Side by side comparison and review of Garmin Forerunner 45S and Polar Grit X Pro. 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 | Garmin Forerunner 45S | Polar Grit X Pro |
|---|
| Product Type | Sport watch | Sport watch |
|---|---|---|
| Supported Host Device OS | iOS, Android | iOS, Android |
| Activity/Sport | - | Multisport |
| Wearing Style | Watch style | Watch style |
| Width | 39.5 mm | - |
| Height | 39.5 mm | - |
| Depth | 11.4 mm | - |
| Weight | 32 g | - |
| Body Details | - | With leather band: 53 g With FKM band: 73 g |
| Body Material | - | Aerospace titanium |
| Protection | Waterproof | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Garmin Forerunner 45S | Polar Grit X Pro |
|---|
| Sensors | Accelerometer, heart rate | Accelerometer, digital compass, barometer, optical heart sensor |
|---|---|---|
| Tracking Data | Distance, time, speed, calories burned, sleep activity, heart rate, stress level | Distance, speed, calories burned, sleep activity, heart rate, steps taken |
| Goal Setting | Yes | Yes |
| Features | Music remote handling, find phone function, HR zones, Move IQ, Garmin Connect compatible, Find my Device | 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 |
| Notifications | Calendar, Email, social apps | - |
| Vibrating Alert | Yes | Yes |
| Feedback Type | - | Audio alert, vibration alert, visual interface |
| Navigation (GPS) | - | GPS/A-GPS/Galileo/GLONASS/QZSS receiver |
| CONNECTIVITY | Garmin Forerunner 45S | Polar Grit X Pro |
|---|
| Wireless Interface | Bluetooth, ANT+ | Bluetooth |
|---|
| DISPLAY | Garmin Forerunner 45S | Polar Grit X Pro |
|---|
| Type | Memory-in-Pixel LCD - colour - transflective | Memory-in-Pixel LCD - colour - transflective |
|---|---|---|
| Resolution | 208 x 208 pixels | 240 x 240 pixels |
| Screen Size | 1.04" | 1.2" |
| Screen Protection | - | Sapphire glass |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Garmin Forerunner 45S | Polar Grit X Pro |
|---|
| Type | - | Touch sensitive screen |
|---|
| CASE | Garmin Forerunner 45S | Polar Grit X Pro |
|---|
| Case Shape | Round | Round |
|---|---|---|
| Bezel | - | Titanium |
| Case Back | - | Glass fibre reinforced polymer |
| Case Details | White | Iris | Black | Titan | Black DLC |
| BAND | Garmin Forerunner 45S | Polar Grit X Pro |
|---|
| Band Type | Band | Band |
|---|---|---|
| Band Size | S | M/L |
| Band Width | - | 22 mm |
| Fits Wrist with Circumference | 124-185 mm | 145-215 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Buckle |
| Band Material | Silicone | Perforated leather |
| Band Colour | White | Iris | Black | Grey | Black |
| BATTERY | Garmin Forerunner 45S | Polar Grit X Pro |
|---|
| Technology | - | Lithium polymer |
|---|---|---|
| Capacity | - | 346 mAh |
| Battery Life | - | 7 day(s) |
| Battery Life Details | GPS mode - up to 13 hour(s) Smartwatch mode - up to 7 days |
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) |
| Rechargeable Battery | - | Yes |
| MISCELLANEOUS | Garmin Forerunner 45S | Polar Grit X Pro |
|---|
| Included Accessories | Charging/data cable | USB charging cable, FKM wristband |
|---|---|---|
| Max Depth of Water Resistance | 50 m | 100 m |
| Max Operating Temperature | - | 50 °C |
| Min Operating Temperature | - | -20 °C |
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