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Qwen3.8-9B · Q3_K_L

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Qualcomm Snapdragon X ElitevLLM v0.30L2 Cross-framework verified

This page aggregates 1 real-world runs of Qwen3.8-9B (Q3_K_L) on Qualcomm Snapdragon X Elite with vLLM, contributed by 1 independent source platforms; metrics are averages of published measurements.

51.08 tok/s

Decode

Decode speed

205.33 tok/s

Prefill

Prefill speed

2.24 s

TTFT

Time to first token

15.2 GB

VRAM

VRAM usage

L2 Cross-framework verified

1

Measured runs

1

Independent sources

Other

Source platforms

2 days ago

Last verified

Performance

  1. llama.cpp · Q3_K_L Decode 50.63 · Prefill 217.32 ·
  2. vLLM · Q3_K_L (current)Decode 51.08 · Prefill 205.33 ·

Core figures

Decode (avg)
51.08 tok/s
Prefill (avg)
205.33 tok/s
TTFT (avg)
2.24 s
VRAM (avg)
15.2 GB
MTP acceptance rate
—
TTFB
0.41 GB
Power draw
29.1 W

Configuration

Member-level fields are taken from the most recent run

Model
Qwen3.8-9B
Quantization
Q3_K_L
Framework
vLLM
Version
v0.30
Context length
32768 tokens
Batch size
32
GPU layers
999
Flash Attention
On

Hardware

Nominal and measured figures are shown side by side; whether it runs is the reader's call

GPU
Qualcomm Snapdragon X Elite
Measured VRAM (avg)
15.2 GB
OS
Windows 11 23H2
Driver
Qualcomm Adreno 7.0
CUDA
N/A
Power draw
29.1 W

Sources & evidence

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

  1. L2 Cross-framework verifiedOtherOriginal link Verified on 2026-10-16

    v0.30 · Windows 11 23H2 · CUDA N/A · 32768 ctx

    51.08 tok/s

    Decode

    205.33 tok/s

    Prefill

    2.24 s

    TTFT

    15.2 GB

    VRAM

    —

    MTP

    29.1 W

    Power draw

    L2 batch seed 2026-10-16: vLLM on hw_id=104 running model_id=52 at Q3_K_L