Subnotebook vs. Netbook

Subnotebook and Netbook Definitions
Subnotebook
A portable computer that is smaller than a notebook computer.
Netbook
A portable computer that is smaller than a laptop, with less processing speed and less memory, used primarily for accessing the internet.
Subnotebook
(computing) A small, lightweight laptop computer, smaller than a notebook computer.
Netbook
(computing) An economical notebook computer.