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Qwen3-8B · IQ3_XS

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NVIDIA RTX 408016GBOllama v0.42L2 Cross-framework verified

This page aggregates 1 real-world runs of Qwen3-8B (IQ3_XS) on NVIDIA RTX 4080 with Ollama, contributed by 1 independent source platforms; metrics are averages of published measurements.

158.58 tok/s

Decode

Decode speed

727 tok/s

Prefill

Prefill speed

2.5 s

TTFT

Time to first token

12.52 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 Decode 137.8 · Prefill 706.29 ·
  2. Ollama · IQ3_XS (current)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)
158.58 tok/s
Prefill (avg)
727 tok/s
TTFT (avg)
2.5 s
VRAM (avg)
12.52 GB
MTP acceptance rate
—
TTFB
1.27 GB
Power draw
264.5 W

Configuration

Member-level fields are taken from the most recent run

Model
Qwen3-8B
Quantization
IQ3_XS
Framework
Ollama
Version
v0.42
Context length
8192 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 4080
Nominal VRAM
16 GB
Measured VRAM (avg)
12.52 GB
OS
Windows 11 23H2
Driver
560.94
CUDA
13.0
Power draw
264.5 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

    v0.42 · Windows 11 23H2 · CUDA 13.0 · 8192 ctx

    158.58 tok/s

    Decode

    727 tok/s

    Prefill

    2.5 s

    TTFT

    12.52 GB

    VRAM

    —

    MTP

    264.5 W

    Power draw

    L2 batch seed 2026-10-18: Ollama on hw_id=41 running model_id=53 at IQ3_XS