megabyte vs mebibyte

megabyte and mebibyte both are nouns.

Word	Noun	Adjective	Verb	Adverb
megabyte	Yes	No	No	No
mebibyte	Yes	No	No	No

As nouns, megabyte and mebibyte are synonyms defined as:

megabyte and mebibyte: a unit of information equal to 1024 kibibytes or 2^20 (1,048,576) bytes

Other synonyms of megabyte include M, MB, MiB.

megabyte (noun)	mebibyte (noun)
a unit of information equal to 1024 kibibytes or 2^20 (1,048,576) bytes	a unit of information equal to 1024 kibibytes or 2^20 (1,048,576) bytes
a unit of information equal to 1000 kilobytes or 10^6 (1,000,000) bytes