Adds memory headroom for longer context windows and future model growth.
〜$1,099 MSRP
Qwen 2.5 Coder 0.5B needs ~3.8 GB VRAM. RTX 4090 24GB has 24.0 GB. With Q4_K_M quantization, expect ~8 tok/s.
Operating mode
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
8.0 tok/s
TTFT
24200 ms
Safe context
131K
Memory
3.8 GB / 24.0 GB
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.
| Workload | Grade | Fit | Decode | TTFT | Context |
|---|---|---|---|---|---|
| Chat | C | Runs well | 8.0 tok/s | 13200 ms | 131K |
| Coding | C | Runs well | 8.0 tok/s | 24200 ms | 131K |
| Agentic Coding | C | Runs well | 8.0 tok/s | 35200 ms | 131K |
| Reasoning | C | Runs well | 8.0 tok/s | 28600 ms | 131K |
| RAG | C | Runs well | 8.0 tok/s | 44000 ms | 131K |
How Qwen 2.5 Coder 0.5B (0.5B params) fits at each quantization level on RTX 4090 24GB (24.0 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 0.2 GB | Low | C52 |
Q3_K_S | 3 | 0.2 GB | Low | C52 |
NVFP4 | 4 | 0.3 GB | Medium | C52 |
Q4_K_M | 4 | 0.3 GB | Medium | C52 |
Q5_K_M | 5 | 0.4 GB | High | C52 |
Q6_K | 6 | 0.4 GB | High | C52 |
Q8_0 | 8 | 0.5 GB | Very High | C53 |
F16Best for your GPU | 16 | 1.0 GB | Maximum | C53 |
Copy-paste commands to run Qwen 2.5 Coder 0.5B on your machine.
Run
ollama run qwen2.5-coder:0.5bアップグレードオプション
Adds memory headroom for longer context windows and future model growth.
〜$1,099 MSRP
Adds memory headroom for longer context windows and future model growth.
〜$1,999 MSRP
Yes, RTX 4090 24GB can run Qwen 2.5 Coder 0.5B with a C grade (Runs well). Expected decode speed: 8.0 tok/s.
Qwen 2.5 Coder 0.5B (0.5B parameters) requires approximately 3.8 GB of memory with Q4_K_M quantization.
The recommended quantization for Qwen 2.5 Coder 0.5B is Q4_K_M, which balances quality and memory efficiency.
On RTX 4090 24GB, Qwen 2.5 Coder 0.5B achieves approximately 8.0 tokens per second decode speed with a time-to-first-token of 24200ms using Q4_K_M quantization.
For coding workloads, Qwen 2.5 Coder 0.5B on RTX 4090 24GB receives a C grade with 8.0 tok/s and 131K context.
On RTX 4090 24GB, Qwen 2.5 Coder 0.5B can safely use up to 131K tokens of context. The model's official context limit is 131K, but available memory constrains the safe maximum.
Paste this snippet into any page to show a live fit card.
<iframe src="https://willitrunai.com/embed/qwen-2.5-coder-0.5b-on-rtx-4090-24gb" width="400" height="180" frameborder="0" style="border:none;border-radius:12px;overflow:hidden;" title="Will It Run AI — fit result"></iframe>
Preview: