Can the AMD Radeon RX 7900 XTX run Gemma 3 12B?
- FP16
- Q8_0
- Q6_K
- Q5_K_M
- Q4_K_M
- Q3_K_M
- Q2_K
Yes. The AMD Radeon RX 7900 XTX can run Gemma 3 12B fully in VRAM at Q8_0 (near-lossless), using about 16.8 GB of the 24 GB available, at roughly 44 tokens/second.
Run it with Ollama
With Ollama installed, one command downloads and starts Gemma 3 12B:
ollama run gemma3:12bOllama's default download is Q4_K_M (about 11.2 GB here). You have room for Q8_0, which is near-lossless: pick that GGUF in LM Studio or from Hugging Face.
Run it in the cloud
No AMD Radeon RX 7900 XTX? Run Gemma 3 12B in the cloud.
Rent a cloud GPU by the hour. No upfront cost, stop any time.
Memory needed by quantization
At 8,192 tokens of context. The black line marks the 24 GB the AMD Radeon RX 7900 XTX can use.
| Quant | Quality | Memory | Fits? | Speed | |
|---|---|---|---|---|---|
| FP16 | Full quality | 28.2 GB | Too big | — | |
| Q8_0 | Near-lossless | 16.8 GB | Fits | ~44 tok/s | |
| Q6_K | Excellent | 13.8 GB | Fits | ~58 tok/s | |
| Q5_K_M | Very good | 12.5 GB | Fits | ~66 tok/s | |
| Q4_K_M | Good, most popular | 11.2 GB | Fits | ~78 tok/s | |
| Q3_K_M | Noticeably degraded | 9.8 GB | Fits | ~97 tok/s | |
| Q2_K | Heavily degraded | 8.4 GB | Fits | ~126 tok/s |
GPUs that run Gemma 3 12B comfortably
Frequently asked questions
Can AMD Radeon RX 7900 XTX run Gemma 3 12B?
Yes. The AMD Radeon RX 7900 XTX can run Gemma 3 12B fully in VRAM at Q8_0 (near-lossless), using about 16.8 GB of the 24 GB available, at roughly 44 tokens/second.
How much VRAM does Gemma 3 12B need?
About 11.2 GB at Q4_K_M with 8,192 tokens of context, and about 28.2 GB at full FP16 precision.
How fast is Gemma 3 12B on the AMD Radeon RX 7900 XTX?
Roughly 44 tokens per second at Q8_0, estimated from the AMD Radeon RX 7900 XTX's 960 GB/s memory bandwidth.