Can gemma 3 12b it run on RX 9070 XT 16GB?
YES — Runs Great
gemma 3 12b it needs ~11.2 GB VRAM. RX 9070 XT 16GB has 16.0 GB. With Q4_K_M quantization, expect ~56 tok/s.
Operating mode
Choose the run profile you care about
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
56.0 tok/s
TTFT
3460 ms
Safe context
70K
Memory
11.2 GB / 16.0 GB
Memory breakdown
See how fast it feels
What limits this setup
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.
Best improvement path
Performance by workload
| Workload | Grade | Fit | Decode | TTFT | Context |
|---|---|---|---|---|---|
| Chat | C | Runs well | 56.0 tok/s | 1887 ms | 70K |
| Coding | B | Runs well | 56.0 tok/s | 3460 ms | 70K |
| Agentic Coding | B | Runs well | 56.0 tok/s | 5033 ms | 70K |
| Reasoning | B | Runs well | 56.0 tok/s | 4089 ms | 70K |
| RAG | B | Runs well | 56.0 tok/s | 6291 ms | 70K |
Quantization options
How gemma 3 12b it (12B params) fits at each quantization level on RX 9070 XT 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 |
Get started
Copy-paste commands to run gemma 3 12b it on your machine.
Run
lms load hf-maziyarpanahi--gemma-3-12b-it-gguf && lms server start