In depth comparison and review of Apple Watch Series 2 and Samsung Galaxy Watch4. 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 2 | Samsung Galaxy Watch4 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | WatchOS 3 | Wear OS by Samsung |
| Supported Host Device OS | iOS 10 or later | Android 6.0 (Marshmallow) or later |
| Wearing Style | Watch style | Watch style |
| Audio Input | Microphone | - |
| Audio Output | Speaker | - |
| Width | 33.3 mm | 39.3 mm |
| Height | 38.6 mm | 40.4 mm |
| Depth | 11.4 mm | 9.7 mm |
| Weight | 28.2 g | 25.9 g |
| Body Material | Aluminium | Aluminium |
| Protection | Waterproof | Waterproof |
| Colours | Space black | Silver | - |
| Clock Display | Yes | Yes |
| FEATURES | Apple Watch Series 2 | Samsung Galaxy Watch4 |
|---|
| Sensors | Accelerometer, ambient light sensor, gyro sensor, heart rate | Accelerometer, ambient light sensor, barometer, gyro sensor, bioimpedance sensor, electromagnetic compass, optical heart sensor, electrical heart sensor |
|---|---|---|
| Tracking Data | Distance, time, calories burned, activity, heart rate, steps taken | Distance, calories burned, activity, sleep activity, heart rate, steps taken, blood oxygen saturation, body composition, ECG, REM phases |
| Goal Setting | Yes | Yes |
| Features | Call handling, Retina Display technology | Find phone function, VO2 max, automatic exercise recognition, personalised coaching |
| Notifications | Calendar, SMS, Email | Calendar, SMS, social apps, incoming calls |
| Vibrating Alert | Yes | Yes |
| Feedback Type | - | Vibration alert, visual interface |
| Digital Player | - | MP3, WAV, AAC, AMR, M4A, OGG, 3GA, AWB, OGA |
| Navigation (GPS) | GPS/GLONASS receiver | GPS/GLONASS/Galileo/BeiDou receiver |
| CELLULAR | Apple Watch Series 2 | Samsung Galaxy Watch4 |
|---|
| Technology | - | WCDMA (UMTS) |
|---|---|---|
| Mobile Broadband Generation | - | 4G |
| SIM Card Type | - | Electronic SIM card (e-SIM) |
| CONNECTIVITY | Apple Watch Series 2 | Samsung Galaxy Watch4 |
|---|
| Wireless Interface | IEEE 802.11b/g/n, Bluetooth 4.0 | NFC, IEEE 802.11a/b/g/n, Bluetooth 5.0 |
|---|---|---|
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) |
| DISPLAY | Apple Watch Series 2 | Samsung Galaxy Watch4 |
|---|
| Type | OLED - colour | Super AMOLED - colour |
|---|---|---|
| Resolution | 272 x 340 pixels | 396 x 396 pixels |
| Screen Size | - | 1.19" |
| Aspect Ratio | - | Full circle |
| Pixel Density | - | 330 ppi |
| Colour Depth | - | 24-bit (16.7 million colours) |
| Screen Protection | Ion-X glass | Corning Gorilla Glass DX+ (scratch resistant glass) |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Apple Watch Series 2 | Samsung Galaxy Watch4 |
|---|
| Type | Touch sensitive screen (Force Touch) | Touch sensitive screen, push buttons |
|---|
| CASE | Apple Watch Series 2 | Samsung Galaxy Watch4 |
|---|
| Case Size | 38 mm | 40 mm |
|---|---|---|
| Case Shape | - | Round |
| Case Back | Ceramic back | - |
| Case Details | Silver aluminium | Stainless steel | Rose gold aluminium | Gold aluminium | Space grey aluminium | Space black stainless steel | Pink gold | Black | Silver |
| Crown Type | Digital | - |
| BAND | Apple Watch Series 2 | Samsung Galaxy Watch4 |
|---|
| Band Type | Sport band | Sport band |
|---|---|---|
| Band Size | S/M/L | - |
| Fits Wrist with Circumference | 130-200 mm | - |
| Changeable | - | Yes |
| Clasp Type | Pin-and-tuck | Buckle |
| Band Material | Fluoroelastomer | - |
| Band Colour | White | Black | Pink sand | Concrete | Silver | Midnight blue | Pearl | Light pink/midnight blue | Yellow/light grey | Saddle brown | Space black | Pink | Black | White |
| STORAGE | Apple Watch Series 2 | Samsung Galaxy Watch4 |
|---|
| Storage Capacity | - | 16 GB |
|---|---|---|
| User Memory | - | 7.6 GB |
| RAM | Apple Watch Series 2 | Samsung Galaxy Watch4 |
|---|
| RAM Size | - | 1.5 GB |
|---|
| CPU | Apple Watch Series 2 | Samsung Galaxy Watch4 |
|---|
| Manufacturer | Apple | Samsung |
|---|---|---|
| CPU Type | S2 | Exynos W920 |
| Clock Speed | - | 1.18 GHz |
| BATTERY | Apple Watch Series 2 | Samsung Galaxy Watch4 |
|---|
| Technology | Lithium Ion | - |
|---|---|---|
| Capacity | - | 247 mAh |
| Battery Life | 18 hours | 40 hours |
| Rechargeable Battery | - | Yes |
| Wireless Charging | - | Yes |
| Wireless Charging Standards | - | WPC, Wireless PowerShare |
| MISCELLANEOUS | Apple Watch Series 2 | Samsung Galaxy Watch4 |
|---|
| Included Accessories | Power adapter, magnetic charging cable | Wireless charging dock |
|---|---|---|
| Preloaded Software | Siri | - |
| Compliant Standards | - | MIL-STD 810G, IP68 |
| SAR Value | 0.056 W/kg (head), 0.049 W/kg (limb) | 0.729 W/kg (head), 2.594 W/kg (limb) |
| Max Depth of Water Resistance | 50 m | 50 m |
| Manufacturer Model Number | - | SM-R865F |
| Warranty | - | 2-year warranty |
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