Amazfit GTS 4 Mini vs Fitbit Versa 4
The Verdict
Amazfit GTS 4 Mini excels in battery endurance with up to 15 days versus Fitbit Versa 4's 6 days, making it ideal for users prioritizing minimal charging. Versa 4 compensates with superior health features including ECG and skin temperature monitoring absent on the Amazfit. Display quality is comparable, both sporting AMOLED screens with always-on capability, though Versa 4 adds NFC for contactless payments and WiFi connectivity. Versa 4 weighs slightly more at 37.6g but offers more comprehensive fitness tracking through Fitbit's ecosystem integration. Budget-conscious buyers seeking exceptional battery life should choose the Amazfit GTS 4 Mini at $99. Those willing to invest $179 for advanced health metrics and payment features will appreciate Fitbit Versa 4's broader capabilities, despite frequent charging demands.
Who Should Buy
Buy the Amazfit GTS 4 Mini if…
- →15-day battery life is exceptional for an AMOLED smartwatch
- →Very affordable at just $99 with solid fitness features
- →Lightweight at 31.2 g — comfortable for 24/7 wear and sleep tracking
Buy the Fitbit Versa 4 if…
- →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
Category Scores
Pros & Cons
Amazfit GTS 4 Mini
Pros
- 15-day battery life is exceptional for an AMOLED smartwatch
- Very affordable at just $99 with solid fitness features
- Lightweight at 31.2 g — comfortable for 24/7 wear and sleep tracking
- Built-in GPS for outdoor activity tracking
- 120+ sport modes cover nearly every activity
Cons
- No NFC for contactless payments
- Limited smart features — no app store for third-party apps
- No Wi-Fi for faster syncing or standalone functionality
- Zepp OS has fewer integrations than Wear OS or watchOS
- Small display may be hard to read for some users
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
Full Specifications
| Spec | Amazfit GTS 4 Mini | Fitbit Versa 4 |
|---|---|---|
| Software | Zepp OS 2.0 | Fitbit OS (transitioning to Wear OS) |
| Body | ||
| Weight | 31.2 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 15 days (typical use) | Up to 6 days (typical usage) |
| Display | ||
| Size | 42mm | 40 mm (1.58 inches) |
| Type | AMOLED Always-On | AMOLED |
| Always-on display | ||
| Resolution | 336 x 384 | 336 x 336 |
| Processor | ||
| Chipset | Huami custom SoC | Fitbit proprietary |
| Connectivity | ||
| GPS | ||
| NFC | ||
| Wi-Fi | ||
| Cellular | ||
| Bluetooth | 5.2 | 5.0 |
Related Comparisons
This comparison is based on verified manufacturer specifications covering display, performance, camera, battery, and build quality. Scores are generated by analyzing specs across weighted categories on a 10-point scale. Learn more about our methodology.
Explore more in smartwatches, see all Amazfit products or all Fitbit products. View full details for the Amazfit GTS 4 Mini or the Fitbit Versa 4.