Side by side comparison and review of Apple Watch Series 1 and Garmin Forerunner 45S. 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 | Apple Watch Series 1 | Garmin Forerunner 45S |
|---|
| Product Type | Smart watch | Sport watch |
|---|---|---|
| Operating System | WatchOS 3 | - |
| Supported Host Device OS | iOS 10 or later | iOS, Android |
| Wearing Style | Watch style | Watch style |
| Audio Input | Microphone | - |
| Audio Output | Speaker | - |
| Width | 33.3 mm | 39.5 mm |
| Height | 38.6 mm | 39.5 mm |
| Depth | 10.5 mm | 11.4 mm |
| Weight | 25 g | 32 g |
| Body Material | Aluminium | - |
| Protection | Splashproof | Waterproof |
| Clock Display | Yes | Yes |
| FEATURES | Apple Watch Series 1 | Garmin Forerunner 45S |
|---|
| Sensors | Accelerometer, ambient light sensor, gyro sensor, heart rate | Accelerometer, heart rate |
|---|---|---|
| Tracking Data | Distance, time, calories burned, activity, heart rate, steps taken | Distance, time, speed, calories burned, sleep activity, heart rate, stress level |
| Goal Setting | Yes | Yes |
| Features | Call handling, Retina Display technology | Music remote handling, find phone function, HR zones, Move IQ, Garmin Connect compatible, Find my Device |
| Notifications | Calendar, SMS, Email | Calendar, Email, social apps |
| Vibrating Alert | Yes | Yes |
| CONNECTIVITY | Apple Watch Series 1 | Garmin Forerunner 45S |
|---|
| Wireless Interface | IEEE 802.11b/g/n, Bluetooth 4.0 | Bluetooth, ANT+ |
|---|
| DISPLAY | Apple Watch Series 1 | Garmin Forerunner 45S |
|---|
| Type | OLED - colour | Memory-in-Pixel LCD - colour - transflective |
|---|---|---|
| Resolution | 272 x 340 pixels | 208 x 208 pixels |
| Screen Size | - | 1.04" |
| Screen Protection | Ion-X glass | - |
| INPUT DEVICE | Apple Watch Series 1 | Garmin Forerunner 45S |
|---|
| Type | Touch sensitive screen (Force Touch) | - |
|---|
| CASE | Apple Watch Series 1 | Garmin Forerunner 45S |
|---|
| Case Size | 38 mm | - |
|---|---|---|
| Case Shape | - | Round |
| Case Back | Composite back | - |
| Case Details | Silver aluminium | Rose gold aluminium | Gold aluminium | Space grey aluminium | White | Iris | Black |
| Crown Type | Digital | - |
| BAND | Apple Watch Series 1 | Garmin Forerunner 45S |
|---|
| Band Type | Sport band | Band |
|---|---|---|
| Band Size | S/M/L | S |
| Fits Wrist with Circumference | 130-200 mm | 124-185 mm |
| Changeable | - | Yes |
| Clasp Type | Pin-and-tuck | Buckle |
| Band Material | Fluoroelastomer | Silicone |
| Band Colour | White | Pink sand | Concrete | Black | Midnight blue | White | Iris | Black |
| CPU | Apple Watch Series 1 | Garmin Forerunner 45S |
|---|
| Manufacturer | Apple | - |
|---|---|---|
| CPU Type | S1P | - |
| BATTERY | Apple Watch Series 1 | Garmin Forerunner 45S |
|---|
| Technology | Lithium Ion | - |
|---|---|---|
| Battery Life | 18 hours | - |
| Battery Life Details | - | GPS mode - up to 13 hour(s) Smartwatch mode - up to 7 days |
| MISCELLANEOUS | Apple Watch Series 1 | Garmin Forerunner 45S |
|---|
| Included Accessories | Power adapter, magnetic charging cable | Charging/data cable |
|---|---|---|
| Preloaded Software | Siri | - |
| SAR Value | 0.041 W/kg (head), 0.018 W/kg (limb) | - |
| Max Depth of Water Resistance | - | 50 m |
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