Detailed comparison and review of Apple Watch Series 4 (GPS) and Garmin Forerunner 45S. With our comprehensive overview, you can simply compare size, design, functions, battery capacities, but also other key features of both smartwatches and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the watch that best fits your needs and expectations.
| GENERAL | Apple Watch Series 4 (GPS) | Garmin Forerunner 45S |
|---|
| Product Type | Smart watch | Sport watch |
|---|---|---|
| Operating System | WatchOS 5 | - |
| Supported Host Device OS | iOS | iOS, Android |
| Wearing Style | Watch style | Watch style |
| Audio Input | Microphone | - |
| Audio Output | Speaker | - |
| Width | 34 mm | 39.5 mm |
| Height | 40 mm | 39.5 mm |
| Depth | 10.7 mm | 11.4 mm |
| Weight | 30.1 g | 32 g |
| Body Material | Anodised aluminium | - |
| Protection | Water-resistant | Waterproof |
| Clock Display | Yes | Yes |
| FEATURES | Apple Watch Series 4 (GPS) | Garmin Forerunner 45S |
|---|
| Sensors | Accelerometer, ambient light sensor, gyro sensor, barometric altimeter, optical heart sensor, electrical heart sensor | Accelerometer, heart rate |
|---|---|---|
| Tracking Data | Distance, time, calories burned, activity, heart rate, steps taken, UV index, Air Quality index | Distance, time, speed, calories burned, sleep activity, heart rate, stress level |
| Goal Setting | Yes | Yes |
| Features | Music remote handling, ECG accurate heart rate, listening to music, Retina Display technology, call alerts, automatic exercise recognition, Fall detection, Emergency SOS | 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 |
| Feedback Type | Audio alert, vibration alert, visual interface | - |
| Navigation (GPS) | GPS/GLONASS/Galileo/QZSS receiver | - |
| Internet of Things (IoT) Compatible | Yes | - |
| IoT Intelligent Assistant | Siri | - |
| CONNECTIVITY | Apple Watch Series 4 (GPS) | Garmin Forerunner 45S |
|---|
| Wireless Interface | IEEE 802.11b/g/n, Bluetooth 5.0 | Bluetooth, ANT+ |
|---|
| DISPLAY | Apple Watch Series 4 (GPS) | Garmin Forerunner 45S |
|---|
| Type | LTPO OLED - colour | Memory-in-Pixel LCD - colour - transflective |
|---|---|---|
| Resolution | 324 x 394 pixels | 208 x 208 pixels |
| Screen Size | - | 1.04" |
| Screen Protection | Ion-X glass | - |
| INPUT DEVICE | Apple Watch Series 4 (GPS) | Garmin Forerunner 45S |
|---|
| Type | Touch sensitive screen (Force Touch) | - |
|---|
| CASE | Apple Watch Series 4 (GPS) | Garmin Forerunner 45S |
|---|
| Case Size | 40 mm | - |
|---|---|---|
| Case Shape | - | Round |
| Case Back | All ceramic and sapphire crystal back | - |
| Case Details | Silver aluminium | Space grey aluminium | Gold aluminium | White | Iris | Black |
| Crown Type | Digital with haptic feedback | - |
| BAND | Apple Watch Series 4 (GPS) | Garmin Forerunner 45S |
|---|
| Band Type | Sport band | Band |
|---|---|---|
| Band Size | - | 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 | Seashell | Black | Pink sand | White | Iris | Black |
| STORAGE | Apple Watch Series 4 (GPS) | Garmin Forerunner 45S |
|---|
| Storage Capacity | 16 GB | - |
|---|
| CPU | Apple Watch Series 4 (GPS) | Garmin Forerunner 45S |
|---|
| Manufacturer | Apple | - |
|---|---|---|
| CPU Type | S4 | - |
| Features | W3 Apple wireless chip | - |
| BATTERY | Apple Watch Series 4 (GPS) | 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 4 (GPS) | Garmin Forerunner 45S |
|---|
| Included Accessories | Power adapter, magnetic charging cable | Charging/data cable |
|---|---|---|
| Max Depth of Water Resistance | 50 m | 50 m |
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