Can Qwen 2.5 14B run on RTX A4500 20GB?
YES — Runs Great
Qwen 2.5 14B needs ~14.7 GB VRAM. RTX A4500 20GB has 20.0 GB. With Q4_K_M quantization, expect ~63 tok/s.
Operating mode
Choose the run profile you care about
Interactive favors responsiveness, while light API and scale-out lean harder on serving readiness. The fit stays the same, but the recommendation lens changes.
Current mode
Balanced
Balanced for general local use. Keeps the ranking neutral across personal and serving workflows.
Select quantization to explore
Fit status
Runs well
Decode
63.1 tok/s
TTFT
3067 ms
Safe context
45K
Memory
14.7 GB / 20.0 GB
Memory breakdown
See how fast it feels
What limits this setup
This setup is broadly balanced for this model.
No major red flags
This recommendation has enough memory headroom and acceptable estimated speed for the selected workload.
Best improvement path
Performance by workload
| Workload | Grade | Fit | Decode | TTFT | Context |
|---|---|---|---|---|---|
| Chat | S | Runs well | 63.1 tok/s | 1673 ms | 45K |
| Coding | S | Runs well | 63.1 tok/s | 3067 ms | 45K |
| Agentic Coding | A | Tight fit | 63.1 tok/s | 4461 ms | 45K |
| Reasoning | S | Runs well | 63.1 tok/s | 3624 ms | 45K |
| RAG | A | Tight fit | 63.1 tok/s | 5576 ms | 45K |
Quantization options
How Qwen 2.5 14B (14B params) fits at each quantization level on RTX A4500 20GB (20.0 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 5.5 GB | Low | A78 |
Q3_K_S | 3 | 6.9 GB | Low | A79 |
NVFP4 | 4 | 7.8 GB | Medium | A80 |
Q4_K_M | 4 | 8.5 GB | Medium | A80 |
Q5_K_M | 5 | 10.1 GB | High | A82 |
Q6_K | 6 | 11.5 GB | High | A81 |
Q8_0Best for your GPU | 8 | 15.0 GB | Very High | A81 |
F16 | 16 | 28.7 GB | Maximum | F0 |
Get started
Copy-paste commands to run Qwen 2.5 14B on your machine.
Run
ollama run qwen2.5Your hardware
