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iFlytek Spark-X2.5-4B · Q5_K_S
AMD Radeon RX 7900 XTX24GBvLLM v0.32L2 Cross-framework verified
This page aggregates 1 real-world runs of iFlytek Spark-X2.5-4B (Q5_K_S) on AMD Radeon RX 7900 XTX with vLLM, contributed by 1 independent source platforms; metrics are averages of published measurements.
190.47 tok/s
Decode
Decode speed
971.18 tok/s
Prefill
Prefill speed
1.32 s
TTFT
Time to first token
9.66 GB
VRAM
VRAM usage
L2 Cross-framework verified
1
Measured runs
1
Independent sources
Other
Source platforms
12 days ago
Last verified
Performance
- vLLM · Q5_K_S (current)Decode 190.47 · Prefill 971.18 ·
- Ollama · Q3_K_L Decode 216.92 · Prefill 1042.56 ·
Core figures
- Decode (avg)
- 190.47 tok/s
- Prefill (avg)
- 971.18 tok/s
- TTFT (avg)
- 1.32 s
- VRAM (avg)
- 9.66 GB
- MTP acceptance rate
- —
- TTFB
- 1.52 GB
- Power draw
- 202.1 W
Configuration
Member-level fields are taken from the most recent run
- Model
- iFlytek Spark-X2.5-4B
- Quantization
- Q5_K_S
- Framework
- vLLM
- Version
- v0.32
- Context length
- 32768 tokens
- Batch size
- 32
- 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)
- 9.66 GB
- OS
- Ubuntu 22.04
- Driver
- amdgpu 6.12
- CUDA
- 12.4
- Power draw
- 202.1 W
Sources & evidence
1 measured records in total, each traceable to its original source
v0.32 · Ubuntu 22.04 · CUDA 12.4 · 32768 ctx
190.47 tok/s
Decode
971.18 tok/s
Prefill
1.32 s
TTFT
9.66 GB
VRAM
—
MTP
202.1 W
Power draw
L2 batch seed 2026-10-24: vLLM on hw_id=11 running model_id=75 at Q5_K_S