# Can I run Phi-4-mini 3.8B on Nvidia GeForce RTX 4080 (16GB)?

> **Yes, it runs.** Runs at Q4_K_M using ~3.8 GB of ~15 GB usable. You have room for FP16 for higher quality.

Last validated: 2026-06-15.

## Memory math
- Phi-4-mini 3.8B: 3.8B; Q4_K_M weighs 2.49 GB on disk.
- At Q4_K_M with a 4k context it needs ~3.8 GB (weights + KV cache + ~0.8 GB runtime overhead, ±15% with context length).
- Nvidia GeForce RTX 4080 (16GB): 16 GB vram, ~15 GB usable for model weights.
- Headroom: ~11.2 GB; it also fits FP16 for higher quality.

## How to run
Recommended quant: Q4_K_M. Best tool on Windows: LM Studio.

```sh
ollama run phi4-mini:3.8b
```

## Run Phi-4-mini 3.8B on other devices
- [Apple M1 (8GB)](https://localmodel.run/can-i-run/phi-4-mini-3.8b/apple-m1-8gb)
- [8GB RAM Laptop (CPU/iGPU only)](https://localmodel.run/can-i-run/phi-4-mini-3.8b/laptop-8gb)
- [iPhone 15 Pro](https://localmodel.run/can-i-run/phi-4-mini-3.8b/iphone-15-pro)
- [iPhone 16](https://localmodel.run/can-i-run/phi-4-mini-3.8b/iphone-16)
- [iPhone 16 Pro](https://localmodel.run/can-i-run/phi-4-mini-3.8b/iphone-16-pro)
- [Generic Android Phone (8GB RAM)](https://localmodel.run/can-i-run/phi-4-mini-3.8b/android-generic-8gb)

## Other models that run on Nvidia GeForce RTX 4080 (16GB)
- [gpt-oss 20B (21B)](https://localmodel.run/can-i-run/gpt-oss-20b/nvidia-rtx-4080-16gb)
- [DeepSeek-V2-Lite (16B)](https://localmodel.run/can-i-run/deepseek-v2-lite/nvidia-rtx-4080-16gb)
- [Phi-4 14B (14B)](https://localmodel.run/can-i-run/phi-4-14b/nvidia-rtx-4080-16gb)
- [Qwen2.5 14B (14B)](https://localmodel.run/can-i-run/qwen2.5-14b/nvidia-rtx-4080-16gb)
- [Qwen3 14B (14B)](https://localmodel.run/can-i-run/qwen3-14b/nvidia-rtx-4080-16gb)
- [DeepSeek-R1-Distill-Qwen 14B (14B)](https://localmodel.run/can-i-run/deepseek-r1-distill-qwen-14b/nvidia-rtx-4080-16gb)

Estimate, not a guarantee. Sources: https://ollama.com/library/phi4-mini, https://ollama.com/library/phi4-mini/tags, https://huggingface.co/bartowski/microsoft_Phi-4-mini-instruct-GGUF.
More: https://localmodel.run/can-i-run/phi-4-mini-3.8b/nvidia-rtx-4080-16gb