The leaders are the difference here.
Banks catalog is lyrically better than anything Dip ever put out.
Better swag maybe but Gunit clothing sold more ...the rest you are just reaching ...Dip could never make anything as smooth as this
G-Unit Feat. Joe - Wanna Get To Know You - YouTube
Joe ft G-Unit - Ride with you - YouTube
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Less hits, less sales, less commercial impact .....:whatever:
That Juelz album? 

Dipset had personality
G-unit were stale and catered to whiteboys
G-unit were more popular & more street. Dipset was more entertaining, talented & swag oriented, swag prevailed into contemporary hiphop & gangsta died off so revisionists right now are kinder to the diplomats than the unit but during the prime for both crews (02-05) g-units discography(albums & mixtapes) wins by a landslide.

G-unit sold more thanks to cacs and euros.. but Dipset influenced the culture way more from dress, language, etc.
...this is my shyt