Swampert saves ~55 seconds in battle
Machamp saves ~22 seconds in cry length
Machamp saves ~50 seconds by getting Hidden Power instead of Ice Beam
Machamp saves ~8 seconds in PP items

Summary:
- Swampert is exceptional in the early game, while Machamp is just good
- Swampert has a slow and inconsistent Norman, while Machamp is exceptional
- Swampert has a slow Ice Beam detour
- Swampert is exceptional from Winona until Archie, while Machamp struggles slightly
- Swampert is great in Victory Road, while Machamp struggles
- Swampert has a rough Elite Four, while Machamp is exceptional
- Swampert is riskier because of Torrent management and Champion, while Machamp has a risky T&L but is otherwise safe