Side by side comparison and review of Polar Grit X Pro and Fitbit Versa 4. 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 Versa 4 |
|---|
| Product Type | Sport watch | Smart watch |
|---|---|---|
| Supported Host Device OS | iOS, Android | Android 10 or later, iOS 13.4 or later |
| Activity/Sport | Multisport | - |
| Wearing Style | Watch style | Watch style |
| Audio Input | - | Microphone |
| Audio Output | - | Speaker |
| Width | - | 40.5 mm |
| Height | - | 40.5 mm |
| Depth | - | 11.2 mm |
| Body Details | With leather band: 53 g With FKM band: 73 g |
- |
| Body Material | Aerospace titanium | - |
| Protection | Water-resistant | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Polar Grit X Pro | Fitbit Versa 4 |
|---|
| Sensors | Accelerometer, digital compass, barometer, optical heart sensor | Ambient light sensor, altimeter, SpO2 sensor, 3-axis accelerometer, optical heart sensor, vibration motor |
|---|---|---|
| Tracking Data | Distance, speed, calories burned, sleep activity, heart rate, steps taken | Distance, calories burned, activity, sleep activity, heart rate, steps taken, pace, stress level, menstrual cycle, Resting Heart Rate (RHR), breathing rate, sleep quality score |
| 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, VO2 max, Heart Rate Variability (HRV) monitoring, HR zones, automatic exercise recognition, smart Wake-Up, Active Zone Minutes, guided breathing session, Always-on display, Sleep Score, Sleep Profile, Stress Management Score, Daily Readiness Score |
| Notifications | - | SMS, incoming calls, applications, high and low heart rate |
| Vibrating Alert | Yes | Yes |
| Feedback Type | Audio alert, vibration alert, visual interface | Audio alert, 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 |
| CONNECTIVITY | Polar Grit X Pro | Fitbit Versa 4 |
|---|
| Wireless Interface | Bluetooth | NFC, Bluetooth 5.0 |
|---|
| DISPLAY | Polar Grit X Pro | Fitbit Versa 4 |
|---|
| 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 Versa 4 |
|---|
| Type | Touch sensitive screen | Touch sensitive screen |
|---|
| CASE | Polar Grit X Pro | Fitbit Versa 4 |
|---|
| Case Size | - | 40 mm |
|---|---|---|
| Case Shape | Round | Square |
| Bezel | Titanium | - |
| Case Back | Glass fibre reinforced polymer | - |
| Case Details | Titan | Black DLC | Copper rose | Graphite | Platinum |
| BAND | Polar Grit X Pro | Fitbit Versa 4 |
|---|
| Band Type | Band | Band |
|---|---|---|
| Band Size | M/L | S/L |
| Band Width | 22 mm | - |
| Fits Wrist with Circumference | 145-215 mm | Up to 209 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Pin-and-tuck |
| Band Material | Perforated leather | - |
| Band Colour | Grey | Black | Pink sand | Black | Waterfall blue |
| BATTERY | Polar Grit X Pro | Fitbit Versa 4 |
|---|
| 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) |
Typical usage - up to 6 days GPS mode - up to 12 hour(s) |
| Rechargeable Battery | Yes | Yes |
| Recharge Time | - | 2 hour(s) |
| MISCELLANEOUS | Polar Grit X Pro | Fitbit Versa 4 |
|---|
| Included Accessories | USB charging cable, FKM wristband | Charging cable, 6-month Fitbit Premium membership, wristband (129 - 175 mm), wristband (158 - 209 mm) |
|---|---|---|
| Preloaded Software | - | Google Maps, FitBit Pay, Google Wallet |
| 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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