In depth comparison and review of Pebble 2 + Heart Rate 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 | Pebble 2 + Heart Rate | Samsung Galaxy Watch4 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | Pebble OS | Wear OS by Samsung |
| Supported Host Device OS | Android 4.3 (Jelly Bean) or later, iOS 8.0 or later | Android 6.0 (Marshmallow) or later |
| Wearing Style | Watch style | Watch style |
| Audio Input | Microphone | - |
| Width | - | 39.3 mm |
| Height | - | 40.4 mm |
| Depth | 9.8 mm | 9.7 mm |
| Weight | - | 25.9 g |
| Body Material | Polycarbonate | Aluminium |
| Protection | Waterproof | Waterproof |
| Colours | White | Charcoal/flame | Charcoal/lime | White aqua | - |
| Clock Display | Yes | Yes |
| FEATURES | Pebble 2 + Heart Rate | Samsung Galaxy Watch4 |
|---|
| Sensors | Ambient light sensor, heart rate, 3-axis accelerometer | Accelerometer, ambient light sensor, barometer, gyro sensor, bioimpedance sensor, electromagnetic compass, optical heart sensor, electrical heart sensor |
|---|---|---|
| Tracking Data | Time, calories burned, activity, sleep 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 |
| Features | Music remote handling, call alerts, app alerts | Find phone function, VO2 max, automatic exercise recognition, personalised coaching |
| Notifications | SMS | 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/Galileo/BeiDou receiver |
| CELLULAR | Pebble 2 + Heart Rate | Samsung Galaxy Watch4 |
|---|
| Technology | - | WCDMA (UMTS) |
|---|---|---|
| Mobile Broadband Generation | - | 4G |
| SIM Card Type | - | Electronic SIM card (e-SIM) |
| CONNECTIVITY | Pebble 2 + Heart Rate | Samsung Galaxy Watch4 |
|---|
| Wireless Interface | 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 | Pebble 2 + Heart Rate | Samsung Galaxy Watch4 |
|---|
| Type | E Ink - monochrome | Super AMOLED - colour |
|---|---|---|
| Resolution | - | 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 | Scratch-resistant glass | Corning Gorilla Glass DX+ (scratch resistant glass) |
| Always On Display (AOD) | Yes | Yes |
| INPUT DEVICE | Pebble 2 + Heart Rate | Samsung Galaxy Watch4 |
|---|
| Type | - | Touch sensitive screen, push buttons |
|---|
| CASE | Pebble 2 + Heart Rate | Samsung Galaxy Watch4 |
|---|
| Case Size | - | 40 mm |
|---|---|---|
| Case Shape | - | Round |
| Case Details | Black | Black/flame | Pink gold | Black | Silver |
| BAND | Pebble 2 + Heart Rate | Samsung Galaxy Watch4 |
|---|
| Band Type | Band | Sport band |
|---|---|---|
| Band Width | 22 mm | - |
| Changeable | - | Yes |
| Clasp Type | - | Buckle |
| Band Material | Silicone | - |
| Band Colour | Black | White | Pink | Black | White |
| STORAGE | Pebble 2 + Heart Rate | Samsung Galaxy Watch4 |
|---|
| Storage Capacity | - | 16 GB |
|---|---|---|
| User Memory | - | 7.6 GB |
| RAM | Pebble 2 + Heart Rate | Samsung Galaxy Watch4 |
|---|
| RAM Size | - | 1.5 GB |
|---|
| CPU | Pebble 2 + Heart Rate | Samsung Galaxy Watch4 |
|---|
| Manufacturer | - | Samsung |
|---|---|---|
| CPU Type | - | Exynos W920 |
| Clock Speed | - | 1.18 GHz |
| BATTERY | Pebble 2 + Heart Rate | Samsung Galaxy Watch4 |
|---|
| Capacity | - | 247 mAh |
|---|---|---|
| Battery Life | 7 day(s) | 40 hours |
| Rechargeable Battery | - | Yes |
| Wireless Charging | - | Yes |
| Wireless Charging Standards | - | WPC, Wireless PowerShare |
| MISCELLANEOUS | Pebble 2 + Heart Rate | Samsung Galaxy Watch4 |
|---|
| Included Accessories | Magnetic charging cable | Wireless charging dock |
|---|---|---|
| Preloaded Software | Silent alarm | - |
| Compliant Standards | - | MIL-STD 810G, IP68 |
| SAR Value | - | 0.729 W/kg (head), 2.594 W/kg (limb) |
| Max Depth of Water Resistance | 30 m | 50 m |
| Manufacturer Model Number | - | SM-R865F |
| Warranty | - | 2-year warranty |
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