In depth comparison and review of Fitbit Sense 2 and Apple Watch Series 9 (GPS + Cellular). Compare sizes, functions, displays, batteries and other important specifications and features to easily choose the right smartwatch for you. Our goal is to help you uncover differences between the products and find the watch that will best fit your needs.
| GENERAL | Fitbit Sense 2 | Apple Watch Series 9 (GPS + Cellular) |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | - | WatchOS 10 |
| Supported Host Device OS | Android 8.0 (Oreo) or later, iOS 14 or later | iOS 17 or later |
| Activity/Sport | Multisport | - |
| Wearing Style | Watch style | Watch style |
| Audio Input | Microphone | Microphone |
| Audio Output | Speaker | Speaker |
| Width | 40.5 mm | - |
| Height | 40.5 mm | - |
| Depth | 12.3 mm | - |
| Body Details | - | Case only: 32.1 g |
| Body Material | Aluminium | 100% recycled aluminium |
| Protection | Water-resistant | Water-resistant, dust-resistant, crack-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Fitbit Sense 2 | Apple Watch Series 9 (GPS + Cellular) |
|---|
| Sensors | Ambient light sensor, altimeter, SpO2 sensor, 3-axis accelerometer, temperature, optical heart sensor, electrodermal activity (EDA) sensor, vibration motor, multipurpose electrical sensor | Digital compass, electrical heart sensor, blood oxygen sensor, optical heart sensor (3d gen), always-on altimeter, temperature sensor, high-g accelerometer, gyroscope with high dynamic range |
|---|---|---|
| Tracking Data | Distance, calories burned, activity, sleep activity, heart rate, steps taken, floors climbed, blood oxygen saturation, stress level, active time, menstrual cycle, breathing rate, temperature, sleep quality score, blood glucose | Distance, time, calories burned, activity, sleep activity, heart rate, blood oxygen saturation, sleep stages, menstrual cycle, ECG, ovulation phase, mental wellbeing |
| Modes | 40+ sports modes | - |
| Goal Setting | Yes | Yes |
| Features | Find phone function, automatic exercise recognition, breathing training function, Active Zone Minutes, HRV index, Sleep Score, Sleep Profile, Stress Management Score, Daily Readiness Score, all day body response tracking, cardio fitness score | Fall detection, Emergency SOS, brightness: 2000 nits, Family Setup support, International Emergency Calling, Crash Detection, noise monitoring, Compass Waypoint, fast charge, precision finding for iPhone, elevation view |
| Notifications | SMS, applications, high and low heart rate, calls, irregular rhythm | Calendar, SMS, Email, applications, high and low heart rate, irregular rhythm, cardio fitness |
| Vibrating Alert | Yes | Yes |
| Feedback Type | Vibration alert, visual interface | Audio alert, vibration alert, visual interface |
| Navigation (GPS) | GPS/GLONASS receiver | GPS/GLONASS/Galileo/BeiDou/QZSS receiver |
| Payment Technology | FitBit Pay | Apple Pay |
| Internet of Things (IoT) Compatible | Yes | Yes |
| IoT Intelligent Assistant | Alexa built-in | Siri |
| IoT Voice Controlled | Direct | Direct |
| CELLULAR | Fitbit Sense 2 | Apple Watch Series 9 (GPS + Cellular) |
|---|
| Technology | - | WCDMA (UMTS) |
|---|---|---|
| Mobile Broadband Generation | - | 4G |
| SIM Card Type | - | Electronic SIM card (e-SIM) |
