NVIDIA GeForce RTX 5080 × Gemma 3 27B
Can the RTX 5080 run Gemma 3 27B?
No
No. Gemma 3 27B needs at least ~18.7 GB, but the RTX 5080 has ~15.2 GB usable. You would need CPU offloading (much slower) or more memory.
By quantization (8K context)
| Quant | Memory needed | Fits? | Est. tok/s |
|---|---|---|---|
| Q3_K_M | 18.7 GB | ❌ | — |
| Q4_K_M | 22.1 GB | ❌ | — |
| Q5_K_M | 25.1 GB | ❌ | — |
| Q6_K | 28.2 GB | ❌ | — |
| Q8_0 | 34.9 GB | ❌ | — |
| F16 | 61.4 GB | ❌ | — |
Fastest hardware for Gemma 3 27B
- NVIDIA GeForce RTX 5090 — ~66.7 tok/s at Q4_K_M
- NVIDIA GeForce RTX 4090 — ~42.8 tok/s at Q4_K_M
- AMD Radeon RX 7900 XTX — ~42.4 tok/s at Q4_K_M
- NVIDIA GeForce RTX 3090 Ti — ~39.4 tok/s at Q4_K_M
- NVIDIA GeForce RTX 3090 — ~36.4 tok/s at Q4_K_M
Rent a GPU instead
Gemma 3 27B doesn't fit here? Rent a cloud GPU with enough VRAM by the hour and run it there.
Vast.ai — cheap marketplace GPUs · RunPod — on-demand GPU pods
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