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Qwen3.5-9B · IQ3_XS
AMD Ryzen AI Max+ 395128GBvLLM v0.37L2 Cross-framework verified
This page aggregates 1 real-world runs of Qwen3.5-9B (IQ3_XS) on AMD Ryzen AI Max+ 395 with vLLM, contributed by 1 independent source platforms; metrics are averages of published measurements.
115.94 tok/s
Decode
Decode speed
451.93 tok/s
Prefill
Prefill speed
0.72 s
TTFT
Time to first token
13.82 GB
VRAM
VRAM usage
L2 Cross-framework verified
1
Measured runs
1
Independent sources
Other
Source platforms
2 days ago
Last verified
Performance
- vLLM · IQ3_XS (current)Decode 115.94 · Prefill 451.93 ·
- vLLM · Q5_K_M Decode 83.86 · Prefill 287.36 ·
- Ollama · Q4_K_S Decode 85.51 · Prefill 324.93 ·
- llama.cpp · IQ3_XS Decode 118.29 · Prefill 392.28 ·
Core figures
- Decode (avg)
- 115.94 tok/s
- Prefill (avg)
- 451.93 tok/s
- TTFT (avg)
- 0.72 s
- VRAM (avg)
- 13.82 GB
- MTP acceptance rate
- —
- TTFB
- 0.93 GB
- Power draw
- 66.9 W
Configuration
Member-level fields are taken from the most recent run
- Model
- Qwen3.5-9B
- Quantization
- IQ3_XS
- Framework
- vLLM
- Version
- v0.37
- Context length
- 2048 tokens
- Batch size
- 16
- 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
- AMD Ryzen AI Max+ 395
- Nominal VRAM
- 128 GB
- Measured VRAM (avg)
- 13.82 GB
- OS
- Ubuntu 22.04
- Driver
- amdgpu 6.11
- CUDA
- N/A
- Power draw
- 66.9 W
Sources & evidence
1 measured records in total, each traceable to its original source
v0.37 · Ubuntu 22.04 · CUDA N/A · 2048 ctx
115.94 tok/s
Decode
451.93 tok/s
Prefill
0.72 s
TTFT
13.82 GB
VRAM
—
MTP
66.9 W
Power draw
L2 batch seed 2026-10-16: vLLM on hw_id=24 running model_id=49 at IQ3_XS