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Qwen3.5-0.8B · Q4_K_M
NVIDIA RTX 507012GBllama.cpp v0.51L2 Cross-framework verified
This page aggregates 1 real-world runs of Qwen3.5-0.8B (Q4_K_M) on NVIDIA RTX 5070 with llama.cpp, contributed by 1 independent source platforms; metrics are averages of published measurements.
186.5 tok/s
Decode
Decode speed
627.46 tok/s
Prefill
Prefill speed
0.33 s
TTFT
Time to first token
3.48 GB
VRAM
VRAM usage
L2 Cross-framework verified
1
Measured runs
1
Independent sources
Other
Source platforms
Today
Last verified
Performance
- llama.cpp · Q4_K_M (current)Decode 186.5 · Prefill 627.46 ·
- Ollama · FP16 Decode 84.08 · Prefill 290.65 ·
- Ollama · IQ1_S Decode 239.86 · Prefill 1174.67 ·
- vLLM · IQ3_XS Decode 223.3 · Prefill 1047.53 ·
- vLLM · IQ4_XS Decode 188.25 · Prefill 873.82 ·
- Ollama · Q3_K_S Decode 197.53 · Prefill 685.98 ·
- Ollama · Q5_K_S Decode 124.72 · Prefill 677.51 ·
- Strata · IQ4_XS Decode 233.02 · Prefill 915.89 ·
- Strata · Q6_K Decode 189.01 · Prefill 746.35 ·
- llama.cpp · Q8_0 Decode 582.4 · Prefill 4368 ·
Core figures
- Decode (avg)
- 186.5 tok/s
- Prefill (avg)
- 627.46 tok/s
- TTFT (avg)
- 0.33 s
- VRAM (avg)
- 3.48 GB
- MTP acceptance rate
- —
- TTFB
- 1.49 GB
- Power draw
- 223.9 W
Configuration
Member-level fields are taken from the most recent run
- Model
- Qwen3.5-0.8B
- Quantization
- Q4_K_M
- Framework
- llama.cpp
- Version
- v0.51
- Context length
- 4096 tokens
- Batch size
- 256
- GPU layers
- 20
- Flash Attention
- On
Hardware
Nominal and measured figures are shown side by side; whether it runs is the reader's call
- GPU
- NVIDIA RTX 5070
- Nominal VRAM
- 12 GB
- Measured VRAM (avg)
- 3.48 GB
- OS
- Windows 11 24H2
- Driver
- 565.57
- CUDA
- 13.0
- Power draw
- 223.9 W
Sources & evidence
1 measured records in total, each traceable to its original source
v0.51 · Windows 11 24H2 · CUDA 13.0 · 4096 ctx
186.5 tok/s
Decode
627.46 tok/s
Prefill
0.33 s
TTFT
3.48 GB
VRAM
—
MTP
223.9 W
Power draw
L2 batch seed 2026-10-18: llama.cpp on hw_id=18 running model_id=51 at Q4_K_M