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Qwen3.5-0.8B · Q6_K
AMD Radeon RX 7900 XTX24GBvLLM v0.45L2 Cross-framework verified
This page aggregates 1 real-world runs of Qwen3.5-0.8B (Q6_K) on AMD Radeon RX 7900 XTX with vLLM, contributed by 1 independent source platforms; metrics are averages of published measurements.
198.86 tok/s
Decode
Decode speed
984.35 tok/s
Prefill
Prefill speed
2.19 s
TTFT
Time to first token
3.78 GB
VRAM
VRAM usage
L2 Cross-framework verified
1
Measured runs
1
Independent sources
Other
Source platforms
Today
Last verified
Performance
- llama.cpp · Q3_K_M Decode 251.67 · Prefill 1158.4 ·
- vLLM · IQ3_XS Decode 312.18 · Prefill 1202.88 ·
- vLLM · Q6_K (current)Decode 198.86 · Prefill 984.35 ·
Core figures
- Decode (avg)
- 198.86 tok/s
- Prefill (avg)
- 984.35 tok/s
- TTFT (avg)
- 2.19 s
- VRAM (avg)
- 3.78 GB
- MTP acceptance rate
- —
- TTFB
- 1.59 GB
- Power draw
- 458.9 W
Configuration
Member-level fields are taken from the most recent run
- Model
- Qwen3.5-0.8B
- Quantization
- Q6_K
- Framework
- vLLM
- Version
- v0.45
- Context length
- 4096 tokens
- Batch size
- 8
- 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 Radeon RX 7900 XTX
- Nominal VRAM
- 24 GB
- Measured VRAM (avg)
- 3.78 GB
- OS
- Ubuntu 22.04
- Driver
- 570.86
- CUDA
- 12.4
- Power draw
- 458.9 W
Sources & evidence
1 measured records in total, each traceable to its original source
v0.45 · Ubuntu 22.04 · CUDA 12.4 · 4096 ctx
198.86 tok/s
Decode
984.35 tok/s
Prefill
2.19 s
TTFT
3.78 GB
VRAM
—
MTP
458.9 W
Power draw
L2 batch seed 2026-10-10: vLLM on hw_id=11 running model_id=51 at Q6_K