Side by side comparison and review of Polar Grit X Pro 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 | Polar Grit X Pro | Fitbit Sense 2 |
|---|
| Product Type | Sport watch | Smart watch |
|---|---|---|
| Supported Host Device OS | iOS, Android | Android 8.0 (Oreo) or later, iOS 14 or later |
| Activity/Sport | Multisport | Multisport |
| Wearing Style | Watch style | Watch style |
| Audio Input | - | Microphone |
| Audio Output | - | Speaker |
| Width | - | 40.5 mm |
| Height | - | 40.5 mm |
| Depth | - | 12.3 mm |
| Body Details | With leather band: 53 g With FKM band: 73 g |
- |
| Body Material | Aerospace titanium | Aluminium |
| Protection | Water-resistant | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Polar Grit X Pro | Fitbit Sense 2 |
|---|
| Sensors | Accelerometer, digital compass, barometer, optical heart 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, speed, calories burned, sleep activity, heart rate, steps taken | 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 | SMS notification, Email notification, mobile notifications, social apps notification, inactivity alert, incoming calls notification, sunrise/sunset times, Serene (breathing exercise), music playback control, weather information, Nightly Recharge recovery measurement, FitSpark training guide, FuelWise smart fueling assistant, Hill Splitter, Route guidance, Route planning with Komoot | 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 | - | SMS, applications, high and low heart rate, calls, irregular rhythm |
| Vibrating Alert | Yes | Yes |
| Feedback Type | Audio alert, vibration alert, visual interface | Vibration alert, visual interface |
| Navigation (GPS) | GPS/A-GPS/Galileo/GLONASS/QZSS receiver | GPS/GLONASS receiver |
| Payment Technology | - | FitBit Pay |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | - | Alexa built-in |
| IoT Voice Controlled | - | Direct |
| CONNECTIVITY | Polar Grit X Pro | Fitbit Sense 2 |
|---|
| Wireless Interface | Bluetooth | NFC, Bluetooth 5.0 |
|---|
| DISPLAY | Polar Grit X Pro | Fitbit Sense 2 |
|---|
| Type | Memory-in-Pixel LCD - colour - transflective | Colour |
|---|---|---|
| Resolution | 240 x 240 pixels | - |
| Screen Size | 1.2" | - |
| Screen Protection | Sapphire glass | - |
| Always On Display (AOD) | Yes | Yes |
| INPUT DEVICE | Polar Grit X Pro | Fitbit Sense 2 |
|---|
| Type | Touch sensitive screen | Touch sensitive screen, push button |
|---|
| CASE | Polar Grit X Pro | Fitbit Sense 2 |
|---|
| Case Shape | Round | Square |
|---|---|---|
| Bezel | Titanium | - |
| Case Back | Glass fibre reinforced polymer | Aluminium |
| Case Details | Titan | Black DLC | Platinum aluminum |
| BAND | Polar Grit X Pro | Fitbit Sense 2 |
|---|
| Band Type | Band | Band |
|---|---|---|
| Band Size | M/L | S |
| Band Width | 22 mm | - |
| Fits Wrist with Circumference | 145-215 mm | 129-175 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Pin-and-tuck |
| Band Material | Perforated leather | - |
| Band Colour | Grey | Black | Lunar white |
| BATTERY | Polar Grit X Pro | Fitbit Sense 2 |
|---|
| Technology | Lithium polymer | Lithium polymer |
|---|---|---|
| Capacity | 346 mAh | - |
| Battery Life | 7 day(s) | 6 day(s) |
| Battery Life Details | Training mode (GPS and wrist-based heart rate) - up to 40 hour(s) Watch mode - up to 7 days Training mode (with power save options) |
GPS mode - up to 5 hour(s) |
| Rechargeable Battery | Yes | - |
| Recharge Time | - | 2 hours |
| MISCELLANEOUS | Polar Grit X Pro | Fitbit Sense 2 |
|---|
| Included Accessories | USB charging cable, FKM wristband | Charging cable, 6-month Fitbit Premium membership, wristband (158 - 209 mm) |
|---|---|---|
| Preloaded Software | - | Alarm, FitBit Pay |
| Max Depth of Water Resistance | 100 m | 50 m |
| Max Operating Temperature | 50 °C | 45 °C |
| Min Operating Temperature | -20 °C | -10 °C |
| Warranty | - | 2-year warranty |
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