Gemma 4 31B is a 31.27B-parameter model. Smaller quantizations need less memory and run faster, at some cost in quality. Below is the expected speed on each piece of hardware at the best quantization that fits.
| Hardware | Quantization | Memory | Generation | First token |
|---|---|---|---|---|
| H200 141GB (cloud) | Q4_K_M | Fits | 106 tok/s | 0.3 s |
| H100 80GB (cloud) | Q4_K_M | Fits | 74 tok/s | 0.3 s |
| A100 80GB (cloud) | Q4_K_M | Fits | 45 tok/s | 0.3 s |
| NVIDIA RTX 5090 32GB | Q4_K_M | Fits | 39 tok/s | 0.3 s |
| NVIDIA RTX PRO 6000 96GB | Q4_K_M | Fits | 39 tok/s | 0.3 s |
| AMD RX 7900 XTX 24GB | Q4_K_M | Fits | 33 tok/s | 0.5 s |
| Mac Studio M5 Ultra 512GB | Q4_K_M | Fits | 31 tok/s | 0.4 s |
| AMD RX 7900 XT 20GB | Q4_K_M | Partial offload | 26 tok/s | 1.6 s |
| Mac Studio M3 Ultra 512GB | Q4_K_M | Fits | 23 tok/s | 0.4 s |
| NVIDIA RTX 4090 24GB | Q4_K_M | Fits | 22 tok/s | 0.3 s |
| AMD Radeon AI PRO R9700 32GB | Q4_K_M | Fits | 22 tok/s | 0.4 s |
| NVIDIA RTX 3090 24GB | Q4_K_M | Fits | 21 tok/s | 0.3 s |
| MacBook Pro M5 Max 128GB | Q4_K_M | Fits | 17 tok/s | 0.4 s |
| Mac Studio M4 Max 128GB | Q4_K_M | Fits | 15 tok/s | 0.5 s |
| MacBook M3 Max 48GB | Q4_K_M | Fits | 11 tok/s | 0.6 s |
| AMD Ryzen AI Max+ 395 128GB (Strix Halo) | Q4_K_M | Fits | 11 tok/s | 0.4 s |
| AMD RX 9070 XT 16GB | Q4_K_M | Partial offload | 10 tok/s | 1.4 s |
| NVIDIA RTX 5080 16GB | Q4_K_M | Partial offload | 9.7 tok/s | 1.3 s |
| NVIDIA RTX 5070 Ti 16GB | Q4_K_M | Partial offload | 9.5 tok/s | 1.3 s |
| MacBook Pro M5 Pro 48GB | Q4_K_M | Fits | 8.7 tok/s | 0.5 s |
| NVIDIA RTX 4070 Ti Super 16GB | Q4_K_M | Partial offload | 8.4 tok/s | 1.3 s |
| Mac Mini M4 Pro 64GB | Q4_K_M | Fits | 7.7 tok/s | 0.8 s |
| Intel Arc Pro B70 32GB | Q4_K_M | Fits | 6.9 tok/s | 0.7 s |
| NVIDIA RTX 5060 Ti 16GB | Q4_K_M | Partial offload | 6.8 tok/s | 1.4 s |
| NVIDIA DGX Spark 128GB | Q4_K_M | Fits | 6.0 tok/s | 0.3 s |
| NVIDIA RTX 4070 12GB | Q4_K_M | Partial offload | 5.6 tok/s | 1.3 s |
| NVIDIA RTX 3060 12GB | Q4_K_M | Partial offload | 5.0 tok/s | 1.5 s |
| CPU-only (Ryzen 9 9950X, 96GB DDR5) | Q4_K_M | Fits | 3.3 tok/s | 1.0 s |
| MacBook M4 Pro 24GB | Q4_K_M | Doesn't fit | Won't run | — |
| MacBook M2 Pro 16GB | Q4_K_M | Doesn't fit | Won't run | — |
Estimates for a short prompt on a single device. Measured numbers come from community benchmarks (r/LocalLLaMA, localscore.ai and more); others are derived from similar setups or projected from specs. Open source on GitHub.