Qwen 3 14B needs ~14.6 GB VRAM. RTX 3090 24GB has 24.0 GB. With Q4_K_M quantization, expect ~83 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
82.9 tok/s
TTFT
2336 ms
Safe context
78K
Memory
14.6 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 | S | Runs well | 82.9 tok/s | 1274 ms | 78K |
| Coding | S | Runs well | 82.9 tok/s | 2336 ms | 78K |
| Agentic Coding | S | Runs well | 82.9 tok/s | 3399 ms | 78K |
| Reasoning | S | Runs well | 82.9 tok/s | 2761 ms | 78K |
| RAG | S | Runs well | 82.9 tok/s | 4248 ms | 78K |
How Qwen 3 14B (14B params) fits at each quantization level on RTX 3090 24GB (24.0 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 5.5 GB | Low | S86 |
Q3_K_S | 3 | 6.9 GB | Low | S87 |
NVFP4 | 4 |
Copy-paste commands to run Qwen 3 14B on your machine.
Run
ollama run qwen3Your hardware
| Model | Params | Grade | Decode | Capabilities |
|---|---|---|---|---|
| 30.5B | S | 99.1 tok/s | ||
| 27B | S | 43 tok/s |
Yes, RTX 3090 24GB can run Qwen 3 14B with a S grade (Runs well). Expected decode speed: 82.9 tok/s.
Qwen 3 14B (14B parameters) requires approximately 14.6 GB of memory with Q4_K_M quantization.
The recommended quantization for Qwen 3 14B is Q4_K_M, which balances quality and memory efficiency.
On RTX 3090 24GB, Qwen 3 14B achieves approximately 82.9 tokens per second decode speed with a time-to-first-token of 2336ms using Q4_K_M quantization.
For coding workloads, Qwen 3 14B on RTX 3090 24GB receives a S grade with 82.9 tok/s and 78K context.
On RTX 3090 24GB, Qwen 3 14B can safely use up to 78K 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-3-14b-on-rtx-3090-24gb" width="400" height="180" frameborder="0" style="border:none;border-radius:12px;overflow:hidden;" title="Will It Run AI — fit result"></iframe>
Preview:
7.8 GB |
| Medium |
| S88 |
Q4_K_M | 4 | 8.5 GB | Medium | S88 |
Q5_K_M | 5 | 10.1 GB | High | S89 |
Q6_K | 6 | 11.5 GB | High | S90 |
Q8_0Best for your GPU | 8 | 15.0 GB | Very High | S91 |
F16 | 16 | 28.7 GB | Maximum | F0 |
| 27B | S | 43.1 tok/s |
| 30B | S | 102.5 tok/s |
| 35B | A | 55.5 tok/s |