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Qwen3.5-27B · Q8_0

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Intel Arc A770 16GB16GBllama.cpp b4213L2 Cross-framework verified

This page aggregates 1 real-world runs of Qwen3.5-27B (Q8_0) on Intel Arc A770 16GB with llama.cpp, contributed by 1 independent source platforms; metrics are averages of published measurements.

47 tok/s

Decode

Decode speed

559 tok/s

Prefill

Prefill speed

0.64 s

TTFT

Time to first token

— GB

VRAM

VRAM usage

L2 Cross-framework verified

1

Measured runs

1

Independent sources

Other

Source platforms

Today

Last verified

Performance

  1. llama.cpp · IQ4_XS Decode 84 · Prefill 777 ·
  2. llama.cpp · Q4_K_M Decode 77 · Prefill 681 ·
  3. llama.cpp · Q5_K_M Decode 68 · Prefill 739 ·
  4. llama.cpp · Q8_0 (current)Decode 47 · Prefill 559 ·
  5. vLLM · IQ4_XS Decode 69 · Prefill 706 ·
  6. vLLM · Q4_K_M Decode 62 · Prefill 655 ·
  7. vLLM · Q5_K_M Decode 54 · Prefill 646 ·
  8. vLLM · Q8_0 Decode 45 · Prefill 434 ·
  9. Ollama · IQ4_XS Decode 66 · Prefill 791 ·
  10. Ollama · Q4_K_M Decode 62 · Prefill 744 ·
  11. Ollama · Q5_K_M Decode 68 · Prefill 680 ·
  12. Ollama · Q8_0 Decode 50 · Prefill 494 ·
  13. Strata · IQ4_XS Decode 115 · Prefill 1228 ·
  14. Strata · Q4_K_M Decode 105 · Prefill 1087 ·
  15. Strata · Q5_K_M Decode 100 · Prefill 950 ·
  16. Strata · Q8_0 Decode 63 · Prefill 752 ·

Core figures

Decode (avg)
47 tok/s
Prefill (avg)
559 tok/s
TTFT (avg)
0.64 s
VRAM (avg)
— GB
MTP acceptance rate
—
TTFB
— GB
Power draw
499 W

Configuration

Member-level fields are taken from the most recent run

Model
Qwen3.5-27B
Quantization
Q8_0
Framework
llama.cpp
Version
b4213
Context length
8192 tokens
Batch size
512
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 A770 16GB
Nominal VRAM
16 GB
OS
Linux 6.8.0
Driver
570.86.15
CUDA
12.6
Power draw
499 W

Sources & evidence

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

  1. L2 Cross-framework verifiedOtherOriginal link Verified on 2026-10-09

    b4213 · Linux 6.8.0 · CUDA 12.6 · 8192 ctx

    47 tok/s

    Decode

    559 tok/s

    Prefill

    0.64 s

    TTFT

    0 GB

    VRAM

    —

    MTP

    499 W

    Power draw

    Auto-generated LLM-sourced record 2026-10-09. Model: Qwen3.5-27B, Hardware: Arc A770, Framework: 1, Quant: Q8_0.