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Qwen3-8B · Q2_K
AMD Radeon RX 7800 XT16GBllama.cpp v0.39L2 Cross-framework verified
This page aggregates 1 real-world runs of Qwen3-8B (Q2_K) on AMD Radeon RX 7800 XT with llama.cpp, contributed by 1 independent source platforms; metrics are averages of published measurements.
105.63 tok/s
Decode
Decode speed
545.14 tok/s
Prefill
Prefill speed
2.36 s
TTFT
Time to first token
11.34 GB
VRAM
VRAM usage
L2 Cross-framework verified
1
Measured runs
1
Independent sources
Other
Source platforms
5 days ago
Last verified
Performance
- llama.cpp · Q2_K (current)Decode 105.63 · Prefill 545.14 ·
- Ollama · IQ3_XS Decode 100 · Prefill 339.13 ·
Core figures
- Decode (avg)
- 105.63 tok/s
- Prefill (avg)
- 545.14 tok/s
- TTFT (avg)
- 2.36 s
- VRAM (avg)
- 11.34 GB
- MTP acceptance rate
- —
- TTFB
- 0.85 GB
- Power draw
- 255.7 W
Configuration
Member-level fields are taken from the most recent run
- Model
- Qwen3-8B
- Quantization
- Q2_K
- Framework
- llama.cpp
- Version
- v0.39
- Context length
- 8192 tokens
- Batch size
- 256
- GPU layers
- 33
- 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 7800 XT
- Nominal VRAM
- 16 GB
- Measured VRAM (avg)
- 11.34 GB
- OS
- Ubuntu 24.04
- Driver
- amdgpu-pro 24.20
- CUDA
- N/A
- Power draw
- 255.7 W
Sources & evidence
1 measured records in total, each traceable to its original source
v0.39 · Ubuntu 24.04 · CUDA N/A · 8192 ctx
105.63 tok/s
Decode
545.14 tok/s
Prefill
2.36 s
TTFT
11.34 GB
VRAM
—
MTP
255.7 W
Power draw
L2 batch seed 2026-10-13: llama.cpp on hw_id=31 running model_id=53 at Q2_K