Fitbit Charge 6 vs Fitbit Sense 2
Compare specifications, current prices and availability. Choose up to four products from the same family.
Add up to 2 more items to compare
Amazfit GTR 3 ProKSh 20,000.00
Samsung Galaxy Watch 6 Price range: KSh 22,500.00 through KSh 23,500.00
Samsung Galaxy Watch 6 Classic Price range: KSh 22,500.00 through KSh 25,500.00
AmazFit Balance Original price was: KSh 26,500.00.KSh 22,000.00Current price is: KSh 22,000.00.
At a glance
Key specifications and important differences. Full details follow below.
| Feature |  Fitbit Charge 6 |  Fitbit Sense 2 |
|---|---|---|
| Price | KSh 20,000.00 | KSh 29,500.00 |
| Display | AMOLED | AMOLED |
| Water resistance | 5 ATM / water resistant to 50 m; intended for suitable shallow-water use | Water resistant to 50 m for suitable shallow-water use |
| Positioning / GPS | — | Built-in GPS and GLONASS |
| Health & wellness features | Heart rate, blood oxygen, skin-temperature variation, ECG-compatible and EDA stress features; availability varies and wellness features are not medical diagnosis | Heart rate, blood oxygen, cEDA body response, ECG-compatible, skin-temperature variation and stress features; availability varies and not intended for diagnosis |
| Sleep tracking | Sleep stages, sleep score and overnight wellness tracking | Sleep stages, sleep score and overnight wellness tracking |
| Sports / workout modes | Multiple exercise modes with built-in GPS | Exercise tracking with SmartTrack automatic exercise recognition; steps, distance, calories and Cardio Fitness Score |
| Phone compatibility | Android 11.0 or later; iOS 16.4 or later; Bluetooth LE and internet required | Android 11.0 or later; iOS 16.4 or later; Bluetooth LE and internet required |
Full specifications
2 of 4 products
| Specification | Fitbit Charge 6 | Fitbit Sense 2 |
|---|---|---|
| Identity & design | ||
| Brand | Fitbit | Fitbit |
| Model | Fitbit Charge 6 | Fitbit Sense 2 |
| Announced | September 2023 | August 2022 |
| Dimensions | 36.73 × 23.09 × 11.20 mm | 40.5 × 40.5 × 11.2 mm |
| Weight | 30 g | 37.64 g |
| Build materials | Aluminum case, Corning Gorilla Glass 3, and flexible silicone infinity band | Aluminum watch case and buckle; Corning Gorilla Glass 3 |
| Wrist size | Small: 130–170 mm; large: 170–210 mm; both sizes included | Small: 130–180 mm; large: 165–220 mm; both sizes included |
| Strap / band | Flexible silicone infinity band with loop-and-peg closure | Flexible classic sport band; small and large sizes included |
| Controls / buttons | Haptic side button and AMOLED touchscreen | Side button and AMOLED touchscreen |
| Display | ||
| Display | AMOLED | AMOLED |
| Display protection | Corning Gorilla Glass 3 | Corning Gorilla Glass 3 |
| Display features | Always-on display supported; increases power use | Always-on display supported; increases power use |
| Connectivity | ||
| Bluetooth | Bluetooth Low Energy | Bluetooth Low Energy |
| NFC | Built-in NFC; supported payment features vary by country and bank | Built-in NFC; supported payment features vary by country and bank |
| Positioning / GNSS | — | Built-in GPS and GLONASS |
| Health & fitness | ||
| Sensors | 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 | Multi-path optical heart-rate sensor; cEDA skin-conductance sensor; multipurpose electrical sensors compatible with ECG and EDA apps; red and infrared SpO₂ sensors; gyroscope; altimeter; 3-axis accelerometer; skin-temperature sensor; ambient-light sensor |
| Health & wellness features | Heart rate, blood oxygen, skin-temperature variation, ECG-compatible and EDA stress features; availability varies and wellness features are not medical diagnosis | Heart rate, blood oxygen, cEDA body response, ECG-compatible, skin-temperature variation and stress features; availability varies and not intended for diagnosis |
| Sleep tracking | Sleep stages, sleep score and overnight wellness tracking | Sleep stages, sleep score and overnight wellness tracking |
| Sports / workout modes | Multiple exercise modes with built-in GPS | Exercise tracking with SmartTrack automatic exercise recognition; steps, distance, calories and Cardio Fitness Score |
| Smart features | ||
| Speaker | — | Built-in speaker, rated 75 dB SPL at 10 cm |
| Microphone | — | Built-in microphone |
| Battery & durability | ||
| Battery life | Up to 7 days; always-on display and SpO2 use require more frequent charging | More than 6 days; up to 5 hours with continuous GPS; always-on display, SpO2 and cEDA increase power use |
| Charging | Proprietary charging cable; approximately 2 hours from 0–100% | Proprietary charging cable; about one day of battery from 12 minutes of fast charging |
| Water resistance | 5 ATM / water resistant to 50 m; intended for suitable shallow-water use | Water resistant to 50 m for suitable shallow-water use |
| Compatibility | ||
| Phone compatibility | Android 11.0 or later; iOS 16.4 or later; Bluetooth LE and internet required | Android 11.0 or later; iOS 16.4 or later; Bluetooth LE and internet required |
| Companion app | Google Health app | Google Health app |
| Colors | Coral / Champagne Gold Aluminum; Porcelain / Silver Aluminum; Obsidian / Black Aluminum | Shadow Grey / Graphite Aluminum; Lunar White / Platinum Aluminum; Blue Mist / Soft Gold Aluminum |
| Additional specifications | ||
| Wi-Fi | — | Wi-Fi hardware present but deactivated and cannot be enabled |
| Calling | — | On-wrist Bluetooth calling features depend on phone, app and region support |
| Durability / certifications | — | 5 ATM under ISO 22810:2010 |
Related comparisons
Amazfit GTR 3 ProFitbit Charge 6Samsung Galaxy Watch 6Fitbit Charge 6Samsung Galaxy Watch 6 ClassicFitbit Charge 6AmazFit BalanceFitbit Charge 6
AmazFit Active EdgeFitbit Charge 6
Samsung Galaxy Watch 7Fitbit Charge 6
Samsung Galaxy Watch FEFitbit Charge 6
Huawei Watch GT 5Fitbit Charge 6
Xiaomi Watch S1 ActiveFitbit Charge 6
Huawei Watch GT 6Fitbit Charge 6