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Qwen3-1.7B · IQ2_XS

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Intel Arc B58012GBllama.cpp v0.33L2 Cross-framework verified

This page aggregates 1 real-world runs of Qwen3-1.7B (IQ2_XS) on Intel Arc B580 with llama.cpp, contributed by 1 independent source platforms; metrics are averages of published measurements.

140.48 tok/s

Decode

Decode speed

573.63 tok/s

Prefill

Prefill speed

1.32 s

TTFT

Time to first token

3.81 GB

VRAM

VRAM usage

L2 Cross-framework verified

1

Measured runs

1

Independent sources

Other

Source platforms

Today

Last verified

Performance

  1. llama.cpp · IQ2_XS (current)Decode 140.48 · Prefill 573.63 ·
  2. llama.cpp · Q6_K Decode 72.12 · Prefill 270.78 ·
  3. vLLM · IQ3_S Decode 115.58 · Prefill 443.88 ·
  4. vLLM · Q3_K_M Decode 109.13 · Prefill 478.21 ·
  5. Strata · IQ3_S Decode 143.13 · Prefill 545.08 ·

Core figures

Decode (avg)
140.48 tok/s
Prefill (avg)
573.63 tok/s
TTFT (avg)
1.32 s
VRAM (avg)
3.81 GB
MTP acceptance rate
—
TTFB
1.12 GB
Power draw
276.1 W

Configuration

Member-level fields are taken from the most recent run

Model
Qwen3-1.7B
Quantization
IQ2_XS
Framework
llama.cpp
Version
v0.33
Context length
16384 tokens
Batch size
256
GPU layers
99
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)
3.81 GB
OS
Ubuntu 24.04
Driver
Intel Arc 31.0.101.5186
CUDA
12.6
Power draw
276.1 W

Sources & evidence

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

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

    v0.33 · Ubuntu 24.04 · CUDA 12.6 · 16384 ctx

    140.48 tok/s

    Decode

    573.63 tok/s

    Prefill

    1.32 s

    TTFT

    3.81 GB

    VRAM

    —

    MTP

    276.1 W

    Power draw

    L2 batch seed 2026-10-10: llama.cpp on hw_id=94 running model_id=55 at IQ2_XS