Detailed comparison and review of Apple Watch Series 4 (GPS + Cellular) and Garmin Approach S20. 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 + Cellular) | Garmin Approach S20 |
|---|
| Product Type | Smart watch | Sport watch |
|---|---|---|
| Operating System | WatchOS 5 | - |
| Supported Host Device OS | iOS | iOS, Android |
| Activity/Sport | - | Golf |
| Wearing Style | Watch style | Watch style |
| Audio Input | Microphone | - |
| Audio Output | Speaker | - |
| Width | 34 mm | - |
| Height | 40 mm | - |
| Depth | 10.7 mm | - |
| Weight | 39.8 g | - |
| Body Details | - | Sensor: 13 mm x 27 mm 9 g |
| Body Material | Stainless steel | - |
| Protection | Waterproof | Waterproof |
| Clock Display | Yes | Yes |
| FEATURES | Apple Watch Series 4 (GPS + Cellular) | Garmin Approach S20 |
|---|
| Sensors | Accelerometer, ambient light sensor, gyro sensor, barometric altimeter, optical heart sensor, electrical heart sensor | Accelerometer |
|---|---|---|
| Tracking Data | Distance, time, calories burned, activity, heart rate, steps taken, UV index, Air Quality index | Distance, time, calories burned, activity, heart rate, steps taken |
| 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 | Sunlight readable, Garmin Connect compatible, TrueUp, Garmin AutoShot, TruSwing |
| Notifications | Calendar, SMS, Email | Applications |
| Vibrating Alert | Yes | - |
| Feedback Type | Audio alert, vibration alert, visual interface | - |
| Navigation (GPS) | GPS/GLONASS/Galileo/QZSS receiver | GPS receiver |
| Payment Technology | Apple Pay | - |
| IoT Intelligent Assistant | Siri | - |
| CELLULAR | Apple Watch Series 4 (GPS + Cellular) | Garmin Approach S20 |
|---|
| 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 Approach S20 |
|---|
| Wireless Interface | IEEE 802.11b/g/n, Bluetooth 5.0 | Bluetooth, ANT+ |
|---|
| DISPLAY | Apple Watch Series 4 (GPS + Cellular) | Garmin Approach S20 |
|---|
| Type | LTPO OLED - colour | Memory-in-Pixel LCD - monochrome |
|---|---|---|
| Resolution | 324 x 394 pixels | 128 x 128 pixels |
| Screen Size | 1.57" | - |
| Dimensions (WxH) | - | 23 mm x 23 mm |
| Screen Protection | Sapphire glass | - |
| INPUT DEVICE | Apple Watch Series 4 (GPS + Cellular) | Garmin Approach S20 |
|---|
| Type | Touch sensitive screen (Force Touch) | Single push-button |
|---|
| CASE | Apple Watch Series 4 (GPS + Cellular) | Garmin Approach S20 |
|---|
| Case Size | 40 mm | - |
|---|---|---|
| Crystal Type | - | Chemically strengthened glass |
| Case Shape | Rectangular | Rounded square |
| 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 Approach S20 |
|---|
| Band Type | Milanese loop | Strap |
|---|---|---|
| Fits Wrist with Circumference | 130-180 mm | - |
| Clasp Type | Magnetic closure | Buckle |
| Band Material | Steel mesh | Silicone |
| Band Colour | White | Black | Pink sand | Space black | Gold | Seashell | Stone | Black |
| STORAGE | Apple Watch Series 4 (GPS + Cellular) | Garmin Approach S20 |
|---|
| Storage Capacity | 16 GB | 64 MB |
|---|
| CPU | Apple Watch Series 4 (GPS + Cellular) | Garmin Approach S20 |
|---|
| Manufacturer | Apple | - |
|---|---|---|
| CPU Type | S4 | - |
| Features | W3 Apple wireless chip | - |
| BATTERY | Apple Watch Series 4 (GPS + Cellular) | Garmin Approach S20 |
|---|
| Technology | Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Life | 18 hours | 56 day(s) |
| Battery Life Details | - | Smartwatch mode - up to 56 days GPS mode - up to 15 hours |
| Rechargeable Battery | Yes | Yes |
| Wireless Charging | Yes | - |
| MISCELLANEOUS | Apple Watch Series 4 (GPS + Cellular) | Garmin Approach S20 |
|---|
| Included Accessories | Power adapter, magnetic charging cable | Charging/data cable |
|---|---|---|
| Preloaded Software | Apple Pay | Calendar, Time, Alarm Clock |
| SAR Value | 0.27 W/kg (head), 0.26 W/kg (limb) | - |
| Max Depth of Water Resistance | 50 m | 50 m |
| Max Operating Temperature | - | 60 °C |
| Min Operating Temperature | - | -20 °C |
| Warranty | - | 1-year warranty |
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