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Llama-3.1-8B-Instruct · Q3_K_L
NVIDIA RTX 4080 Super16GBvLLM v0.51L2 Cross-framework verified
This page aggregates 1 real-world runs of Llama-3.1-8B-Instruct (Q3_K_L) on NVIDIA RTX 4080 Super with vLLM, contributed by 1 independent source platforms; metrics are averages of published measurements.
177.01 tok/s
Decode
Decode speed
908.47 tok/s
Prefill
Prefill speed
1.17 s
TTFT
Time to first token
14.2 GB
VRAM
VRAM usage
L2 Cross-framework verified
1
Measured runs
1
Independent sources
Other
Source platforms
Today
Last verified
Performance
- vLLM · IQ2_M Decode 224.52 · Prefill 1147.46 ·
- vLLM · Q3_K_L (current)Decode 177.01 · Prefill 908.47 ·
- Ollama · IQ2_M Decode 204.79 · Prefill 1109.54 ·
Core figures
- Decode (avg)
- 177.01 tok/s
- Prefill (avg)
- 908.47 tok/s
- TTFT (avg)
- 1.17 s
- VRAM (avg)
- 14.2 GB
- MTP acceptance rate
- —
- TTFB
- 1.42 GB
- Power draw
- 286.3 W
Configuration
Member-level fields are taken from the most recent run
- Model
- Llama-3.1-8B-Instruct
- Quantization
- Q3_K_L
- Framework
- vLLM
- Version
- v0.51
- Context length
- 32768 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 4080 Super
- Nominal VRAM
- 16 GB
- Measured VRAM (avg)
- 14.2 GB
- OS
- Windows 11 24H2
- Driver
- 565.57
- CUDA
- 12.4
- Power draw
- 286.3 W
Sources & evidence
1 measured records in total, each traceable to its original source
v0.51 · Windows 11 24H2 · CUDA 12.4 · 32768 ctx
177.01 tok/s
Decode
908.47 tok/s
Prefill
1.17 s
TTFT
14.2 GB
VRAM
—
MTP
286.3 W
Power draw
L2 batch seed 2026-10-18: vLLM on hw_id=20 running model_id=68 at Q3_K_L