Battery life
- Amazfit GTS 4
- 300 mAh battery
- Fitbit Charge 6
- Up to 7 days
Wearable comparison
Amazfit GTS 4 vs Fitbit Charge 6
Compare battery life, health tracking, display and fit.
01Selected  Amazfit GTS 4
KSh 18,500Out of Stock | 02  Fitbit Charge 6
KSh 20,000Out of Stock |
|---|
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2 of 4 products
Our quick verdict
The Amazfit GTS 4, a smartwatch with a 1.75-inch OLED screen, is lighter to wear all day, syncs with apps such as Strava and takes calls from the wrist, while the Fitbit Charge 6, a fitness band with a small screen, takes ECG heart-rhythm readings.
Portability
- Amazfit GTS 4
- 27 g
- Fitbit Charge 6
- 30 g
Display
- Amazfit GTS 4
- 1.75-inch OLED display, 341 ppi
- Fitbit Charge 6
- OLED display
Software
- Amazfit GTS 4
- Zepp OS 2.0
- Fitbit Charge 6
- Google Health
Connections
- Amazfit GTS 4
- Bluetooth 5.0
- Fitbit Charge 6
- Bluetooth LE
Key differences
The main differences to help you choose.
Amazfit GTS 4
- Lighter: 27 g (vs 30 g).
- Slimmer: 9.9 mm thick (vs 11.2 mm).
- Syncs with third-party apps such as Strava and Apple Health.
- Charging: Magnetic charging.
Fitbit Charge 6
- ECG heart-rhythm readings.
- Charging: Proprietary charging cable.
What matters most to you?
6 priorities selected.
| Priority | Amazfit GTS 4 | Fitbit Charge 6 |
|---|---|---|
| Battery life | 300 mAh battery | Up to 7 days |
| Portability | 27 g | 30 g |
| Display | 1.75-inch OLED display, 341 ppi | OLED display |
| Software | Zepp OS 2.0 | Google Health |
| Connections | Bluetooth 5.0 | Bluetooth LE |
| Water resistance | 5 ATM | Water resistant to 50 m |
| Sensors | BioTracker 4.0 PPG, 4 PD + 2 LED | Optical heart-rate monitor, 3-axis accelerometer |
| Sleep tracking | Sleep stages including REM, naps | Sleep stages, sleep score |
| Charging | Magnetic charging | Proprietary charging cable |
| Positioning / GNSS | Dual-band GNSS, 6 satellite positioning systems | Built-in GPS, GLONASS |
| Health & wellness features | 24-hour heart rate, SpO₂ and stress | Heart rate, blood oxygen |
| Wrist size | 140–200 mm | Small: 130–170 mm, large: 170–210 mm |
| Strap / band | 20 mm quick-release fluororubber, pin buckle | Silicone infinity band, loop-and-peg closure |
Tick a topic above to see how each product answers it.
Detailed comparison
Explore the full specifications, section by section.
These products have the same published specifications.
Similarities
- Both have an aluminium case.
- Both are water resistant to 50 m.
- Both have OLED displays.
- Both connect over Bluetooth.
In summary
For most buyers the Amazfit GTS 4 is the better buy; the Fitbit Charge 6 makes sense if you want ECG heart-rhythm readings.
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