Amazfit GTS 4 Mini vs Fitbit Charge 6
The Verdict
Amazfit GTS 4 Mini delivers exceptional value at $99, featuring a vibrant 1.2-inch AMOLED display, impressive 15-day battery life, and solid health tracking with SpO2 and heart rate monitoring. Fitbit Charge 6 costs $60 more but adds ECG capability, NFC for contactless payments, and deeper Google ecosystem integration through Fitbit OS. Battery endurance favors Amazfit significantly (15 vs 7 days), making it superior for users prioritizing longevity between charges. Fitbit excels in payment convenience and advanced cardiac monitoring for health-conscious users. Display quality slightly favors Amazfit's higher resolution (336x384 vs 234x156). Both offer 5ATM water resistance and comprehensive sleep tracking. For budget-conscious buyers seeking everyday fitness tracking, Amazfit GTS 4 Mini is the standout choice. Those valuing ECG data and mobile payments should consider the premium Fitbit investment.
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 Charge 6 if…
- →ECG and built-in GPS on a fitness band at $159 is remarkable value
- →7-day battery life means weekly charging at most
- →Google Maps, YouTube Music, and Google Wallet integration
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 Charge 6
Pros
- ECG and built-in GPS on a fitness band at $159 is remarkable value
- 7-day battery life means weekly charging at most
- Google Maps, YouTube Music, and Google Wallet integration
- Physical side button returns — much better than Charge 5's touch sensor
- Slim, lightweight band form factor for 24/7 comfort
Cons
- Small screen limits app usability and readability
- Many features require Fitbit Premium subscription
- No voice assistant or microphone on the band
- Limited third-party app support compared to full smartwatches
Full Specifications
| Spec | Amazfit GTS 4 Mini | Fitbit Charge 6 |
|---|---|---|
| Software | Zepp OS 2.0 | Fitbit OS (Google integration) |
| Body | ||
| Weight | 31.2 g (without strap) | 37 g |
| Case material | Aluminum alloy | Aluminum |
| Water resistance | 5ATM | 5ATM |
| Health & Sensors | ||
| ECG | ||
| SpO₂ | ||
| Skin temperature | ||
| Heart rate | ||
| Sleep tracking | ||
| Battery | ||
| Battery life | Up to 15 days (typical use) | Up to 7 days |
| Display | ||
| Size | 42mm | 1.04 inches |
| Type | AMOLED Always-On | AMOLED |
| Always-on display | ||
| Resolution | 336 x 384 | 234 x 156 |
| Processor | ||
| Chipset | Huami custom SoC | Fitbit custom processor |
| 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 Charge 6.