Spawn Comet (RB, , , , LB, , , , , RB) vs Spawn Buzzard Attack Chopper (, , LB, , , , LB, , RB, , ,)

Compare Spawn Comet (RB, , , , LB, , , , , RB) and Spawn Buzzard Attack Chopper (, , LB, , , , LB, , RB, , ,) — stats, differences, and which is better for your build.