
5% cheaper ≈ $180
- Battery life (smartwatch mode) 15 days vs 10 days
- Resolution (width) 466 px vs 410 px
- Screen size 1.43″ vs 1.96″
- Weight 71 g vs 60 g
10 GPS sports watches at a similar price that compete with the Tank M4 — what each does better, what it gives up and how the price compares.