| CONNECTIVITY | Fitbit Sense 2 | Apple Watch Series 9 (GPS + Cellular) |
|---|
| 3M UMTS Band | - | Band 1, Band 2, Band 5, Band 10 |
|---|---|---|
| 4G LTE Band | - | Band 1, Band 2, Band 3, Band 4, Band 5, Band 6, Band 7, Band 8, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 39, Band 40, Band 41, Band 66 |
| Wireless Interface | NFC, Bluetooth 5.0 | IEEE 802.11b/g/n, LTE, Ultra-Wideband (UWB), Bluetooth 5.3 |
| DISPLAY | Fitbit Sense 2 | Apple Watch Series 9 (GPS + Cellular) |
|---|
| Type | Colour | Retina LTPO OLED - colour |
|---|---|---|
| Resolution | - | 352 x 430 pixels |
| Screen Protection | - | Ion-X glass |
| Always On Display (AOD) | Yes | Yes |
| INPUT DEVICE | Fitbit Sense 2 | Apple Watch Series 9 (GPS + Cellular) |
|---|
| Type | Touch sensitive screen, push button | Touch sensitive screen, side button, double tap gesture |
|---|
| CASE | Fitbit Sense 2 | Apple Watch Series 9 (GPS + Cellular) |
|---|
| Case Size | - | 41 mm |
|---|---|---|
| Case Shape | Square | Rectangular |
| Case Back | Aluminium | Sapphire crystal and ceramic back |
| Case Details | Platinum aluminum | Starlight aluminium | Silver aluminium | Gold stainless steel | Graphite stainless steel | Midnight aluminium | Pink aluminum | Red aluminium | Silver stainless steel |
| Crown Type | - | Digital with haptic feedback |
| BAND | Fitbit Sense 2 | Apple Watch Series 9 (GPS + Cellular) |
|---|
| Band Type | Band | Sport band |
|---|---|---|
| Band Size | S | M/L |
| Fits Wrist with Circumference | 129-175 mm | 150-200 mm |
| Changeable | Yes | Yes |
| Clasp Type | Pin-and-tuck | Pin-and-tuck |
| Band Material | - | Fluoroelastomer |
| Band Colour | Lunar white | Starlight | Storm blue | Clay | Midnight | Light pink | Red | Silver | Gold | Graphite | Winter blue |
| STORAGE | Fitbit Sense 2 | Apple Watch Series 9 (GPS + Cellular) |
|---|
| Storage Capacity | - | 64 GB |
|---|
| CPU | Fitbit Sense 2 | Apple Watch Series 9 (GPS + Cellular) |
|---|
| Manufacturer | - | Apple |
|---|---|---|
| CPU Type | - | S9 SiP |
| Features | - | W3 Apple wireless chip, second-generation Ultra Wideband chip, 4-core Neural Engine |
| BATTERY | Fitbit Sense 2 | Apple Watch Series 9 (GPS + Cellular) |
|---|
| Technology | Lithium polymer | Lithium Ion |
|---|---|---|
| Battery Life | 6 day(s) | 18 hours |
| Battery Life Details | GPS mode - up to 5 hour(s) | Typical usage - up to 18 hour(s) Low power mode - up to 36 hour(s) |
| Rechargeable Battery | - | Yes |
| Recharge Time | 2 hours | - |
| Wireless Charging | - | Yes |
| MISCELLANEOUS | Fitbit Sense 2 | Apple Watch Series 9 (GPS + Cellular) |
|---|
| Included Accessories | Charging cable, 6-month Fitbit Premium membership, wristband (158 - 209 mm) | Magnetic fast charger to USB-C cable (1 m) |
|---|---|---|
| Preloaded Software | Alarm, FitBit Pay | GymKit |
| Compliant Standards | - | IP6X, BFR-free, PVC-free, Beryllium-free, Mercury-free, Arsenic-free |
| Specific Absorption Rate (SAR) | - | 0.15 W/kg (head) 0.36 W/kg (limb) |
| Carbon Footprint | - | 0 kg carbon emissions |
| Max Depth of Water Resistance | 50 m | 50 m |
| Max Operating Temperature | 45 °C | - |
| Min Operating Temperature | -10 °C | - |
| Manufacturer Model Number | - | A2982 |
| Warranty | 2-year warranty | - |
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