All three of these phones boast 4.3 inch touch screens, which means they're all roughly the same size and all easily among the largest phones currently available on any carrier. These are the flagships, but that also means flagship class size and weight. The Samsung Droid Charge, at 5.04 ounces, is the lightest, while the other two are just over six ounces.
This difference in weight likely stems from the differences in design. Both the Thunderbolt and the Revolution are boxy but sturdy products made of thick matte plastics that seem equally capable of brushing off scratches and minor spills. The Droid Charge, by contrast, is made of a glossy plastic that feels thinner and more fragile. At first glance, this results in a more attractive exterior, as well as less heft. But let's be honest - it hardly matters, because all of these phones need to be placed in cases for their protection.
HTC's Thunderbolt offers a kick-stand, a unique design trait rarely found on smartphones. The large, sturdy metal stand will hold the phone in an upright position while you view media. While not everyone will find a use for this feature, it can be handy for people who like to watch media frequently, as you can simply place the Thunderbolt on a flat surface instead of holding it.
Winner: Thunderbolt. Why? It's sturdy, fairly attractive, and has a nice kick-stand. The Revolution is too blah and the Droid Charge too flashy.