As nouns the difference between upgrader and upgrades
is that upgrader is one who, or that which, upgrades while upgrades is .
As a verb upgrades is
(upgrade).
upgrader
English
Noun
(
en noun)
One who, or that which, upgrades.
* 2007', Tim Speed, Brad Schauf, Dick McCarrick, ''Lotus Notes Domino 8: '''Upgrader' s Guide
A facility that upgrades bitumen into synthetic crude oil.
upgrades
English
Noun
(head)
Verb
(head)
(upgrade)