In depth comparison and review of Samsung Galaxy Watch4 and Apple Watch SE (GPS + Cellular) 2nd generation. 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 Galaxy Watch4 | Apple Watch SE (GPS + Cellular) 2nd generation |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | Wear OS by Samsung | WatchOS |
| Supported Host Device OS | Android 6.0 (Marshmallow) or later | iOS 16 or later |
| Wearing Style | Watch style | Watch style |
| Audio Input | - | Microphone |
| Audio Output | - | Speaker |
| Width | 39.3 mm | - |
| Height | 40.4 mm | - |
| Depth | 9.7 mm | - |
| Weight | 25.9 g | - |
| Body Details | - | Case only: 27.8 g |
| Body Material | Aluminium | Aluminium |
| Protection | Waterproof | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Samsung Galaxy Watch4 | Apple Watch SE (GPS + Cellular) 2nd generation |
|---|
| Sensors | Accelerometer, ambient light sensor, barometer, gyro sensor, bioimpedance sensor, electromagnetic compass, optical heart sensor, electrical heart sensor | Accelerometer, ambient light sensor, digital compass, barometer, gyroscope, always-on altimeter, optical heart sensor (2d gen) |
|---|---|---|
| Tracking Data | Distance, calories burned, activity, sleep activity, heart rate, steps taken, blood oxygen saturation, body composition, ECG, REM phases | Distance, time, calories burned, activity, sleep activity, heart rate, sleep stages, menstrual cycle |
| Goal Setting | Yes | Yes |
| Features | Find phone function, VO2 max, automatic exercise recognition, personalised coaching | Call handling, music remote handling, camera remote control, Fall detection, Emergency SOS, Family Setup support, International Emergency Calling, Crash Detection, noise monitoring, Compass Waypoint, brightness: 1000 nits |
| Notifications | Calendar, SMS, social apps, incoming calls | Calendar, SMS, Email, high and low heart rate, irregular rhythm, cardio fitness |
| Vibrating Alert | Yes | Yes |
| Feedback Type | Vibration alert, visual interface | Audio alert, vibration alert, visual interface |
| Digital Player | MP3, WAV, AAC, AMR, M4A, OGG, 3GA, AWB, OGA | - |
| Navigation (GPS) | GPS/GLONASS/Galileo/BeiDou receiver | GPS/GLONASS/Galileo/QZSS receiver |
| Payment Technology | - | Apple Pay |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | - | Siri |
| IoT Voice Controlled | - | Direct |
| CELLULAR | Samsung Galaxy Watch4 | Apple Watch SE (GPS + Cellular) 2nd generation |
|---|
| Technology | WCDMA (UMTS) | WCDMA (UMTS) |
|---|---|---|
| Mobile Broadband Generation | 4G | 4G |
| SIM Card Type | Electronic SIM card (e-SIM) | Electronic SIM card (e-SIM) |
| CONNECTIVITY | Samsung Galaxy Watch4 | Apple Watch SE (GPS + Cellular) 2nd generation |
|---|
| 3M UMTS Band | - | Band 1, Band 2, Band 5, Band 8, Band 10 |
|---|---|---|
| 4G LTE Band | - | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 39, Band 40, Band 41, Band 66 |
| Wireless Interface | NFC, IEEE 802.11a/b/g/n, Bluetooth 5.0 | IEEE 802.11b/g/n, LTE, Bluetooth 5.0 |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - |
| DISPLAY | Samsung Galaxy Watch4 | Apple Watch SE (GPS + Cellular) 2nd generation |
|---|
| Type | Super AMOLED - colour | Retina LTPO OLED - colour |
|---|---|---|
| Resolution | 396 x 396 pixels | 324 x 394 pixels |
| Screen Size | 1.19" | - |
| Aspect Ratio | Full circle | - |
| Pixel Density | 330 ppi | - |
| Colour Depth | 24-bit (16.7 million colours) | - |
| Screen Protection | Corning Gorilla Glass DX+ (scratch resistant glass) | Ion-X glass |
| Always On Display (AOD) | Yes | - |
| INPUT DEVICE | Samsung Galaxy Watch4 | Apple Watch SE (GPS + Cellular) 2nd generation |
|---|
| Type | Touch sensitive screen, push buttons | Touch sensitive screen |
|---|
| CASE | Samsung Galaxy Watch4 | Apple Watch SE (GPS + Cellular) 2nd generation |
|---|
| Case Size | 40 mm | 40 mm |
|---|---|---|
| Case Shape | Round | Rectangular |
| Case Back | - | Sapphire crystal and ceramic back |
| Case Details | Pink gold | Black | Silver | Starlight aluminium | Midnight aluminium | Silver aluminium |
| Crown Type | - | Digital with haptic feedback |
| BAND | Samsung Galaxy Watch4 | Apple Watch SE (GPS + Cellular) 2nd generation |
|---|
| Band Type | Sport band | Sport band |
|---|---|---|
| Band Size | - | Regular |
| Fits Wrist with Circumference | - | 130-200 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Pin-and-tuck |
| Band Material | - | Fluoroelastomer |
| Band Colour | Pink | Black | White | Starlight | Midnight | White |
| STORAGE | Samsung Galaxy Watch4 | Apple Watch SE (GPS + Cellular) 2nd generation |
|---|
| Storage Capacity | 16 GB | 32 GB |
|---|---|---|
| User Memory | 7.6 GB | - |
| RAM | Samsung Galaxy Watch4 | Apple Watch SE (GPS + Cellular) 2nd generation |
|---|
| RAM Size | 1.5 GB | - |
|---|
| CPU | Samsung Galaxy Watch4 | Apple Watch SE (GPS + Cellular) 2nd generation |
|---|
| Manufacturer | Samsung | Apple |
|---|---|---|
| CPU Type | Exynos W920 | S8 SiP |
| Clock Speed | 1.18 GHz | - |
| Features | - | W3 Apple wireless chip |
| BATTERY | Samsung Galaxy Watch4 | Apple Watch SE (GPS + Cellular) 2nd generation |
|---|
| Technology | - | Lithium Ion |
|---|---|---|
| Capacity | 247 mAh | - |
| Battery Life | 40 hours | 18 hours |
| Rechargeable Battery | Yes | Yes |
| Wireless Charging | Yes | Yes |
| Wireless Charging Standards | WPC, Wireless PowerShare | - |
| MISCELLANEOUS | Samsung Galaxy Watch4 | Apple Watch SE (GPS + Cellular) 2nd generation |
|---|
| Included Accessories | Wireless charging dock | Magnetic charger to USB-C cable (1 m) |
|---|---|---|
| Preloaded Software | - | Apple Pay, GymKit |
| Compliant Standards | MIL-STD 810G, IP68 | - |
| SAR Value | 0.729 W/kg (head), 2.594 W/kg (limb) | 0.13 W/kg (head), 1.35 W/kg (limb) |
| Max Depth of Water Resistance | 50 m | 50 m |
| Manufacturer Model Number | SM-R865F | A2725 |
| Warranty | 2-year warranty | 1-year warranty |
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