In depth comparison and review of Samsung Galaxy Watch4 and Apple Watch Series 9 (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 Galaxy Watch4 | Apple Watch Series 9 (GPS) |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | Wear OS by Samsung | WatchOS 10 |
| Supported Host Device OS | Android 6.0 (Marshmallow) or later | iOS 17 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: 31.9 g |
| Body Material | Aluminium | 100% recycled aluminium |
| Protection | Waterproof | Water-resistant, dust-resistant, crack-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Samsung Galaxy Watch4 | Apple Watch Series 9 (GPS) |
|---|
| Sensors | Accelerometer, ambient light sensor, barometer, gyro sensor, bioimpedance sensor, electromagnetic compass, optical heart sensor, electrical heart sensor | Digital compass, electrical heart sensor, blood oxygen sensor, optical heart sensor (3d gen), always-on altimeter, temperature sensor, high-g accelerometer, gyroscope with high dynamic range |
|---|---|---|
| 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, blood oxygen saturation, sleep stages, menstrual cycle, ECG, ovulation phase, mental wellbeing |
| Goal Setting | Yes | Yes |
| Features | Find phone function, VO2 max, automatic exercise recognition, personalised coaching | Fall detection, Emergency SOS, brightness: 2000 nits, Family Setup support, International Emergency Calling, Crash Detection, noise monitoring, Compass Waypoint, fast charge, precision finding for iPhone, elevation view |
| Notifications | Calendar, SMS, social apps, incoming calls | Calendar, SMS, Email, applications, 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/BeiDou/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 Series 9 (GPS) |
|---|
| Technology | WCDMA (UMTS) | - |
|---|---|---|
| Mobile Broadband Generation | 4G | - |
| SIM Card Type | Electronic SIM card (e-SIM) | - |
| CONNECTIVITY | Samsung Galaxy Watch4 | Apple Watch Series 9 (GPS) |
|---|
| Wireless Interface | NFC, IEEE 802.11a/b/g/n, Bluetooth 5.0 | IEEE 802.11b/g/n, Ultra-Wideband (UWB), Bluetooth 5.3 |
|---|---|---|
| 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 Series 9 (GPS) |
|---|
| Type | Super AMOLED - colour | Retina LTPO OLED - colour |
|---|---|---|
| Resolution | 396 x 396 pixels | 352 x 430 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 | Yes |
| INPUT DEVICE | Samsung Galaxy Watch4 | Apple Watch Series 9 (GPS) |
|---|
| Type | Touch sensitive screen, push buttons | Touch sensitive screen, side button, double tap gesture |
|---|
| CASE | Samsung Galaxy Watch4 | Apple Watch Series 9 (GPS) |
|---|
| Case Size | 40 mm | 41 mm |
|---|---|---|
| Case Shape | Round | Rectangular |
| Case Back | - | Sapphire crystal and ceramic back |
| Case Details | Pink gold | Black | Silver | Starlight aluminium | Red aluminium | Midnight aluminium | Pink aluminum | Silver aluminium |
| Crown Type | - | Digital with haptic feedback |
| BAND | Samsung Galaxy Watch4 | Apple Watch Series 9 (GPS) |
|---|
| Band Type | Sport band | Sport band |
|---|---|---|
| Band Size | - | M/L |
| Fits Wrist with Circumference | - | 150-200 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Pin-and-tuck |
| Band Material | - | Fluoroelastomer |
| Band Colour | Pink | Black | White | Starlight | Red | Midnight | Light pink | Storm blue | Winter blue |
| STORAGE | Samsung Galaxy Watch4 | Apple Watch Series 9 (GPS) |
|---|
| Storage Capacity | 16 GB | 64 GB |
|---|---|---|
| User Memory | 7.6 GB | - |
| RAM | Samsung Galaxy Watch4 | Apple Watch Series 9 (GPS) |
|---|
| RAM Size | 1.5 GB | - |
|---|
| CPU | Samsung Galaxy Watch4 | Apple Watch Series 9 (GPS) |
|---|
| Manufacturer | Samsung | Apple |
|---|---|---|
| CPU Type | Exynos W920 | S9 SiP |
| Clock Speed | 1.18 GHz | - |
| Features | - | W3 Apple wireless chip, second-generation Ultra Wideband chip, 4-core Neural Engine |
| BATTERY | Samsung Galaxy Watch4 | Apple Watch Series 9 (GPS) |
|---|
| Technology | - | Lithium Ion |
|---|---|---|
| Capacity | 247 mAh | - |
| Battery Life | 40 hours | 18 hours |
| Battery Life Details | - | Typical usage - up to 18 hour(s) Low power mode - up to 36 hour(s) |
| Rechargeable Battery | Yes | Yes |
| Wireless Charging | Yes | Yes |
| Wireless Charging Standards | WPC, Wireless PowerShare | - |
| MISCELLANEOUS | Samsung Galaxy Watch4 | Apple Watch Series 9 (GPS) |
|---|
| Included Accessories | Wireless charging dock | Magnetic fast charger to USB-C cable (1 m) |
|---|---|---|
| Preloaded Software | - | GymKit |
| Compliant Standards | MIL-STD 810G, IP68 | IP6X, BFR-free, PVC-free, Beryllium-free, Mercury-free, Arsenic-free |
| SAR Value | 0.729 W/kg (head), 2.594 W/kg (limb) | - |
| Specific Absorption Rate (SAR) | - | 0.12 W/kg (head) 0.29 W/kg (limb) |
| Carbon Footprint | - | 0 kg carbon emissions |
| Max Depth of Water Resistance | 50 m | 50 m |
| Manufacturer Model Number | SM-R865F | A2978 |
| Warranty | 2-year warranty | - |
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