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Qwen3.5-0.8B · Q5_K_M

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NVIDIA RTX 508016GBOllama v0.40L2 Cross-framework verified

This page aggregates 1 real-world runs of Qwen3.5-0.8B (Q5_K_M) on NVIDIA RTX 5080 with Ollama, contributed by 1 independent source platforms; metrics are averages of published measurements.

319.12 tok/s

Decode

Decode speed

1,528.98 tok/s

Prefill

Prefill speed

1.41 s

TTFT

Time to first token

3.66 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 · IQ3_S Decode 323.11 · Prefill 1397.43 ·
  2. Ollama · Q4_K_S Decode 368.6 · Prefill 1525.44 ·
  3. Ollama · Q5_K_M (current)Decode 319.12 · Prefill 1528.98 ·
  4. llama.cpp · IQ3_XS Decode 314.6 · Prefill 1036.31 ·
  5. llama.cpp · Q4_K_S Decode 332.25 · Prefill 1390.04 ·
  6. Strata · IQ2_M Decode 312.53 · Prefill 1045.98 ·
  7. Strata · IQ3_XS Decode 375.51 · Prefill 1862.92 ·
  8. llama.cpp · IQ2_M Decode 338.41 · Prefill 1613.66 ·
  9. Strata · FP16 Decode 178.36 · Prefill 737.11 ·
  10. Strata · Q4_K_S Decode 363.26 · Prefill 1495.67 ·

Core figures

Decode (avg)
319.12 tok/s
Prefill (avg)
1,528.98 tok/s
TTFT (avg)
1.41 s
VRAM (avg)
3.66 GB
MTP acceptance rate
—
TTFB
2.55 GB
Power draw
306.4 W

Configuration

Member-level fields are taken from the most recent run

Model
Qwen3.5-0.8B
Quantization
Q5_K_M
Framework
Ollama
Version
v0.40
Context length
2048 tokens
Batch size
256
GPU layers
28
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)
3.66 GB
OS
Ubuntu 22.04
Driver
572.83
CUDA
12.8
Power draw
306.4 W

Sources & evidence

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

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

    v0.40 · Ubuntu 22.04 · CUDA 12.8 · 2048 ctx

    319.12 tok/s

    Decode

    1,528.98 tok/s

    Prefill

    1.41 s

    TTFT

    3.66 GB

    VRAM

    —

    MTP

    306.4 W

    Power draw

    L2 batch seed 2026-10-19: Ollama on hw_id=14 running model_id=51 at Q5_K_M