# Comparison

* Matrix

| MCU        | CPU           | GPIO  | Wireless| Cost |
| ------------- |:-------------:| -----:|------|------| 
| Raspberry Pi W      | 1GHz Single Core | 40 | WiFi / Bluetooth | S$15 |
| ESP32_CAM           | 160MHz Single Core | 36 | WiFi / Bluetooth | S$10 |

* ESP32-CAM suitability
  + Low frequency data throughput
  + Low Power usage
  
* Raspberry Pi Zero W
  + Great for full fledge web server service. Eg. : MQQT broker, File Server
  + Advanced vision application using OpenCV package
  + Graphical Terminal display using HDMI