
1
Amazfit · 2025Helio Core
8% cheaper ≈ $70
- Battery life (smartwatch mode) 10 days vs 5 days
- Water resistance 5 ATM vs 3 ATM
- Thickness 9.6 mm vs 12 mm
- Built-in GPS
10 fitness bands at a similar price that compete with the Fit 1.0 — what each does better, what it gives up and how the price compares.









