Side by side comparison and review of Fitbit Sense and Fitbit Sense 2. Compare design, displays, functions, batteries and other key specifications and features to simplify the choice of your perfect smartwatch. Our goal is to make it easier for you to decide on the watch that will best meet your expectations by revealing the main differences between the products.
| GENERAL | Fitbit Sense | Fitbit Sense 2 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Supported Host Device OS | Android 7.0 (Nougat) or later, iOS 12.2 or later | Android 8.0 (Oreo) or later, iOS 14 or later |
| Activity/Sport | - | Multisport |
| Wearing Style | Watch style | Watch style |
| Audio Input | Microphone | Microphone |
| Audio Output | Speaker | Speaker |
| Width | 40.38 mm | 40.5 mm |
| Height | 40.38 mm | 40.5 mm |
| Depth | 12.45 mm | 12.3 mm |
| Body Material | Stainless steel, aluminium | Aluminium |
| Protection | Water-resistant | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Fitbit Sense | Fitbit Sense 2 |
|---|
| Sensors | Ambient light sensor, altimeter, gyro sensor, 3-axis accelerometer, temperature, optical heart sensor, electrodermal activity (EDA) sensor | Ambient light sensor, altimeter, SpO2 sensor, 3-axis accelerometer, temperature, optical heart sensor, electrodermal activity (EDA) sensor, vibration motor, multipurpose electrical sensor |
|---|---|---|
| Tracking Data | Distance, calories burned, activity, sleep activity, heart rate, steps taken, skin temperature, sleep stages, stress level, menstrual cycle, ECG | 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 |
| Modes | - | 40+ sports modes |
| Goal Setting | Yes | Yes |
| Features | Music remote handling, HR zones, breathing training function | 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 |
| Notifications | Missed calls, calendar, SMS, social apps | SMS, applications, high and low heart rate, calls, irregular rhythm |
| Vibrating Alert | Yes | Yes |
| Feedback Type | Vibration alert, visual interface | Vibration alert, visual interface |
| Navigation (GPS) | GPS/GLONASS receiver | GPS/GLONASS receiver |
| Payment Technology | FitBit Pay | FitBit Pay |
| Internet of Things (IoT) Compatible | Yes | Yes |
| IoT Intelligent Assistant | Google Assistant, Alexa | Alexa built-in |
| IoT Voice Controlled | - | Direct |
| CONNECTIVITY | Fitbit Sense | Fitbit Sense 2 |
|---|
| Wireless Interface | IEEE 802.11b/g/n, NFC, Bluetooth 5.0 | NFC, Bluetooth 5.0 |
|---|
| DISPLAY | Fitbit Sense | Fitbit Sense 2 |
|---|
| Type | AMOLED - colour | Colour |
|---|---|---|
| Screen Protection | Corning Gorilla Glass 3 (scratch resistant glass) | - |
| Always On Display (AOD) | Yes | Yes |
| INPUT DEVICE | Fitbit Sense | Fitbit Sense 2 |
|---|
| Type | Touch sensitive screen | Touch sensitive screen, push button |
|---|
| CASE | Fitbit Sense | Fitbit Sense 2 |
|---|
| Case Shape | Square | Square |
|---|---|---|
| Case Back | - | Aluminium |
| Case Details | Silver stainless steel | Graphite stainless steel | Soft gold stainless steel | Platinum aluminum |
| BAND | Fitbit Sense | Fitbit Sense 2 |
|---|
| Band Type | Band | Band |
|---|---|---|
| Band Size | S/L | S |
| Fits Wrist with Circumference | 140-220 mm | 129-175 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Pin-and-tuck |
| Band Material | Silicone | - |
| Band Colour | Sage grey | Carbon | Lunar white | Lunar white |
| BATTERY | Fitbit Sense | Fitbit Sense 2 |
|---|
| Technology | Lithium polymer | Lithium polymer |
|---|---|---|
| Battery Life | 6 day(s) | 6 day(s) |
| Battery Life Details | Typical usage - up to 6 days GPS mode - up to 12 hour(s) |
GPS mode - up to 5 hour(s) |
| Rechargeable Battery | Yes | - |
| Recharge Time | - | 2 hours |
| MISCELLANEOUS | Fitbit Sense | Fitbit Sense 2 |
|---|
| Included Accessories | Charging cable, 2 wristbands (S+L) | Charging cable, 6-month Fitbit Premium membership, wristband (158 - 209 mm) |
|---|---|---|
| Preloaded Software | FitBit Pay | Alarm, FitBit Pay |
| Max Depth of Water Resistance | 50 m | 50 m |
| Max Operating Temperature | 45 °C | 45 °C |
| Min Operating Temperature | -10 °C | -10 °C |
| Warranty | - | 2-year warranty |
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