Amazfit Helio Strap vs Fitbit Charge 6
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At a glance
Key specifications and important differences. Full details follow below.
| Feature |  Amazfit Helio Strap |  Fitbit Charge 6 |
|---|---|---|
| Price | KSh 22,000.00 | KSh 20,000.00 |
| Display | — | AMOLED |
| Battery capacity | 232 mAh rated | — |
| Water resistance | 5 ATM; suitable for splashes, showering and shallow-water swimming, not diving or high-pressure water activities | 5 ATM / water resistant to 50 m; intended for suitable shallow-water use |
| Health & wellness features | 24-hour heart rate, blood oxygen, stress, BioCharge energy level, PAI and heart-rate recovery; wellness measurements are not intended for medical diagnosis | Heart rate, blood oxygen, skin-temperature variation, ECG-compatible and EDA stress features; availability varies and wellness features are not medical diagnosis |
Full specifications
2 of 4 products
| Specification | Amazfit Helio Strap | Fitbit Charge 6 |
|---|---|---|
| Identity & design | ||
| Brand | Amazfit | Fitbit |
| Model | Helio Strap (A2445) | Fitbit Charge 6 |
| Announced | — | September 2023 |
| Dimensions | 33.97 × 24.3 × 10.59 mm (heart-rate sensor base excluded) | 36.73 × 23.09 × 11.20 mm |
| Weight | 20 g | 30 g |
| Build materials | Fiber-reinforced polymer sensor body | Aluminum case, Corning Gorilla Glass 3, and flexible silicone infinity band |
| Wrist size | 145–205 mm | Small: 130–170 mm; large: 170–210 mm; both sizes included |
| Strap / band | 22 mm nylon strap with hook-and-loop fastening | Flexible silicone infinity band with loop-and-peg closure |
| Controls / buttons | Screen-free smart band with indicator lights; controls and data are managed through the Zepp app | Haptic side button and AMOLED touchscreen |
| Display | ||
| Display | — | AMOLED |
| Display protection | — | Corning Gorilla Glass 3 |
| Display features | — | Always-on display supported; increases power use |
| Connectivity | ||
| Bluetooth | Bluetooth 5.2 BLE | Bluetooth Low Energy |
| NFC | — | Built-in NFC; supported payment features vary by country and bank |
| Sensors, health & fitness | ||
| Sensors | BioTracker 6.0 PPG biometric sensor (5PD + 2LED), accelerometer, gyroscope and temperature sensor | Optical heart-rate monitor, 3-axis accelerometer, red/infrared SpO2 sensors, device temperature sensor, ambient-light sensor, multipurpose ECG/EDA electrical sensors, vibration motor, GPS and GLONASS |
| Health & wellness features | 24-hour heart rate, blood oxygen, stress, BioCharge energy level, PAI and heart-rate recovery; wellness measurements are not intended for medical diagnosis | Heart rate, blood oxygen, skin-temperature variation, ECG-compatible and EDA stress features; availability varies and wellness features are not medical diagnosis |
| Sleep tracking | Sleep stages including REM, naps, sleep schedule, sleep HRV, breathing quality and sleep score | Sleep stages, sleep score and overnight wellness tracking |
| Sports / workout modes | 50+ sports modes, including smart strength training and official HYROX Race mode | Multiple exercise modes with built-in GPS |
| Battery & durability | ||
| Battery capacity | 232 mAh rated | — |
| Battery life | Up to 10 days typical use | Up to 7 days; always-on display and SpO2 use require more frequent charging |
| Charging | Magnetic charging head; less than 2 hours; USB-C cable is not included | Proprietary charging cable; approximately 2 hours from 0–100% |
| Water resistance | 5 ATM; suitable for splashes, showering and shallow-water swimming, not diving or high-pressure water activities | 5 ATM / water resistant to 50 m; intended for suitable shallow-water use |
| Compatibility | ||
| Phone compatibility | Android 7.0 or later; iOS 15.0 or later | Android 11.0 or later; iOS 16.4 or later; Bluetooth LE and internet required |
| Companion app | Zepp app; supports synchronization with Strava, TrainingPeaks, adidas Running, komoot, Relive, Google Fit and Apple Health where available | Google Health app |
| Colors | Black | Coral / Champagne Gold Aluminum; Porcelain / Silver Aluminum; Obsidian / Black Aluminum |
| Additional specifications | ||
| Vibration motor | Rotor motor | — |
| Charging time | Less than 2 hours from empty | — |
| Smart recognition | Recognizes 25 strength-training movements | — |
| Offline data storage | Stores up to 21 days of offline heart-rate data | — |
| Real-time heart-rate broadcast | Supported; heart rate can be synchronized to compatible third-party smartwatches | — |
| Workout status | PeakBeats training-status system | — |
| Energy, load and readiness features | BioCharge energy-level tracking | — |
| Other health features | PAI health assessment and heart-rate recovery | — |
| Third-party fitness apps | Strava, TrainingPeaks, adidas Running, Runna, komoot, Relive, Google Fit and Apple Health; availability varies by region and platform | — |
| Packing list | Smart band and strap assembled, magnetic charging head without cable, and instruction manual | — |
| Packaging materials | Made with 100% recyclable materials | — |
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