gemma 3 12b it needs ~11.5 GB VRAM. RTX 5070 Ti 16GB has 16.0 GB. With Q4_K_M quantization, expect ~78 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
78.3 tok/s
TTFT
2471 ms
Safe context
67K
Memory
11.5 GB / 16.0 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 | 78.3 tok/s | 1348 ms | 67K |
| Coding | B | Runs well | 78.3 tok/s | 2471 ms | 67K |
| Agentic Coding | B | Runs well | 78.3 tok/s | 3595 ms | 67K |
| Reasoning | B | Runs well | 78.3 tok/s | 2921 ms | 67K |
| RAG | B | Runs well | 78.3 tok/s | 4493 ms | 67K |
How gemma 3 12b it (12B params) fits at each quantization level on RTX 5070 Ti 16GB (16.0 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 4.7 GB | Low | C49 |
Q3_K_S | 3 | 5.9 GB | Low | C50 |
NVFP4 | 4 | 6.7 GB | Medium | C51 |
Q4_K_M | 4 | 7.3 GB | Medium | C51 |
Q5_K_M | 5 | 8.6 GB | High | C52 |
Q6_KBest for your GPU | 6 | 9.8 GB | High | C51 |
Q8_0 | 8 | 12.8 GB | Very High | F0 |
F16 | 16 | 24.6 GB | Maximum | F0 |
Copy-paste commands to run gemma 3 12b it on your machine.
Run
lms load hf-maziyarpanahi--gemma-3-12b-it-gguf && lms server startYes, RTX 5070 Ti 16GB can run gemma 3 12b it with a B grade (Runs well). Expected decode speed: 78.3 tok/s.
gemma 3 12b it (12B parameters) requires approximately 11.5 GB of memory with Q4_K_M quantization.
The recommended quantization for gemma 3 12b it is Q4_K_M, which balances quality and memory efficiency.
On RTX 5070 Ti 16GB, gemma 3 12b it achieves approximately 78.3 tokens per second decode speed with a time-to-first-token of 2471ms using Q4_K_M quantization.
For coding workloads, gemma 3 12b it on RTX 5070 Ti 16GB receives a B grade with 78.3 tok/s and 67K context.
On RTX 5070 Ti 16GB, gemma 3 12b it can safely use up to 67K tokens of context. The model's official context limit is —, 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/hf-maziyarpanahi--gemma-3-12b-it-gguf-on-rtx-5070-ti-16gb" width="400" height="180" frameborder="0" style="border:none;border-radius:12px;overflow:hidden;" title="Will It Run AI — fit result"></iframe>
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