Gibit vs computer memory unit

Gibit and computer memory unit both are nouns.

Word	Noun	Adjective	Verb	Adverb
Gibit	Yes	No	No	No
computer memory unit	Yes	No	No	No

As nouns, computer memory unit is a hypernym of Gibit; that is, computer memory unit is a word with a broader meaning than Gibit:

Gibit: a unit of information equal to 1024 mebibits or 2^30 (1,073,741,824) bits
computer memory unit: a unit for measuring computer memory

Gibit (noun)	computer memory unit (noun)
a unit of information equal to 1024 mebibits or 2^30 (1,073,741,824) bits	a unit for measuring computer memory