Compare phones: Samsung Droid Charge, HTC DROID Incredible 2, Samsung Fascinate - Phone Arena
The Fascinate and Incredible 2 is thinner and lighter than the Charge.
This is with the GS2:
Compare phones: Samsung Droid Charge, LG Revolution, Samsung Galaxy S II - Phone Arena
Compare some other phone's dimensions to the Charge... I dont think the Charge is all that thin. Its probably the thinnest and lightest Verizon LTE phone right now tho; but especially compared to the GS2...overseas version anyway ...it is thicker.