Amazfit Balance vs Fitbit Versa 4
Amazfit Balance delivers exceptional value with a larger 1.5-inch AMOLED display, stronger battery endurance (14 days vs 6 days), and lighter 35g design, making it ideal for users prioritizing longevity between charges. Fitbit Versa 4 counters with a genuine ECG sensor, NFC for contactless payments, and the advantage of transitioning to Google's Wear OS ecosystem for future software improvements. Both feature comprehensive health tracking (SpO2, heart rate, skin temperature, sleep), though Amazfit's Zepp OS remains more intuitive than Fitbit's aging interface. Battery performance heavily favors Amazfit—14 days versus 6 days is substantial for daily wearers. However, Fitbit's ECG capability and NFC accessibility appeal to health-conscious users and those needing mobile payments. At $20 less, Amazfit Balance emerges as the stronger choice for most consumers, particularly those seeking best-in-class battery life and display quality without sacrificing essential health features.
Full Specifications
| Spec | Amazfit Balance | Fitbit Versa 4 |
|---|---|---|
| Software | Zepp OS 4 | Fitbit OS (transitioning to Wear OS) |
| Body | ||
| Weight | 35 g (without strap) | 37.6 g |
| Case material | Aluminum alloy | Aluminum |
| Water resistance | 5ATM | WR50 |
| Health & Sensors | ||
| ECG | ||
| SpO₂ | ||
| Skin temperature | ||
| Heart rate | ||
| Sleep tracking | ||
| Battery | ||
| Battery life | Up to 14 days (typical usage) | Up to 6 days (typical usage) |
| Display | ||
| Size | 46 mm (1.5 inches) | 40 mm (1.58 inches) |
| Type | AMOLED | AMOLED |
| Always-on display | ||
| Resolution | 480 x 480 | 336 x 336 |
| Processor | ||
| RAM | 32 MB | — |
| Chipset | Huami proprietary | Fitbit proprietary |
| Connectivity | ||
| GPS | ||
| NFC | ||
| Wi-Fi | ||
| Cellular | ||
| Bluetooth | 5.2 | 5.0 |
Category Scores
Pros & Cons
Amazfit Balance
Pros
- 14-day battery life is excellent for a full-featured smartwatch
- AI-powered Readiness Score helps optimize training and recovery
- Lightweight at 35 g — barely noticeable on the wrist
- Skin temperature and SpO2 monitoring at $199
- 150+ sport modes with GPS tracking
Cons
- No ECG monitoring
- Zepp OS has limited third-party app ecosystem
- No NFC for contactless payments
- No cellular connectivity — phone required for notifications
Fitbit Versa 4
Pros
- Best sleep tracking of any smartwatch — Daily Readiness Score
- ECG, SpO2, and skin temperature at $179 is strong value
- 6-day battery life — charge once a week
- NFC for Google Wallet contactless payments
- Google integration with Maps, Wallet, and YouTube Music
Cons
- Fitbit OS is being sunset — unclear future app support
- GPS accuracy is less reliable than Garmin or Apple Watch
- Limited third-party app ecosystem
- Physical button replaced with a haptic side button — divisive
Related Comparisons
Explore more in smartwatches, see all Amazfit products or all Fitbit products. View full details for the Amazfit Balance or the Fitbit Versa 4.