In depth comparison and review of Samsung Galaxy Watch Active 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 | Samsung Galaxy Watch Active 2 | Samsung Galaxy Watch4 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | Tizen OS | Wear OS by Samsung |
| Supported Host Device OS | iOS 9 or later, Android 5.0 (Lollipop) or later | Android 6.0 (Marshmallow) or later |
| Wearing Style | Watch style | Watch style |
| Audio Input | Microphone | - |
| Width | 40 mm | 39.3 mm |
| Height | 40 mm | 40.4 mm |
| Depth | 10.9 mm | 9.7 mm |
| Weight | 26 g | 25.9 g |
| Body Material | Aluminium | Aluminium |
| Protection | Waterproof | Waterproof |
| Clock Display | Yes | Yes |
| FEATURES | Samsung Galaxy Watch Active 2 | Samsung Galaxy Watch4 |
|---|
| Sensors | Accelerometer, ambient light sensor, barometer, gyro sensor, optical heart sensor, electrical heart sensor | Accelerometer, ambient light sensor, barometer, gyro sensor, bioimpedance sensor, electromagnetic compass, optical heart sensor, electrical heart sensor |
|---|---|---|
| Tracking Data | Distance, calories burned, activity, sleep activity, heart rate, steps taken, stress level | Distance, calories burned, activity, sleep activity, heart rate, steps taken, blood oxygen saturation, body composition, ECG, REM phases |
| Goal Setting | Yes | Yes |
| Features | Music remote handling, camera remote control, automatic exercise recognition, Wireless PowerShare support | Find phone function, VO2 max, automatic exercise recognition, personalised coaching |
| Notifications | SMS, social apps, incoming calls | Calendar, SMS, social apps, incoming calls |
| Vibrating Alert | Yes | Yes |
| Feedback Type | Vibration alert, visual interface, rotating bezel | 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 receiver |
| CELLULAR | Samsung Galaxy Watch Active 2 | Samsung Galaxy Watch4 |
|---|
| Technology | - | WCDMA (UMTS) |
|---|---|---|
| Mobile Broadband Generation | - | 4G |
| SIM Card Type | - | Electronic SIM card (e-SIM) |
| CONNECTIVITY | Samsung Galaxy Watch Active 2 | Samsung Galaxy Watch4 |
|---|
| Wireless Interface | IEEE 802.11b/g/n, NFC, Bluetooth 5.0 | 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) | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) |
| DISPLAY | Samsung Galaxy Watch Active 2 | Samsung Galaxy Watch4 |
|---|
| Type | Super AMOLED - colour | Super AMOLED - colour |
|---|---|---|
| Resolution | 360 x 360 pixels | 396 x 396 pixels |
| Screen Size | 1.2" | 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) | Corning Gorilla Glass DX+ (scratch resistant glass) |
| Always On Display (AOD) | Yes | Yes |
| INPUT DEVICE | Samsung Galaxy Watch Active 2 | Samsung Galaxy Watch4 |
|---|
| Type | Touch sensitive screen | Touch sensitive screen, push buttons |
|---|
| CASE | Samsung Galaxy Watch Active 2 | Samsung Galaxy Watch4 |
|---|
| Case Size | 40 mm | 40 mm |
|---|---|---|
| Case Shape | Round | Round |
| Case Details | Pink gold aluminium | Aqua black aluminium | Cloud silver aluminium | Pink gold | Black | Silver |
| BAND | Samsung Galaxy Watch Active 2 | Samsung Galaxy Watch4 |
|---|
| Band Type | Band | Sport band |
|---|---|---|
| Band Width | 20 mm | - |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Buckle |
| Band Material | Fluoroelastomer | - |
| Band Colour | Mod grey | Pink gold | Aqua black | Cloud silver | Pink | Black | White |
| STORAGE | Samsung Galaxy Watch Active 2 | Samsung Galaxy Watch4 |
|---|
| Storage Capacity | 4 GB | 16 GB |
|---|---|---|
| User Memory | 1.4 GB | 7.6 GB |
| RAM | Samsung Galaxy Watch Active 2 | Samsung Galaxy Watch4 |
|---|
| RAM Size | 768 MB | 1.5 GB |
|---|
| CPU | Samsung Galaxy Watch Active 2 | Samsung Galaxy Watch4 |
|---|
| Manufacturer | Samsung | Samsung |
|---|---|---|
| CPU Type | Exynos 9110 | Exynos W920 |
| Clock Speed | 1.15 GHz | 1.18 GHz |
| BATTERY | Samsung Galaxy Watch Active 2 | Samsung Galaxy Watch4 |
|---|
| Capacity | 247 mAh | 247 mAh |
|---|---|---|
| Battery Life | - | 40 hours |
| Battery Life Details | Typical usage - up to 43 hour(s) Low usage - up to 95 hour(s) |
- |
| Rechargeable Battery | Yes | Yes |
| Wireless Charging | Yes | Yes |
| Wireless Charging Standards | WPC | WPC, Wireless PowerShare |
| MISCELLANEOUS | Samsung Galaxy Watch Active 2 | Samsung Galaxy Watch4 |
|---|
| Included Accessories | Wireless charging dock | Wireless charging dock |
|---|---|---|
| Preloaded Software | Smart Caddi | - |
| Compliant Standards | MIL-STD 810G, IP68 | MIL-STD 810G, IP68 |
| SAR Value | 0.041 W/kg (head), 0.101 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-R830 | SM-R865F |
| Warranty | 1-year warranty | 2-year warranty |
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