Raspberry Pi 4 - 8 vs. 4 vs. 2 GB?

Just curious, if I need to get a new Raspberry Pi (4), what would be the deciding factor to in selecting the 8 GB vs. the 4 GB vs. the 2 GB?

What kind of applications or use cases (if any) would drive the need for the additional memory?

Hello
If you plan to use heavily graphics or video, it’s better to have more memory. If you will use your Pi as a black box, like a data recorder, console only, 2GB is enough.