In depth comparison and review of Samsung Gear S2 and Fitbit Sense. 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 | Fitbit Sense |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | Tizen OS | - |
| Supported Host Device OS | Android 4.4 (KitKat) or later | Android 7.0 (Nougat) or later, iOS 12.2 or later |
| Wearing Style | Watch style | Watch style |
| Audio Input | Microphone | Microphone |
| Audio Output | - | Speaker |
| Width | 39.9 mm | 40.38 mm |
| Height | 43.6 mm | 40.38 mm |
| Depth | 11.4 mm | 12.45 mm |
| Weight | 42 g | - |
| Body Material | Stainless steel | Stainless steel, aluminium |
| Protection | Dustproof, waterproof | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Samsung Gear S2 | Fitbit Sense |
|---|
| Sensors | Accelerometer, ambient light sensor, barometer, gyro sensor, heart rate | Ambient light sensor, altimeter, gyro sensor, 3-axis accelerometer, temperature, optical heart sensor, electrodermal activity (EDA) 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, skin temperature, sleep stages, stress level, menstrual cycle, ECG |
| Goal Setting | - | Yes |
| Features | Call handling, find phone function, voice control | Music remote handling, HR zones, breathing training function |
| Notifications | SMS | Missed calls, calendar, SMS, social apps |
| Vibrating Alert | Yes | Yes |
| Feedback Type | - | Vibration alert, visual interface |
| Digital Player | MP3, AAC, M4A, OGG, AAC +, eAAC+ | - |
| Navigation (GPS) | - | GPS/GLONASS receiver |
| Payment Technology | - | FitBit Pay |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | - | Google Assistant, Alexa |
| CELLULAR | Samsung Gear S2 | Fitbit Sense |
|---|
| Messaging Services | LINE, SMS | - |
|---|---|---|
| Supported Mobile Messaging Services | SMS | - |
| CONNECTIVITY | Samsung Gear S2 | Fitbit Sense |
|---|
| 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) | - |
| DISPLAY | Samsung Gear S2 | Fitbit Sense |
|---|
| Type | Super AMOLED - colour | AMOLED - colour |
|---|---|---|
| Resolution | 360 x 360 pixels | - |
| Screen Size | 1.2" | - |
| Aspect Ratio | Full circle | - |
| Pixel Density | 302 ppi | - |
| Screen Protection | Corning Gorilla Glass 3 (scratch resistant glass) | Corning Gorilla Glass 3 (scratch resistant glass) |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Samsung Gear S2 | Fitbit Sense |
|---|
| Type | Touch sensitive screen | Touch sensitive screen |
|---|
| CASE | Samsung Gear S2 | Fitbit Sense |
|---|
| Case Size | 40 mm | - |
|---|---|---|
| Case Shape | - | Square |
| Case Details | Black | Rose gold | Blue black | Silver stainless steel | Graphite stainless steel | Soft gold stainless steel |
| BAND | Samsung Gear S2 | Fitbit Sense |
|---|
| Band Type | Band | Band |
|---|---|---|
| Band Size | - | S/L |
| Band Width | 20 mm | - |
| Fits Wrist with Circumference | - | 140-220 mm |
| Changeable | - | Yes |
| Clasp Type | - | Buckle |
| Band Material | Leather | Silicone |
| Band Colour | Black | Ivory | Sage grey | Carbon | Lunar white |
| STORAGE | Samsung Gear S2 | Fitbit Sense |
|---|
| Storage Capacity | 4 GB | - |
|---|---|---|
| User Memory | 1.9 GB | - |
| RAM | Samsung Gear S2 | Fitbit Sense |
|---|
| RAM Size | 512 MB | - |
|---|
| CPU | Samsung Gear S2 | Fitbit Sense |
|---|
| Manufacturer | Samsung | - |
|---|---|---|
| CPU Type | Exynos 3250 | - |
| Clock Speed | 1 GHz | - |
| BATTERY | Samsung Gear S2 | Fitbit Sense |
|---|
| Technology | Lithium Ion | Lithium polymer |
|---|---|---|
| Capacity | 250 mAh | - |
| Battery Life | 3 day(s) | 6 day(s) |
| Battery Life Details | Low usage - up to 4 days | Typical usage - up to 6 days GPS mode - up to 12 hour(s) |
| Rechargeable Battery | - | Yes |
| Wireless Charging | Yes | - |
| MISCELLANEOUS | Samsung Gear S2 | Fitbit Sense |
|---|
| Included Accessories | Power adapter, wireless charging dock | Charging cable, 2 wristbands (S+L) |
|---|---|---|
| Preloaded Software | Contacts, E-mail, Messages, Music Player, Twitter, Samsung Apps, News, Gallery, Weather, S Voice, S Health, Notification Center, Nike+ Running | FitBit Pay |
| Compliant Standards | IP68 | - |
| Max Depth of Water Resistance | - | 50 m |
| Max Operating Temperature | - | 45 °C |
| Min Operating Temperature | - | -10 °C |
| Manufacturer Model Number | SM-R732 | - |
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