In depth comparison and review of Garmin Forerunner 245 and Polar Grit X. 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 | Garmin Forerunner 245 | Polar Grit X |
|---|
| Product Type | Sport watch | Sport watch |
|---|---|---|
| Supported Host Device OS | - | iOS, Android |
| Activity/Sport | Running, swimming, ski, cycling | Multisport |
| Wearing Style | Watch style | Watch style |
| Width | 42.3 mm | - |
| Height | 42.3 mm | - |
| Depth | 12.2 mm | - |
| Weight | 38.5 g | - |
| Body Details | - | With band: 64 g Case only: 44 g |
| Body Material | Fibre-reinforced polymer | Stainless steel |
| Protection | Waterproof | Waterproof |
| Colours | Black | - |
| Clock Display | Yes | Yes |
| FEATURES | Garmin Forerunner 245 | Polar Grit X |
|---|
| Sensors | Accelerometer, electromagnetic compass, optical heart sensor | Digital compass, barometer, altimeter, heart rate |
|---|---|---|
| Tracking Data | Distance, time, speed, heart rate, stress level | Distance, speed, calories burned, activity, heart rate, steps taken, pace, sleep stages, cadence, running power, swimming metrics, running index |
| Goal Setting | Yes | Yes |
| Features | Music remote handling, camera remote control, find phone function, VO2 max, HR zones, Move IQ, Garmin Connect compatible, Find my Device, rejecting a call, Garmin Elevate, TrueUp, Body Battery | Fitness test, VO2 max, inactivity alert, alarm, Serene (breathing exercise), weather information, Nightly Recharge recovery measurement, FitSpark training guide, FuelWise smart fueling assistant, Hill Splitter, Route guidance, Route planning with Komoot, Energy sources |
| Notifications | SMS, social apps, incoming calls | SMS, Email, incoming calls |
| Vibrating Alert | - | Yes |
| Feedback Type | - | Vibration alert, visual interface |
| Navigation (GPS) | GPS/GLONASS/Galileo receiver | GPS/GLONASS/Galileo/QZSS receiver |
| CONNECTIVITY | Garmin Forerunner 245 | Polar Grit X |
|---|
| Wireless Interface | Bluetooth, ANT+ | Bluetooth |
|---|
| DISPLAY | Garmin Forerunner 245 | Polar Grit X |
|---|
| Type | Memory-in-Pixel LCD - colour - transflective | Colour |
|---|---|---|
| Resolution | 240 x 240 pixels | 240 x 240 pixels |
| Screen Size | 1.2" | 1.2" |
| Screen Protection | Corning Gorilla Glass 3 (scratch resistant glass) | Corning Gorilla Glass (scratch resistant glass) |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Garmin Forerunner 245 | Polar Grit X |
|---|
| Type | - | Touch sensitive screen |
|---|
| CASE | Garmin Forerunner 245 | Polar Grit X |
|---|
| Crystal Type | - | Laminated Corning Gorilla Glass |
|---|---|---|
| Case Shape | Round | Round |
| Bezel | - | Stainless steel |
| Case Details | Black | White/silver | Black DLC | Silver |
| BAND | Garmin Forerunner 245 | Polar Grit X |
|---|
| Band Type | Band | Band |
|---|---|---|
| Band Size | - | S |
| Band Width | 20 mm | 22 mm |
| Fits Wrist with Circumference | 127-204 mm | 130-190 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Buckle |
| Band Material | Silicone | Silicone |
| Band Colour | Grey | Merlot | White | Black | Green |
| BATTERY | Garmin Forerunner 245 | Polar Grit X |
|---|
| Technology | - | Lithium polymer |
|---|---|---|
| Capacity | - | 346 mAh |
| Battery Life | - | 7 day(s) |
| Battery Life Details | GPS mode - up to 24 hour(s) Smartwatch mode - up to 7 days |
Watch mode - up to 7 days Training mode - up to 40 hour(s) |
| Rechargeable Battery | - | Yes |
| MISCELLANEOUS | Garmin Forerunner 245 | Polar Grit X |
|---|
| Included Accessories | Charging/data cable | USB charging cable |
|---|---|---|
| Preloaded Software | Calendar, Weather, Timer, Fitness Age | - |
| Compliant Standards | - | MIL-STD 810G |
| Max Depth of Water Resistance | 50 m | 100 m |
| Max Operating Temperature | - | 50 °C |
| Min Operating Temperature | - | -20 °C |
| Warranty | - | 2-year warranty |
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