GeForce RTX 3070
NVIDIA
8GB VRAM · 448 GB/s bandwidth · 20.3 FP16 TFLOPS · 220W TDP
The GeForce RTX 3070 has 8GB of VRAM with 448 GB/s memory bandwidth and 20.3 TFLOPS FP16 compute. At Q4 quantization, it can comfortably run Gemma 3 4B (138 tok/s), Qwen 2.5 7B (73 tok/s), Llama 3.1 8B (69 tok/s). Models larger than ~14B parameters won't fit even at Q4. Electricity cost is approximately $24/month at 220W TDP.
What LLMs can you run?
| Model | Params | Q4 Weight | Fit | Decode |
|---|---|---|---|---|
| Gemma 3 4B | 4.0B | 2 GB | comfortable | 138 tok/s |
| Qwen 2.5 7B | 7.6B | 4 GB | comfortable | 73 tok/s |
| Llama 3.1 8B | 8.0B | 4 GB | comfortable | 69 tok/s |
| Mistral Small 24B | 24.0B | 12 GB | won't fit | |
| Gemma 3 27B | 27.4B | 14 GB | won't fit | |
| Qwen 2.5 Coder 32B | 32.5B | 16 GB | won't fit | |
| Llama 3.3 70B | 70.6B | 35 GB | won't fit | |
| Qwen 2.5 72B | 72.7B | 36 GB | won't fit | |
| Llama 3.1 405B | 405B | 202 GB | won't fit | |
| DeepSeek R1 671B | 671B | 336 GB | won't fit |
Similar GPUs
| GPU | VRAM | BW | TFLOPS | TDP |
|---|---|---|---|---|
| Radeon Pro W5700 | 8GB | 448 GB/s | 17.3 | 205W |
| GeForce RTX 2060 SUPER | 8GB | 448 GB/s | 14.4 | 175W |
| GeForce RTX 2070 | 8GB | 448 GB/s | 14.9 | 175W |
| GeForce RTX 2070 SUPER | 8GB | 448 GB/s | 18.1 | 215W |
| GeForce RTX 2080 | 8GB | 448 GB/s | 20.1 | 215W |
Compare with another GPU
Select another GPU to compare specs and model performance side by side.