RTX 3070 meets the minimum VRAM requirement for Q4 inference of microsoft/Phi-4-multimodal-instruct. Review the quantization breakdown below to see how higher precision settings impact VRAM and throughput.
RTX 3070 can run microsoft/Phi-4-multimodal-instruct with Q4 quantization. At approximately 77 tokens/second, you can expect Good speed - acceptable for interactive use.
You have 4GB headroom, which is sufficient for system overhead and smooth operation.
| Quantization | VRAM needed | VRAM available | Estimated speed | Verdict |
|---|---|---|---|---|
| Q4 | 4GB | 8GB | 76.71 tok/s | ✅ Fits comfortably |
| Q8 | 7GB | 8GB | 56.43 tok/s | ⚠️ Tight fit |
| FP16 | 15GB | 8GB | 28.61 tok/s | ❌ Not recommended |