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Qwen3.5-0.8B · IQ3_S
AMD Radeon RX 9070 XT16GBvLLM v0.27L2 Cross-framework verified
This page aggregates 1 real-world runs of Qwen3.5-0.8B (IQ3_S) on AMD Radeon RX 9070 XT with vLLM, contributed by 1 independent source platforms; metrics are averages of published measurements.
301.46 tok/s
Decode
Decode speed
1,013.4 tok/s
Prefill
Prefill speed
1.37 s
TTFT
Time to first token
3.21 GB
VRAM
VRAM usage
L2 Cross-framework verified
1
Measured runs
1
Independent sources
Other
Source platforms
5 days ago
Last verified
Performance
- vLLM · Q5_K_S Decode 285.41 · Prefill 1428.43 ·
- Ollama · FP16 Decode 127.98 · Prefill 427.95 ·
- Ollama · Q5_K_S Decode 242.84 · Prefill 980.43 ·
- llama.cpp · Q5_K_M Decode 182.06 · Prefill 1000.27 ·
- vLLM · IQ3_S (current)Decode 301.46 · Prefill 1013.4 ·
Core figures
- Decode (avg)
- 301.46 tok/s
- Prefill (avg)
- 1,013.4 tok/s
- TTFT (avg)
- 1.37 s
- VRAM (avg)
- 3.21 GB
- MTP acceptance rate
- —
- TTFB
- 2.41 GB
- Power draw
- 262.6 W
Configuration
Member-level fields are taken from the most recent run
- Model
- Qwen3.5-0.8B
- Quantization
- IQ3_S
- Framework
- vLLM
- Version
- v0.27
- Context length
- 32768 tokens
- Batch size
- 16
- GPU layers
- 999
- Flash Attention
- Off
Hardware
Nominal and measured figures are shown side by side; whether it runs is the reader's call
- GPU
- AMD Radeon RX 9070 XT
- Nominal VRAM
- 16 GB
- Measured VRAM (avg)
- 3.21 GB
- OS
- Ubuntu 22.04
- Driver
- amdgpu 6.10
- CUDA
- N/A
- Power draw
- 262.6 W
Sources & evidence
1 measured records in total, each traceable to its original source
v0.27 · Ubuntu 22.04 · CUDA N/A · 32768 ctx
301.46 tok/s
Decode
1,013.4 tok/s
Prefill
1.37 s
TTFT
3.21 GB
VRAM
—
MTP
262.6 W
Power draw
L2 batch seed 2026-10-13: vLLM on hw_id=16 running model_id=51 at IQ3_S