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Qwen3.5-0.8B · IQ3_S

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NVIDIA RTX 4080 Super16GBOllama v0.50L2 Cross-framework verified

This page aggregates 1 real-world runs of Qwen3.5-0.8B (IQ3_S) on NVIDIA RTX 4080 Super with Ollama, contributed by 1 independent source platforms; metrics are averages of published measurements.

352.12 tok/s

Decode

Decode speed

1,849.99 tok/s

Prefill

Prefill speed

1.24 s

TTFT

Time to first token

3.21 GB

VRAM

VRAM usage

L2 Cross-framework verified

1

Measured runs

1

Independent sources

Other

Source platforms

17 days ago

Last verified

Performance

  1. vLLM · Q3_K_S Decode 302.38 · Prefill 993.94 ·
  2. vLLM · Q4_K_S Decode 370.71 · Prefill 1429.25 ·
  3. Ollama · IQ3_S (current)Decode 352.12 · Prefill 1849.99 ·
  4. Ollama · IQ3_XS Decode 393.56 · Prefill 2131.15 ·
  5. llama.cpp · Q4_K_M Decode 344.73 · Prefill 1737.55 ·
  6. vLLM · IQ1_S Decode 314.79 · Prefill 1409.84 ·

Core figures

Decode (avg)
352.12 tok/s
Prefill (avg)
1,849.99 tok/s
TTFT (avg)
1.24 s
VRAM (avg)
3.21 GB
MTP acceptance rate
—
TTFB
2.82 GB
Power draw
204.6 W

Configuration

Member-level fields are taken from the most recent run

Model
Qwen3.5-0.8B
Quantization
IQ3_S
Framework
Ollama
Version
v0.50
Context length
32768 tokens
Batch size
512
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 Super
Nominal VRAM
16 GB
Measured VRAM (avg)
3.21 GB
OS
Windows 11 23H2
Driver
565.57
CUDA
12.4
Power draw
204.6 W

Sources & evidence

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

  1. L2 Cross-framework verifiedOtherOriginal link Verified on 2026-10-19

    v0.50 · Windows 11 23H2 · CUDA 12.4 · 32768 ctx

    352.12 tok/s

    Decode

    1,849.99 tok/s

    Prefill

    1.24 s

    TTFT

    3.21 GB

    VRAM

    —

    MTP

    204.6 W

    Power draw

    L2 batch seed 2026-10-19: Ollama on hw_id=20 running model_id=51 at IQ3_S