gemma 3 12b it needs ~12.3 GB VRAM. RTX 4500 Ada 24GB has 24.0 GB. With Q4_K_M quantization, expect ~47 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
46.6 tok/s
TTFT
4152 ms
Safe context
149K
Memory
12.3 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 | 46.6 tok/s | 2265 ms | 149K |
| Coding | C | Runs well | 46.6 tok/s | 4152 ms | 149K |
| Agentic Coding | C | Runs well | 46.6 tok/s | 6040 ms | 149K |
| Reasoning | C | Runs well | 46.6 tok/s | 4907 ms | 149K |
| RAG | C | Runs well | 46.6 tok/s | 7550 ms | 149K |
How gemma 3 12b it (12B params) fits at each quantization level on RTX 4500 Ada 24GB (24.0 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 4.7 GB | Low | C45 |
Q3_K_S | 3 | 5.9 GB | Low | C46 |
NVFP4 | 4 |
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 4500 Ada 24GB can run gemma 3 12b it with a C grade (Runs well). Expected decode speed: 46.6 tok/s.
gemma 3 12b it (12B parameters) requires approximately 12.3 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 4500 Ada 24GB, gemma 3 12b it achieves approximately 46.6 tokens per second decode speed with a time-to-first-token of 4152ms using Q4_K_M quantization.
For coding workloads, gemma 3 12b it on RTX 4500 Ada 24GB receives a C grade with 46.6 tok/s and 149K context.
On RTX 4500 Ada 24GB, gemma 3 12b it can safely use up to 149K 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-4500-ada-24gb" width="400" height="180" frameborder="0" style="border:none;border-radius:12px;overflow:hidden;" title="Will It Run AI — fit result"></iframe>
Preview:
6.7 GB |
| Medium |
| C47 |
Q4_K_M | 4 | 7.3 GB | Medium | C47 |
Q5_K_M | 5 | 8.6 GB | High | C48 |
Q6_K | 6 | 9.8 GB | High | C49 |
Q8_0Best for your GPU | 8 | 12.8 GB | Very High | C50 |
F16 | 16 | 24.6 GB | Maximum | F0 |