Side by side comparison and review of Apple Watch Series 4 (GPS + Cellular) and Garmin D2 Delta PX. 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 4 (GPS + Cellular) | Garmin D2 Delta PX |
|---|
| 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 | 51 mm |
| Height | 40 mm | 51 mm |
| Depth | 10.7 mm | 17.5 mm |
| Weight | 39.8 g | 87 g |
| Body Material | Stainless steel | Fibre-reinforced polymer |
| Protection | Waterproof | Waterproof |
| Clock Display | Yes | Yes |
| FEATURES | Apple Watch Series 4 (GPS + Cellular) | Garmin D2 Delta PX |
|---|
| Sensors | Accelerometer, ambient light sensor, gyro sensor, barometric altimeter, optical heart sensor, electrical heart sensor | Thermometre, barometric altimeter, 3-axis accelerometer, 3-axis compass, Pulse Ox sensor |
|---|---|---|
| Tracking Data | Distance, time, calories burned, activity, heart rate, steps taken, UV index, Air Quality index | Distance, time, speed, calories burned, activity, sleep activity, heart rate, steps taken, floors climbed, 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 | Music remote handling, HRmax, camera remote control, find phone function, HR zones, Garmin Connect compatible, Find my Device, store & play music, Garmin Elevate, TrueUp, Garmin AutoShot |
| Notifications | Calendar, SMS, Email | - |
| Vibrating Alert | Yes | Yes |
| Feedback Type | Audio alert, vibration alert, visual interface | - |
| Navigation (GPS) | GPS/GLONASS/Galileo/QZSS receiver | GPS/GLONASS/Galileo receiver |
| Payment Technology | Apple Pay | Garmin Pay |
| IoT Intelligent Assistant | Siri | - |
| CELLULAR | Apple Watch Series 4 (GPS + Cellular) | Garmin D2 Delta PX |
|---|
| 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 D2 Delta PX |
|---|
| Wireless Interface | IEEE 802.11b/g/n, Bluetooth 5.0 | Bluetooth, Wi-Fi, ANT+ |
|---|
| DISPLAY | Apple Watch Series 4 (GPS + Cellular) | Garmin D2 Delta PX |
|---|
| 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 | Domed sapphire crystal |
| INPUT DEVICE | Apple Watch Series 4 (GPS + Cellular) | Garmin D2 Delta PX |
|---|
| Type | Touch sensitive screen (Force Touch) | Touch buttons |
|---|
| CASE | Apple Watch Series 4 (GPS + Cellular) | Garmin D2 Delta PX |
|---|
| Case Size | 40 mm | 51 mm |
|---|---|---|
| Case Shape | Rectangular | Round |
| Bezel | - | Titanium |
| Case Back | Sapphire crystal and ceramic back | Metal |
| 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 D2 Delta PX |
|---|
| Band Type | Milanese loop | Link bracelet |
|---|---|---|
| Band Width | - | 26 mm |
| Fits Wrist with Circumference | 130-180 mm | - |
| Changeable | - | Yes |
| Clasp Type | Magnetic closure | - |
| Band Material | Steel mesh | DLC Titanium |
| Band Colour | White | Black | Pink sand | Space black | Gold | Seashell | Stone | - |
| STORAGE | Apple Watch Series 4 (GPS + Cellular) | Garmin D2 Delta PX |
|---|
| Storage Capacity | 16 GB | 16 GB |
|---|
| CPU | Apple Watch Series 4 (GPS + Cellular) | Garmin D2 Delta PX |
|---|
| Manufacturer | Apple | - |
|---|---|---|
| CPU Type | S4 | - |
| Features | W3 Apple wireless chip | - |
| BATTERY | Apple Watch Series 4 (GPS + Cellular) | Garmin D2 Delta PX |
|---|
| Technology | Lithium Ion | - |
|---|---|---|
| Battery Life | 18 hours | 20 day(s) |
| Battery Life Details | - | Smartwatch mode - up to 20 days GPS mode - up to 32 hour(s) GPS + SPO2 mode - up to 18 hour(s) GPS with Music mode - up to 13 hour(s) UltraTrac mode - up to 70 hour(s) |
| Rechargeable Battery | Yes | Yes |
| Wireless Charging | Yes | - |
| MISCELLANEOUS | Apple Watch Series 4 (GPS + Cellular) | Garmin D2 Delta PX |
|---|
| Included Accessories | Power adapter, magnetic charging cable | Charging/data cable, silicone wrist strap (black) |
|---|---|---|
| Preloaded Software | Apple Pay | Garmin Pay, Garmin Pilot |
| SAR Value | 0.27 W/kg (head), 0.26 W/kg (limb) | - |
| Max Depth of Water Resistance | 50 m | 100 m |
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