In depth comparison and review of Samsung Gear S2 and Samsung Galaxy Watch 3. 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 | Samsung Galaxy Watch 3 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | Tizen OS | Tizen OS 5.5 |
| Supported Host Device OS | Android 4.4 (KitKat) or later | iOS 9 or later, Android 5.0 (Lollipop) or later |
| Wearing Style | Watch style | Watch style |
| Audio Input | Microphone | Microphone |
| Width | 39.9 mm | 41 mm |
| Height | 43.6 mm | 42.5 mm |
| Depth | 11.4 mm | 11.3 mm |
| Weight | 42 g | 48.2 g |
| Body Material | Stainless steel | Stainless steel |
| Protection | Dustproof, waterproof | Waterproof |
| Clock Display | Yes | Yes |
| FEATURES | Samsung Gear S2 | Samsung Galaxy Watch 3 |
|---|
| Sensors | Accelerometer, ambient light sensor, barometer, gyro sensor, heart rate | Accelerometer, ambient light sensor, barometer, gyro sensor, optical heart sensor, electrical heart sensor |
|---|---|---|
| Tracking Data | Distance, time, speed, calories burned, activity, heart rate, steps taken, water vs. caffeine intake | Distance, calories burned, activity, sleep activity, heart rate, steps taken, blood pressure |
| Goal Setting | - | Yes |
| Features | Call handling, find phone function, voice control | Music remote handling, ECG accurate heart rate, find phone function, VO2 max, automatic exercise recognition, Fall detection, Wireless PowerShare support |
| Notifications | SMS | SMS, social apps, incoming calls |
| Vibrating Alert | Yes | Yes |
| Feedback Type | - | Vibration alert, visual interface |
| Digital Player | MP3, AAC, M4A, OGG, AAC +, eAAC+ | MP3, WMA, WAV, AAC, AMR, MP4, OGG, 3GA, AWB, OGA |
| Navigation (GPS) | - | GPS/GLONASS/Galileo/BeiDou receiver |
| CELLULAR | Samsung Gear S2 | Samsung Galaxy Watch 3 |
|---|
| Messaging Services | LINE, SMS | - |
|---|---|---|
| Supported Mobile Messaging Services | SMS | - |
| CONNECTIVITY | Samsung Gear S2 | Samsung Galaxy Watch 3 |
|---|
| Wireless Interface | IEEE 802.11b/g/n, NFC, Bluetooth 4.1 | IEEE 802.11b/g/n, NFC, Bluetooth 5.0 |
|---|---|---|
| Bluetooth Profiles | 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 Gear S2 | Samsung Galaxy Watch 3 |
|---|
| Type | Super AMOLED - colour | Super AMOLED - colour |
|---|---|---|
| Resolution | 360 x 360 pixels | 360 x 360 pixels |
| Screen Size | 1.2" | 1.2" |
| Aspect Ratio | Full circle | Full circle |
| Pixel Density | 302 ppi | - |
| Screen Protection | Corning Gorilla Glass 3 (scratch resistant glass) | Corning Gorilla Glass DX (scratch resistant glass) |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Samsung Gear S2 | Samsung Galaxy Watch 3 |
|---|
| Type | Touch sensitive screen | Touch sensitive screen, rotating bezel |
|---|
| CASE | Samsung Gear S2 | Samsung Galaxy Watch 3 |
|---|
| Case Size | 40 mm | 41 mm |
|---|---|---|
| Case Shape | - | Round |
| Case Details | Black | Rose gold | Blue black | Mystic bronze | Mystic silver |
| BAND | Samsung Gear S2 | Samsung Galaxy Watch 3 |
|---|
| Band Type | Band | Band |
|---|---|---|
| Band Width | 20 mm | 20 mm |
| Changeable | - | Yes |
| Clasp Type | - | Buckle |
| Band Material | Leather | Leather |
| Band Colour | Black | Ivory | - |
| STORAGE | Samsung Gear S2 | Samsung Galaxy Watch 3 |
|---|
| Storage Capacity | 4 GB | 8 GB |
|---|---|---|
| User Memory | 1.9 GB | 4.3 GB |
| RAM | Samsung Gear S2 | Samsung Galaxy Watch 3 |
|---|
| RAM Size | 512 MB | 1 GB |
|---|
| CPU | Samsung Gear S2 | Samsung Galaxy Watch 3 |
|---|
| Manufacturer | Samsung | Samsung |
|---|---|---|
| CPU Type | Exynos 3250 | Exynos 9110 |
| Clock Speed | 1 GHz | 1.15 GHz |
| BATTERY | Samsung Gear S2 | Samsung Galaxy Watch 3 |
|---|
| Technology | Lithium Ion | - |
|---|---|---|
| Capacity | 250 mAh | 247 mAh |
| Battery Life | 3 day(s) | 120 hours |
| Battery Life Details | Low usage - up to 4 days | Typical usage - up to 43 hour(s) Low usage - up to 120 hour(s) |
| Rechargeable Battery | - | Yes |
| Wireless Charging | Yes | Yes |
| Wireless Charging Standards | - | WPC |
| MISCELLANEOUS | Samsung Gear S2 | Samsung Galaxy Watch 3 |
|---|
| Included Accessories | Power adapter, wireless charging dock | Wireless charging dock |
|---|---|---|
| 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 | MIL-STD 810G, IP68 |
| SAR Value | - | 0.209 W/kg (head), 0.294 W/kg (limb) |
| Max Depth of Water Resistance | - | 50 m |
| Manufacturer Model Number | SM-R732 | SM-R850 |
| Warranty | - | 2-year warranty |
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