Ever expanding memory

Just thought it was interesting to take a look at console RAM sizes over the years. Here's some data for the Playstation:

ModelYearRAM (MB)VRAM (MB)
Playstation 1199421
Playstation 22000324
Playstation 32006256256
Playstation 420138000256
Playstation 52020?????

And for the Xbox:

ModelYearRAM (MB)VRAM (MB)
Xbox200164 ?
Xbox 3602005512?
Xbox One20138000?
Xbox One X201712000?

A few other examples for comparison:

There are still many practical systems in operation today that have limited memory though. Some examples: