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Qwen3.5-0.8B · Q8_0
NVIDIA RTX 4070 Ti12GBvLLM v0.27L2 Cross-framework verified
This page aggregates 1 real-world runs of Qwen3.5-0.8B (Q8_0) on NVIDIA RTX 4070 Ti with vLLM, contributed by 1 independent source platforms; metrics are averages of published measurements.
188.8 tok/s
Decode
Decode speed
665.28 tok/s
Prefill
Prefill speed
1.56 s
TTFT
Time to first token
4.03 GB
VRAM
VRAM usage
L2 Cross-framework verified
1
Measured runs
1
Independent sources
Other
Source platforms
Today
Last verified
Performance
- llama.cpp · IQ4_XS Decode 272.81 · Prefill 1057.01 ·
- vLLM · IQ3_S Decode 341.56 · Prefill 1371.63 ·
- vLLM · Q8_0 (current)Decode 188.8 · Prefill 665.28 ·
- llama.cpp · IQ3_XS Decode 242.17 · Prefill 959.61 ·
- llama.cpp · Q3_K_S Decode 230.59 · Prefill 747.57 ·
Core figures
- Decode (avg)
- 188.8 tok/s
- Prefill (avg)
- 665.28 tok/s
- TTFT (avg)
- 1.56 s
- VRAM (avg)
- 4.03 GB
- MTP acceptance rate
- —
- TTFB
- 1.51 GB
- Power draw
- 315.2 W
Configuration
Member-level fields are taken from the most recent run
- Model
- Qwen3.5-0.8B
- Quantization
- Q8_0
- Framework
- vLLM
- Version
- v0.27
- Context length
- 8192 tokens
- Batch size
- 16
- GPU layers
- 999
- Flash Attention
- On
Hardware
Nominal and measured figures are shown side by side; whether it runs is the reader's call
- GPU
- NVIDIA RTX 4070 Ti
- Nominal VRAM
- 12 GB
- Measured VRAM (avg)
- 4.03 GB
- OS
- Ubuntu 24.04
- Driver
- 572.83
- CUDA
- 12.6
- Power draw
- 315.2 W
Sources & evidence
1 measured records in total, each traceable to its original source
v0.27 · Ubuntu 24.04 · CUDA 12.6 · 8192 ctx
188.8 tok/s
Decode
665.28 tok/s
Prefill
1.56 s
TTFT
4.03 GB
VRAM
—
MTP
315.2 W
Power draw
L2 batch seed 2026-10-18: vLLM on hw_id=42 running model_id=51 at Q8_0