GoogleGemma 3 12B on NVIDIA GeForce RTX 5080
Yes — RTX 5080 runs Gemma 3 12B excellently at Q5_K_M — 72 tok/s. 16 GB VRAM with plenty of headroom.
Model Size
12.2B
Device VRAM
16 GB
Bandwidth
960 GB/s
Quantization
Q5_K_M
Performance by Quantization
OwnRig currently has one published compatibility entry for Gemma 3 12B on NVIDIA GeForce RTX 5080 at Q5_K_M. This is the best supported pairing we can stand behind today.
| Quantization | Speed | TTFT | Fits in VRAM | Rating | Confidence |
|---|---|---|---|---|---|
| Q5_K_M | 72 tok/s | 100ms | ✓ Yes | Excellent | estimated |
Notes
Q5_K_M
Q5 12B fits well. Capable performance on 5080.
About Gemma 3 12B
Gemma 3 12B (12.2B) is a chat, coding, multi-purpose model. Google's efficient 12B model with chat and coding support.
View all Gemma 3 12B hardware options →About NVIDIA GeForce RTX 5080
NVIDIA GeForce RTX 5080 has 16 GB at 960 GB/s. Street price: $1,099.
See all models NVIDIA GeForce RTX 5080 can run →Estimate method: Community benchmarks and estimated performance. Reference hardware source: github.com (2026-03-01)
Performance varies by driver version, inference engine, quantization method, context length, and system configuration. Figures shown are estimates based on community benchmarks and may not reflect your exact setup. Product names are trademarks of their respective owners. OwnRig is independent and not affiliated with any hardware or AI model provider.