In depth comparison and review of Garmin Forerunner 45S and Samsung Galaxy Watch Active 2. 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 45S | Samsung Galaxy Watch Active 2 |
|---|
| Product Type | Sport watch | Smart watch |
|---|---|---|
| Operating System | - | Tizen OS |
| Supported Host Device OS | iOS, Android | iOS 9 or later, Android 5.0 (Lollipop) or later |
| Wearing Style | Watch style | Watch style |
| Audio Input | - | Microphone |
| Width | 39.5 mm | 40 mm |
| Height | 39.5 mm | 40 mm |
| Depth | 11.4 mm | 10.9 mm |
| Weight | 32 g | 26 g |
| Body Material | - | Aluminium |
| Protection | Waterproof | Waterproof |
| Clock Display | Yes | Yes |
| FEATURES | Garmin Forerunner 45S | Samsung Galaxy Watch Active 2 |
|---|
| Sensors | Accelerometer, heart rate | Accelerometer, ambient light sensor, barometer, gyro sensor, optical heart sensor, electrical heart sensor |
|---|---|---|
| Tracking Data | Distance, time, speed, calories burned, sleep activity, heart rate, stress level | Distance, calories burned, activity, sleep activity, heart rate, steps taken, stress level |
| Goal Setting | Yes | Yes |
| Features | Music remote handling, find phone function, HR zones, Move IQ, Garmin Connect compatible, Find my Device | Music remote handling, camera remote control, automatic exercise recognition, Wireless PowerShare support |
| Notifications | Calendar, Email, social apps | SMS, social apps, incoming calls |
| Vibrating Alert | Yes | Yes |
| Feedback Type | - | Vibration alert, visual interface, rotating bezel |
| Navigation (GPS) | - | GPS/GLONASS/Galileo/BeiDou receiver |
| CONNECTIVITY | Garmin Forerunner 45S | Samsung Galaxy Watch Active 2 |
|---|
| Wireless Interface | Bluetooth, ANT+ | IEEE 802.11b/g/n, NFC, Bluetooth 5.0 |
|---|---|---|
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) |
| DISPLAY | Garmin Forerunner 45S | Samsung Galaxy Watch Active 2 |
|---|
| Type | Memory-in-Pixel LCD - colour - transflective | Super AMOLED - colour |
|---|---|---|
| Resolution | 208 x 208 pixels | 360 x 360 pixels |
| Screen Size | 1.04" | 1.2" |
| Screen Protection | - | Corning Gorilla Glass DX+ (scratch resistant glass) |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Garmin Forerunner 45S | Samsung Galaxy Watch Active 2 |
|---|
| Type | - | Touch sensitive screen |
|---|
| CASE | Garmin Forerunner 45S | Samsung Galaxy Watch Active 2 |
|---|
| Case Size | - | 40 mm |
|---|---|---|
| Case Shape | Round | Round |
| Case Details | White | Iris | Black | Pink gold aluminium | Aqua black aluminium | Cloud silver aluminium |
| BAND | Garmin Forerunner 45S | Samsung Galaxy Watch Active 2 |
|---|
| Band Type | Band | Band |
|---|---|---|
| Band Size | S | - |
| Band Width | - | 20 mm |
| Fits Wrist with Circumference | 124-185 mm | - |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Buckle |
| Band Material | Silicone | Fluoroelastomer |
| Band Colour | White | Iris | Black | Mod grey | Pink gold | Aqua black | Cloud silver |
| STORAGE | Garmin Forerunner 45S | Samsung Galaxy Watch Active 2 |
|---|
| Storage Capacity | - | 4 GB |
|---|---|---|
| User Memory | - | 1.4 GB |
| RAM | Garmin Forerunner 45S | Samsung Galaxy Watch Active 2 |
|---|
| RAM Size | - | 768 MB |
|---|
| CPU | Garmin Forerunner 45S | Samsung Galaxy Watch Active 2 |
|---|
| Manufacturer | - | Samsung |
|---|---|---|
| CPU Type | - | Exynos 9110 |
| Clock Speed | - | 1.15 GHz |
| BATTERY | Garmin Forerunner 45S | Samsung Galaxy Watch Active 2 |
|---|
| Capacity | - | 247 mAh |
|---|---|---|
| Battery Life Details | GPS mode - up to 13 hour(s) Smartwatch mode - up to 7 days |
Typical usage - up to 43 hour(s) Low usage - up to 95 hour(s) |
| Rechargeable Battery | - | Yes |
| Wireless Charging | - | Yes |
| Wireless Charging Standards | - | WPC |
| MISCELLANEOUS | Garmin Forerunner 45S | Samsung Galaxy Watch Active 2 |
|---|
| Included Accessories | Charging/data cable | Wireless charging dock |
|---|---|---|
| Preloaded Software | - | Smart Caddi |
| Compliant Standards | - | MIL-STD 810G, IP68 |
| SAR Value | - | 0.041 W/kg (head), 0.101 W/kg (limb) |
| Max Depth of Water Resistance | 50 m | 50 m |
| Manufacturer Model Number | - | SM-R830 |
| Warranty | - | 1-year warranty |
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