In depth comparison and review of Apple Watch Series 4 (GPS + Cellular) and Garmin Forerunner 245 Music. 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 | Apple Watch Series 4 (GPS + Cellular) | Garmin Forerunner 245 Music |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | WatchOS 5 | - |
| Supported Host Device OS | iOS | - |
| Activity/Sport | - | Running, swimming, ski, cycling |
| Wearing Style | Watch style | Watch style |
| Audio Input | Microphone | - |
| Audio Output | Speaker | - |
| Width | 34 mm | 42.3 mm |
| Height | 40 mm | 42.3 mm |
| Depth | 10.7 mm | 12.2 mm |
| Weight | 39.8 g | 38.5 g |
| Body Material | Stainless steel | Fibre-reinforced polymer |
| Protection | Waterproof | Waterproof |
| Clock Display | Yes | Yes |
| FEATURES | Apple Watch Series 4 (GPS + Cellular) | Garmin Forerunner 245 Music |
|---|
| Sensors | Accelerometer, ambient light sensor, gyro sensor, barometric altimeter, optical heart sensor, electrical heart sensor | Accelerometer, heart rate, electromagnetic compass |
|---|---|---|
| Tracking Data | Distance, time, calories burned, activity, heart rate, steps taken, UV index, Air Quality index | Distance, time, speed, calories burned, heart rate (with optional heart rate sensor), sleep activity, steps taken, blood oxygen saturation, 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 | Camera remote control, find phone function, inactivity alert, Garmin Connect compatible, Find my Device, store & play music |
| Notifications | Calendar, SMS, Email | - |
| Vibrating Alert | Yes | - |
| Feedback Type | Audio alert, vibration alert, visual interface | - |
| Navigation (GPS) | GPS/GLONASS/Galileo/QZSS receiver | GPS/GLONASS/Galileo receiver |
| Payment Technology | Apple Pay | - |
| IoT Intelligent Assistant | Siri | - |
| CELLULAR | Apple Watch Series 4 (GPS + Cellular) | Garmin Forerunner 245 Music |
|---|
| Technology | WCDMA (UMTS) / GSM | - |
|---|---|---|
| Mobile Broadband Generation | 4G | - |
| SIM Card Type | Electronic SIM card (e-SIM) | - |
| Messaging Services | SMS | - |
| Supported Mobile Messaging Services | SMS | - |
| CONNECTIVITY | Apple Watch Series 4 (GPS + Cellular) | Garmin Forerunner 245 Music |
|---|
| Wireless Interface | IEEE 802.11b/g/n, Bluetooth 5.0 | Bluetooth, Wi-Fi, ANT+ |
|---|
| DISPLAY | Apple Watch Series 4 (GPS + Cellular) | Garmin Forerunner 245 Music |
|---|
| Type | LTPO OLED - colour | Memory-in-Pixel LCD - colour - transflective |
|---|---|---|
| Resolution | 324 x 394 pixels | 240 x 240 pixels |
| Screen Size | 1.57" | 1.2" |
| Screen Protection | Sapphire glass | Corning Gorilla Glass 3 (scratch resistant glass) |
| INPUT DEVICE | Apple Watch Series 4 (GPS + Cellular) | Garmin Forerunner 245 Music |
|---|
| Type | Touch sensitive screen (Force Touch) | - |
|---|
| CASE | Apple Watch Series 4 (GPS + Cellular) | Garmin Forerunner 245 Music |
|---|
| Case Size | 40 mm | - |
|---|---|---|
| Case Shape | Rectangular | Round |
| Case Back | Sapphire crystal and ceramic back | - |
| Case Details | Stainless steel | Space grey aluminium | Space black stainless steel | Silver aluminium | Gold aluminium | Gold stainless steel | - |
| Crown Type | Digital with haptic feedback | - |
| BAND | Apple Watch Series 4 (GPS + Cellular) | Garmin Forerunner 245 Music |
|---|
| Band Type | Milanese loop | Band |
|---|---|---|
| Fits Wrist with Circumference | 130-180 mm | 127-204 mm |
| Changeable | - | Yes |
| Clasp Type | Magnetic closure | Buckle |
| Band Material | Steel mesh | Silicone |
| Band Colour | White | Black | Pink sand | Space black | Gold | Seashell | Stone | Aqua |
| STORAGE | Apple Watch Series 4 (GPS + Cellular) | Garmin Forerunner 245 Music |
|---|
| Storage Capacity | 16 GB | - |
|---|
| CPU | Apple Watch Series 4 (GPS + Cellular) | Garmin Forerunner 245 Music |
|---|
| Manufacturer | Apple | - |
|---|---|---|
| CPU Type | S4 | - |
| Features | W3 Apple wireless chip | - |
| BATTERY | Apple Watch Series 4 (GPS + Cellular) | Garmin Forerunner 245 Music |
|---|
| Technology | Lithium Ion | - |
|---|---|---|
| Battery Life | 18 hours | - |
| Battery Life Details | - | Smartwatch mode - up to 7 days GPS mode - up to 24 hour(s) GPS with Music mode - up to 6 hour(s) |
| Rechargeable Battery | Yes | - |
| Wireless Charging | Yes | - |
| MISCELLANEOUS | Apple Watch Series 4 (GPS + Cellular) | Garmin Forerunner 245 Music |
|---|
| Included Accessories | Power adapter, magnetic charging cable | Charging/data cable |
|---|---|---|
| Preloaded Software | Apple Pay | Calendar, Weather, Timer, Fitness Age |
| SAR Value | 0.27 W/kg (head), 0.26 W/kg (limb) | - |
| Max Depth of Water Resistance | 50 m | 50 m |
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