[seethishat]

The major difference, here, is this is intended for multiple users (not one person). Imaging 5,000 users all using the device at the same time. The amount of memory, open file handles, network connections, etc. for many users at once adds up.

[dhosek]

The IBM mainframe that I used at UIC in the 80s had 64 MEGA bytes of RAM and about double the users.