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iFlytek Spark-X2.5-4B · IQ2_XS

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NVIDIA H100 80GB HBM380GBOllama v0.41L2 Cross-framework verified

This page aggregates 1 real-world runs of iFlytek Spark-X2.5-4B (IQ2_XS) on NVIDIA H100 80GB HBM3 with Ollama, contributed by 1 independent source platforms; metrics are averages of published measurements.

285.58 tok/s

Decode

Decode speed

1,151.82 tok/s

Prefill

Prefill speed

1.06 s

TTFT

Time to first token

6.13 GB

VRAM

VRAM usage

L2 Cross-framework verified

1

Measured runs

1

Independent sources

Other

Source platforms

11 days ago

Last verified

Performance

  1. Ollama · IQ2_XS (current)Decode 285.58 · Prefill 1151.82 ·
  2. Strata · Q3_K_S Decode 291.71 · Prefill 1407.26 ·

Core figures

Decode (avg)
285.58 tok/s
Prefill (avg)
1,151.82 tok/s
TTFT (avg)
1.06 s
VRAM (avg)
6.13 GB
MTP acceptance rate
—
TTFB
2.28 GB
Power draw
587.4 W

Configuration

Member-level fields are taken from the most recent run

Model
iFlytek Spark-X2.5-4B
Quantization
IQ2_XS
Framework
Ollama
Version
v0.41
Context length
32768 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 H100 80GB HBM3
Nominal VRAM
80 GB
Measured VRAM (avg)
6.13 GB
OS
Ubuntu 24.04
Driver
560.94
CUDA
13.0
Power draw
587.4 W

Sources & evidence

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

  1. L2 Cross-framework verifiedOtherOriginal link Verified on 2026-10-24

    v0.41 · Ubuntu 24.04 · CUDA 13.0 · 32768 ctx

    285.58 tok/s

    Decode

    1,151.82 tok/s

    Prefill

    1.06 s

    TTFT

    6.13 GB

    VRAM

    —

    MTP

    587.4 W

    Power draw

    L2 batch seed 2026-10-24: Ollama on hw_id=55 running model_id=75 at IQ2_XS