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Qwen3-8B · IQ3_S

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NVIDIA RTX 408016GBOllama v0.29L2 Cross-framework verified

This page aggregates 1 real-world runs of Qwen3-8B (IQ3_S) on NVIDIA RTX 4080 with Ollama, contributed by 1 independent source platforms; metrics are averages of published measurements.

137.8 tok/s

Decode

Decode speed

706.29 tok/s

Prefill

Prefill speed

0.65 s

TTFT

Time to first token

13.19 GB

VRAM

VRAM usage

L2 Cross-framework verified

1

Measured runs

1

Independent sources

Other

Source platforms

Today

Last verified

Performance

  1. Ollama · IQ3_S (current)Decode 137.8 · Prefill 706.29 ·
  2. Ollama · IQ3_XS Decode 158.58 · Prefill 727 ·
  3. Strata · IQ3_S Decode 234.8 · Prefill 1203.48 ·
  4. Strata · IQ4_XS Decode 189.04 · Prefill 930.37 ·
  5. llama.cpp · IQ1_S Decode 141.07 · Prefill 456.51 ·
  6. llama.cpp · IQ3_S Decode 105.08 · Prefill 472.34 ·
  7. vLLM · IQ1_S Decode 150.38 · Prefill 727.2 ·

Core figures

Decode (avg)
137.8 tok/s
Prefill (avg)
706.29 tok/s
TTFT (avg)
0.65 s
VRAM (avg)
13.19 GB
MTP acceptance rate
—
TTFB
1.1 GB
Power draw
292.4 W

Configuration

Member-level fields are taken from the most recent run

Model
Qwen3-8B
Quantization
IQ3_S
Framework
Ollama
Version
v0.29
Context length
8192 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 4080
Nominal VRAM
16 GB
Measured VRAM (avg)
13.19 GB
OS
Windows 11 24H2
Driver
572.83
CUDA
12.8
Power draw
292.4 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

    v0.29 · Windows 11 24H2 · CUDA 12.8 · 8192 ctx

    137.8 tok/s

    Decode

    706.29 tok/s

    Prefill

    0.65 s

    TTFT

    13.19 GB

    VRAM

    —

    MTP

    292.4 W

    Power draw

    L2 batch seed 2026-10-18: Ollama on hw_id=41 running model_id=53 at IQ3_S