Disclaimer: I own nothing. I don't even own the plot, cuz there isn't one.
Here, we compare Jack with Pete.
Pete: can shoot a gun
Jack: can kill an alien with a really big gun
Pete: is short
Jack: is tall
Pete: was in, like, 10 episodes, maybe
Jack: was in, like, 180 episodes
Pete: is played by a guy who was in a dog food commercial
Jack: is played by a guy who was in a MasterCard commercial
Pete: is played by a commercial guy
Jack: is played by MacGyver
Pete: bought a great big house
Jack: already has a cool house
Pete: listens to…. Something
Jack: listens to Opera
Pete: was introduced to Sam through a friend
Jack: was introduced to Sam by force (air in particular)
Pete: thinks Sam is beautiful
Jack: thinks Sam is beautiful and incredibly awesome
Pete: is frightened by alphabetized bookshelves
Jack: probably has alphabetized bookshelves because Sam went over there and alphabetized his books
Pete: is played be a guy who is only on Stargate because of his brother
Jack: is played by a guy who is on Stargate because he's awesome
Pete: makes a fool of himself when talking to Jacob
Jack: is on good enough terms with Jacob that he calls him 'Dad'
Pete: Calls Sam repeatedly at work
Jack: works with Sam, and leaves her alone when she says so
Pete: barely survived nearly dying
Jack: made it through dying who knows how many times
Pete: has a name beginning with 'P', which when added to the beginning and 'S' to the end could make 'piss'
Jack: has a name beginning 'J', which when added to the beginning and 'S' to the end could make 'jewels'
Pete: makes jokes at the totally wrong time
Jack: makes jokes all the time
Pete: has to stoop the staking out a stakeout
Jack: is in on the original stakeout
Pete: only has clearance though default because he was stupid
Jack: has clearance because they wanted him on the SGC program
Pete: is kind of a nice guy actually
Jack: is just so much cooler though