Side by side comparison and review of Apple Watch Series 1 and Garmin Forerunner 45. 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 45 |
|---|
| Product Type | Smart watch | Smart 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 | 42 mm |
| Height | 38.6 mm | 42 mm |
| Depth | 10.5 mm | 11.4 mm |
| Weight | 25 g | 36 g |
| Body Material | Aluminium | - |
| Protection | Splashproof | Waterproof |
| Clock Display | Yes | Yes |
| FEATURES | Apple Watch Series 1 | Garmin Forerunner 45 |
|---|
| 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 45 |
|---|
| Wireless Interface | IEEE 802.11b/g/n, Bluetooth 4.0 | Bluetooth, ANT+ |
|---|
| DISPLAY | Apple Watch Series 1 | Garmin Forerunner 45 |
|---|
| 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 45 |
|---|
| Type | Touch sensitive screen (Force Touch) | - |
|---|
| CASE | Apple Watch Series 1 | Garmin Forerunner 45 |
|---|
| Case Size | 38 mm | - |
|---|---|---|
| Case Shape | - | Round |
| Case Back | Composite back | - |
| Case Details | Silver aluminium | Rose gold aluminium | Gold aluminium | Space grey aluminium | Black |
| Crown Type | Digital | - |
| BAND | Apple Watch Series 1 | Garmin Forerunner 45 |
|---|
| Band Type | Sport band | Band |
|---|---|---|
| Band Size | S/M/L | L |
| Fits Wrist with Circumference | 130-200 mm | 129-197 mm |
| Changeable | - | Yes |
| Clasp Type | Pin-and-tuck | Buckle |
| Band Material | Fluoroelastomer | Silicone |
| Band Colour | White | Pink sand | Concrete | Black | Midnight blue | Black | Lava red |
| CPU | Apple Watch Series 1 | Garmin Forerunner 45 |
|---|
| Manufacturer | Apple | - |
|---|---|---|
| CPU Type | S1P | - |
| BATTERY | Apple Watch Series 1 | Garmin Forerunner 45 |
|---|
| 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 45 |
|---|
| 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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