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Qwen3-8B · IQ4_XS

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NVIDIA RTX 508016GBStrata v0.24L2 Cross-framework verified

This page aggregates 1 real-world runs of Qwen3-8B (IQ4_XS) on NVIDIA RTX 5080 with Strata, contributed by 1 independent source platforms; metrics are averages of published measurements.

144.31 tok/s

Decode

Decode speed

545.08 tok/s

Prefill

Prefill speed

1.66 s

TTFT

Time to first token

14.53 GB

VRAM

VRAM usage

L2 Cross-framework verified

1

Measured runs

1

Independent sources

Other

Source platforms

Today

Last verified

Performance

  1. llama.cpp · Q5_K_S Decode 91.75 · Prefill 454.66 ·
  2. Ollama · Q3_K_L Decode 101.88 · Prefill 405.42 ·
  3. Strata · IQ4_XS (current)Decode 144.31 · Prefill 545.08 ·

Core figures

Decode (avg)
144.31 tok/s
Prefill (avg)
545.08 tok/s
TTFT (avg)
1.66 s
VRAM (avg)
14.53 GB
MTP acceptance rate
0.56
TTFB
1.15 GB
Power draw
301.6 W

Configuration

Member-level fields are taken from the most recent run

Model
Qwen3-8B
Quantization
IQ4_XS
Framework
Strata
Version
v0.24
Context length
16384 tokens
Batch size
1024
GPU layers
15
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)
14.53 GB
OS
macOS 15.0
Driver
570.86
CUDA
12.8
Power draw
301.6 W

Sources & evidence

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

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

    v0.24 · macOS 15.0 · CUDA 12.8 · 16384 ctx

    144.31 tok/s

    Decode

    545.08 tok/s

    Prefill

    1.66 s

    TTFT

    14.53 GB

    VRAM

    0.56

    MTP

    301.6 W

    Power draw

    L2 batch seed 2026-10-10: Strata on hw_id=14 running model_id=53 at IQ4_XS