In depth comparison and review of Samsung Gear S2 and Apple Watch Series 4 (GPS). 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 | Samsung Gear S2 | Apple Watch Series 4 (GPS) |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | Tizen OS | WatchOS 5 |
| Supported Host Device OS | Android 4.4 (KitKat) or later | iOS |
| Wearing Style | Watch style | Watch style |
| Audio Input | Microphone | Microphone |
| Audio Output | - | Speaker |
| Width | 39.9 mm | 34 mm |
| Height | 43.6 mm | 40 mm |
| Depth | 11.4 mm | 10.7 mm |
| Weight | 42 g | 30.1 g |
| Body Material | Stainless steel | Anodised aluminium |
| Protection | Dustproof, waterproof | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Samsung Gear S2 | Apple Watch Series 4 (GPS) |
|---|
| Sensors | Accelerometer, ambient light sensor, barometer, gyro sensor, heart rate | Accelerometer, ambient light sensor, gyro sensor, barometric altimeter, optical heart sensor, electrical heart sensor |
|---|---|---|
| Tracking Data | Distance, time, speed, calories burned, activity, heart rate, steps taken, water vs. caffeine intake | Distance, time, calories burned, activity, heart rate, steps taken, UV index, Air Quality index |
| Goal Setting | - | Yes |
| Features | Call handling, find phone function, voice control | Music remote handling, ECG accurate heart rate, listening to music, Retina Display technology, call alerts, automatic exercise recognition, Fall detection, Emergency SOS |
| Notifications | SMS | Calendar, SMS, Email |
| Vibrating Alert | Yes | Yes |
| Feedback Type | - | Audio alert, vibration alert, visual interface |
| Digital Player | MP3, AAC, M4A, OGG, AAC +, eAAC+ | - |
| Navigation (GPS) | - | GPS/GLONASS/Galileo/QZSS receiver |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | - | Siri |
| CELLULAR | Samsung Gear S2 | Apple Watch Series 4 (GPS) |
|---|
| Messaging Services | LINE, SMS | - |
|---|---|---|
| Supported Mobile Messaging Services | SMS | - |
| CONNECTIVITY | Samsung Gear S2 | Apple Watch Series 4 (GPS) |
|---|
| Wireless Interface | IEEE 802.11b/g/n, NFC, Bluetooth 4.1 | IEEE 802.11b/g/n, Bluetooth 5.0 |
|---|---|---|
| Bluetooth Profiles | Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - |
| DISPLAY | Samsung Gear S2 | Apple Watch Series 4 (GPS) |
|---|
| Type | Super AMOLED - colour | LTPO OLED - colour |
|---|---|---|
| Resolution | 360 x 360 pixels | 324 x 394 pixels |
| Screen Size | 1.2" | - |
| Aspect Ratio | Full circle | - |
| Pixel Density | 302 ppi | - |
| Screen Protection | Corning Gorilla Glass 3 (scratch resistant glass) | Ion-X glass |
| INPUT DEVICE | Samsung Gear S2 | Apple Watch Series 4 (GPS) |
|---|
| Type | Touch sensitive screen | Touch sensitive screen (Force Touch) |
|---|
| CASE | Samsung Gear S2 | Apple Watch Series 4 (GPS) |
|---|
| Case Size | 40 mm | 40 mm |
|---|---|---|
| Case Back | - | All ceramic and sapphire crystal back |
| Case Details | Black | Rose gold | Blue black | Silver aluminium | Space grey aluminium | Gold aluminium |
| Crown Type | - | Digital with haptic feedback |
| BAND | Samsung Gear S2 | Apple Watch Series 4 (GPS) |
|---|
| Band Type | Band | Sport band |
|---|---|---|
| Band Width | 20 mm | - |
| Fits Wrist with Circumference | - | 130-200 mm |
| Clasp Type | - | Pin-and-tuck |
| Band Material | Leather | Fluoroelastomer |
| Band Colour | Black | Ivory | White | Seashell | Black | Pink sand |
| STORAGE | Samsung Gear S2 | Apple Watch Series 4 (GPS) |
|---|
| Storage Capacity | 4 GB | 16 GB |
|---|---|---|
| User Memory | 1.9 GB | - |
| RAM | Samsung Gear S2 | Apple Watch Series 4 (GPS) |
|---|
| RAM Size | 512 MB | - |
|---|
| CPU | Samsung Gear S2 | Apple Watch Series 4 (GPS) |
|---|
| Manufacturer | Samsung | Apple |
|---|---|---|
| CPU Type | Exynos 3250 | S4 |
| Clock Speed | 1 GHz | - |
| Features | - | W3 Apple wireless chip |
| BATTERY | Samsung Gear S2 | Apple Watch Series 4 (GPS) |
|---|
| Technology | Lithium Ion | Lithium Ion |
|---|---|---|
| Capacity | 250 mAh | - |
| Battery Life | 3 day(s) | 18 hours |
| Battery Life Details | Low usage - up to 4 days | - |
| Wireless Charging | Yes | - |
| MISCELLANEOUS | Samsung Gear S2 | Apple Watch Series 4 (GPS) |
|---|
| Included Accessories | Power adapter, wireless charging dock | Power adapter, magnetic charging cable |
|---|---|---|
| Preloaded Software | Contacts, E-mail, Messages, Music Player, Twitter, Samsung Apps, News, Gallery, Weather, S Voice, S Health, Notification Center, Nike+ Running | - |
| Compliant Standards | IP68 | - |
| Max Depth of Water Resistance | - | 50 m |
| Manufacturer Model Number | SM-R732 | - |
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