Granite 4.1 3B needs ~5.2 GB VRAM. RTX 5070 12GB has 12.0 GB. With Q4_K_M quantization, expect ~42 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
57.0 tok/s
TTFT
3396 ms
Safe context
106K
Memory
5.2 GB / 12.0 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 | B | Runs well | 42.0 tok/s | 2514 ms | 106K |
| Coding | B | Runs well | 42.0 tok/s | 4610 ms | 106K |
| Agentic Coding | B | Runs well | 42.0 tok/s | 6705 ms | 106K |
| Reasoning | B | Runs well | 42.0 tok/s | 5448 ms | 106K |
| RAG | B | Runs well | 42.0 tok/s | 8381 ms | 106K |
How Granite 4.1 3B (3B params) fits at each quantization level on RTX 5070 12GB (12.0 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 1.2 GB | Low | B64 |
Q3_K_S | 3 | 1.5 GB | Low | B65 |
NVFP4 | 4 |
Copy-paste commands to run Granite 4.1 3B on your machine.
Run
ollama run granite4.1:3bYes, RTX 5070 12GB can run Granite 4.1 3B with a B grade (Runs well). Expected decode speed: 42.0 tok/s.
Granite 4.1 3B (3B parameters) requires approximately 5.2 GB of memory with Q4_K_M quantization.
The recommended quantization for Granite 4.1 3B is Q4_K_M, which balances quality and memory efficiency.
On RTX 5070 12GB, Granite 4.1 3B achieves approximately 42.0 tokens per second decode speed with a time-to-first-token of 4610ms using Q4_K_M quantization.
For coding workloads, Granite 4.1 3B on RTX 5070 12GB receives a B grade with 42.0 tok/s and 106K context.
On RTX 5070 12GB, Granite 4.1 3B can safely use up to 106K 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/granite-4.1-3b-on-rtx-5070-12gb" width="400" height="180" frameborder="0" style="border:none;border-radius:12px;overflow:hidden;" title="Will It Run AI — fit result"></iframe>
Preview:
| Medium |
| B65 |
Q4_K_M | 4 | 1.8 GB | Medium | B65 |
Q5_K_M | 5 | 2.2 GB | High | B65 |
Q6_K | 6 | 2.5 GB | High | B66 |
Q8_0 | 8 | 3.2 GB | Very High | B67 |
F16Best for your GPU | 16 | 6.1 GB | Maximum | B69 |