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Llama-3-8B-Instruct · Q3_K_S

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NVIDIA RTX 508016GBOllama v0.53L2 Cross-framework verified

This page aggregates 1 real-world runs of Llama-3-8B-Instruct (Q3_K_S) on NVIDIA RTX 5080 with Ollama, contributed by 1 independent source platforms; metrics are averages of published measurements.

209.77 tok/s

Decode

Decode speed

751.17 tok/s

Prefill

Prefill speed

0.57 s

TTFT

Time to first token

13.02 GB

VRAM

VRAM usage

L2 Cross-framework verified

1

Measured runs

1

Independent sources

Other

Source platforms

Today

Last verified

Performance

  1. vLLM · Q5_K_M Decode 163.66 · Prefill 702.95 ·
  2. Ollama · Q3_K_S (current)Decode 209.77 · Prefill 751.17 ·

Core figures

Decode (avg)
209.77 tok/s
Prefill (avg)
751.17 tok/s
TTFT (avg)
0.57 s
VRAM (avg)
13.02 GB
MTP acceptance rate
—
TTFB
1.68 GB
Power draw
307.9 W

Configuration

Member-level fields are taken from the most recent run

Model
Llama-3-8B-Instruct
Quantization
Q3_K_S
Framework
Ollama
Version
v0.53
Context length
32768 tokens
Batch size
512
GPU layers
99
Flash Attention
On

Hardware

Nominal and measured figures are shown side by side; whether it runs is the reader's call

GPU
NVIDIA RTX 5080
Nominal VRAM
16 GB
Measured VRAM (avg)
13.02 GB
OS
Ubuntu 22.04
Driver
572.83
CUDA
12.6
Power draw
307.9 W

Sources & evidence

1 measured records in total, each traceable to its original source

  1. L2 Cross-framework verifiedOtherOriginal link Verified on 2026-10-18

    v0.53 · Ubuntu 22.04 · CUDA 12.6 · 32768 ctx

    209.77 tok/s

    Decode

    751.17 tok/s

    Prefill

    0.57 s

    TTFT

    13.02 GB

    VRAM

    —

    MTP

    307.9 W

    Power draw

    L2 batch seed 2026-10-18: Ollama on hw_id=14 running model_id=69 at Q3_K_S