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Qwen3.5-4B · Q6_K

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Intel Arc B58012GBStrata v0.26L2 Cross-framework verified

This page aggregates 1 real-world runs of Qwen3.5-4B (Q6_K) on Intel Arc B580 with Strata, contributed by 1 independent source platforms; metrics are averages of published measurements.

60.78 tok/s

Decode

Decode speed

199.46 tok/s

Prefill

Prefill speed

0.96 s

TTFT

Time to first token

10.5 GB

VRAM

VRAM usage

L2 Cross-framework verified

1

Measured runs

1

Independent sources

Other

Source platforms

Today

Last verified

Performance

  1. llama.cpp · Q3_K_S Decode 74.37 · Prefill 373.85 ·
  2. Strata · Q6_K (current)Decode 60.78 · Prefill 199.46 ·
  3. llama.cpp · IQ1_S Decode 98.24 · Prefill 506.66 ·
  4. llama.cpp · Q3_K_L Decode 70.52 · Prefill 317.93 ·
  5. vLLM · Q2_K Decode 89.29 · Prefill 348.31 ·
  6. Strata · IQ3_S Decode 101.32 · Prefill 490.59 ·

Core figures

Decode (avg)
60.78 tok/s
Prefill (avg)
199.46 tok/s
TTFT (avg)
0.96 s
VRAM (avg)
10.5 GB
MTP acceptance rate
0.53
TTFB
0.49 GB
Power draw
147.2 W

Configuration

Member-level fields are taken from the most recent run

Model
Qwen3.5-4B
Quantization
Q6_K
Framework
Strata
Version
v0.26
Context length
32768 tokens
Batch size
1024
GPU layers
12
Flash Attention
On

Hardware

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

GPU
Intel Arc B580
Nominal VRAM
12 GB
Measured VRAM (avg)
10.5 GB
OS
Ubuntu 24.04
Driver
Intel Arc 32.0.101.6552
CUDA
12.4
Power draw
147.2 W

Sources & evidence

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

  1. L2 Cross-framework verifiedOtherOriginal link Verified on 2026-10-18

    v0.26 · Ubuntu 24.04 · CUDA 12.4 · 32768 ctx

    60.78 tok/s

    Decode

    199.46 tok/s

    Prefill

    0.96 s

    TTFT

    10.5 GB

    VRAM

    0.53

    MTP

    147.2 W

    Power draw

    L2 batch seed 2026-10-18: Strata on hw_id=94 running model_id=48 at Q6_K