PFLOPS vs petaflop

PFLOPS and petaflop both are nouns.

Word	Noun	Adjective	Verb	Adverb
PFLOPS	Yes	No	No	No
petaflop	Yes	No	No	No

As nouns, PFLOPS and petaflop are synonyms defined as:

PFLOPS and petaflop: (computer science) a unit for measuring the speed of a computer system, equal to one quadrillion floating-point operations a second.

PFLOPS (noun)	petaflop (noun)
(computer science) a unit for measuring the speed of a computer system, equal to one quadrillion floating-point operations a second.	(computer science) a unit for measuring the speed of a computer system, equal to one quadrillion floating-point operations a second.