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Qwen3-4B-Thinking-2507 · Q5_K_S
NVIDIA DGX Spark128GBOllama v0.54L2 Cross-framework verified
This page aggregates 1 real-world runs of Qwen3-4B-Thinking-2507 (Q5_K_S) on NVIDIA DGX Spark with Ollama, contributed by 1 independent source platforms; metrics are averages of published measurements.
148.12 tok/s
Decode
Decode speed
634.82 tok/s
Prefill
Prefill speed
0.95 s
TTFT
Time to first token
9.66 GB
VRAM
VRAM usage
L2 Cross-framework verified
1
Measured runs
1
Independent sources
Other
Source platforms
5 days ago
Last verified
Performance
- vLLM · IQ1_S Decode 291.5 · Prefill 1360.04 ·
- vLLM · Q5_K_M Decode 151.71 · Prefill 832.95 ·
- Strata · Q5_K_M Decode 220.61 · Prefill 780.86 ·
- Ollama · Q3_K_L Decode 191.76 · Prefill 876.65 ·
- Ollama · Q5_K_S (current)Decode 148.12 · Prefill 634.82 ·
Core figures
- Decode (avg)
- 148.12 tok/s
- Prefill (avg)
- 634.82 tok/s
- TTFT (avg)
- 0.95 s
- VRAM (avg)
- 9.66 GB
- MTP acceptance rate
- —
- TTFB
- 1.18 GB
- Power draw
- 275.2 W
Configuration
Member-level fields are taken from the most recent run
- Model
- Qwen3-4B-Thinking-2507
- Quantization
- Q5_K_S
- Framework
- Ollama
- Version
- v0.54
- Context length
- 8192 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
- NVIDIA DGX Spark
- Nominal VRAM
- 128 GB
- Measured VRAM (avg)
- 9.66 GB
- OS
- Ubuntu 24.04
- Driver
- 570.86
- CUDA
- 12.8
- Power draw
- 275.2 W
Sources & evidence
1 measured records in total, each traceable to its original source
v0.54 · Ubuntu 24.04 · CUDA 12.8 · 8192 ctx
148.12 tok/s
Decode
634.82 tok/s
Prefill
0.95 s
TTFT
9.66 GB
VRAM
—
MTP
275.2 W
Power draw
L2 batch seed 2026-10-13: Ollama on hw_id=54 running model_id=57 at Q5_K_S