32.22 ·
  3. llama.cpp · Q8_0 Decode 7.68 · Prefill 32.82 ·
  4. Ollama · Q5_K_M Decode 8.83 · Prefill 30.38 ·
  5. Ollama · Q8_0 Decode 6.72 · Prefill 25.96 ·
  6. llama.cpp · IQ3_S Decode 13.81 · Prefill 45.91 ·
  7. llama.cpp · Q4_K_M (current)Decode 10.95 · Prefill 50.01 ·
  8. Ollama · Q4_K_M Decode 10.39 · Prefill 39.74 ·

Core figures

Decode (avg)
10.95 tok/s
Prefill (avg)
50.01 tok/s
TTFT (avg)
0.69 s
VRAM (avg)
48.59 GB
MTP acceptance rate
—
TTFB
0.09 GB
Power draw
68.9 W

Configuration

Member-level fields are taken from the most recent run

Model
Qwen3.6-27B
Quantization
Q4_K_M
Framework
llama.cpp
Version
v0.29
Context length
16384 tokens
Batch size
256
GPU layers
33
Flash Attention
Off

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)
48.59 GB
OS
Ubuntu 24.04
Driver
NVIDIA 590.10
CUDA
13.0
Power draw
68.9 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 2026-10-19

    v0.29 · Ubuntu 24.04 · CUDA 13.0 · 16384 ctx

    10.95 tok/s

    Decode

    50.01 tok/s

    Prefill

    0.69 s

    TTFT

    48.59 GB

    VRAM

    —

    MTP

    68.9 W

    Power draw

    L2 batch seed 2026-10-19: llama.cpp on hw_id=110 running model_id=6 at Q4_K_M