Building Computer Vision Projects with OpenCV 4 and C++

Power draw of Cartoonifier running on desktop versus embedded system

We've seen that various embedded devices are slower than desktops, from the Raspberry Pi 1 being roughly 20 times slower than a desktop, up to Jetson TK1 being roughly 1.5 times slower than a desktop. But for some tasks, low speed is acceptable if it means there will also be significantly lower battery draw, allowing for small batteries or low year-round electricity costs for a server, or low heat generation.

Raspberry Pi has different models even for the same processor, such as Raspberry Pi 1B, Zero, and 1A+, which all run at similar speeds but have significantly different power draws. MIPI CSI cameras such as the Raspberry Pi Cam also use less electricity than webcams. ...