In depth comparison and review of Garmin vívoactive 4 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 vívoactive 4 | Polar Grit X |
|---|
| Product Type | Sport watch | Sport watch |
|---|---|---|
| Supported Host Device OS | iOS, Android | iOS, Android |
| Activity/Sport | - | Multisport |
| Wearing Style | Watch style | Watch style |
| Width | 45.1 mm | - |
| Height | 45.1 mm | - |
| Depth | 12.8 mm | - |
| Weight | 50.5 g | - |
| Body Details | - | With band: 64 g Case only: 44 g |
| Body Material | Stainless steel, fibre-reinforced polymer | Stainless steel |
| Protection | Water-resistant | Waterproof |
| Clock Display | Yes | Yes |
| FEATURES | Garmin vívoactive 4 | Polar Grit X |
|---|
| Sensors | Accelerometer, thermometre, altimeter, gyro sensor, heart rate, electromagnetic compass, Pulse Ox sensor | Digital compass, barometer, altimeter, heart rate |
|---|---|---|
| Tracking Data | Distance, time, calories burned, sleep activity, heart rate, steps taken, floors climbed, blood oxygen saturation, stress level, menstrual cycle, breathing rate, hydration | 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, find phone function, idle alert, HR zones, Move IQ, Garmin Connect compatible, Find my Device, store & play music, 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, 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 |
| Payment Technology | Garmin Pay | - |
| CONNECTIVITY | Garmin vívoactive 4 | Polar Grit X |
|---|
| Wireless Interface | Bluetooth, Wi-Fi, NFC, ANT+ | Bluetooth |
|---|
| DISPLAY | Garmin vívoactive 4 | Polar Grit X |
|---|
| Type | Memory-in-Pixel LCD - colour | Colour |
|---|---|---|
| Resolution | 260 x 260 pixels | 240 x 240 pixels |
| Screen Size | 1.3" | 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 vívoactive 4 | Polar Grit X |
|---|
| Type | Touch sensitive screen, touch buttons | Touch sensitive screen |
|---|
| CASE | Garmin vívoactive 4 | Polar Grit X |
|---|
| Case Size | 45 mm | - |
|---|---|---|
| Crystal Type | - | Laminated Corning Gorilla Glass |
| Case Shape | Round | Round |
| Bezel | Slate stainless steeel | Stainless steel |
| Case Back | Polymer | - |
| Case Details | Black | Shadow grey | White/silver | Black DLC | Silver |
| BAND | Garmin vívoactive 4 | Polar Grit X |
|---|
| Band Type | Band | Band |
|---|---|---|
| Band Size | - | S |
| Band Width | 22 mm | 22 mm |
| Fits Wrist with Circumference | 135-200 mm | 130-190 mm |
| Changeable | - | Yes |
| Clasp Type | Buckle | Buckle |
| Band Material | Silicone | Silicone |
| Band Colour | Black | Shadow grey | White | Black | Green |
| BATTERY | Garmin vívoactive 4 | Polar Grit X |
|---|
| Technology | Lithium polymer | Lithium polymer |
|---|---|---|
| Capacity | - | 346 mAh |
| Battery Life | 8 day(s) | 7 day(s) |
| Battery Life Details | Smartwatch mode - up to 8 days GPS mode - up to 18 hour(s) Smartwatch with music mode - up to 7.5 hour(s) GPS with Music mode - up to 6 hour(s) |
Watch mode - up to 7 days Training mode - up to 40 hour(s) |
| Rechargeable Battery | Yes | Yes |
| MISCELLANEOUS | Garmin vívoactive 4 | Polar Grit X |
|---|
| Included Accessories | Charging/data cable | USB charging cable |
|---|---|---|
| Preloaded Software | Garmin Pay, Garmion Connect IQ | - |
| Compliant Standards | - | MIL-STD 810G |
| Max Depth of Water Resistance | 50 m | 100 m |
| Max Operating Temperature | 60 °C | 50 °C |
| Min Operating Temperature | -20 °C | -20 °C |
| Warranty | - | 2-year warranty |
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