Detailed comparison and review of Samsung Galaxy Watch4 Classic and Fitbit Sense 2. With our comprehensive overview, you can simply compare size, design, functions, battery capacities, but also other key features of both smartwatches and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the watch that best fits your needs and expectations.
| GENERAL | Samsung Galaxy Watch4 Classic | Fitbit Sense 2 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | Wear OS by Samsung | - |
| Supported Host Device OS | Android 6.0 (Marshmallow) or later | Android 8.0 (Oreo) or later, iOS 14 or later |
| Activity/Sport | - | Multisport |
| Wearing Style | Watch style | Watch style |
| Audio Input | - | Microphone |
| Audio Output | - | Speaker |
| Width | 41.5 mm | 40.5 mm |
| Height | 41.5 mm | 40.5 mm |
| Depth | 11.2 mm | 12.3 mm |
| Weight | 46.5 g | - |
| Body Material | Stainless steel | Aluminium |
| Protection | Waterproof | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Samsung Galaxy Watch4 Classic | Fitbit Sense 2 |
|---|
| Sensors | Accelerometer, ambient light sensor, barometer, gyro sensor, hall sensor, bioimpedance sensor, electromagnetic compass, optical heart sensor, electrical heart sensor | Ambient light sensor, altimeter, SpO2 sensor, 3-axis accelerometer, temperature, optical heart sensor, electrodermal activity (EDA) sensor, vibration motor, multipurpose electrical sensor |
|---|---|---|
| Tracking Data | Distance, calories burned, activity, sleep activity, heart rate, steps taken, blood oxygen saturation, body composition, ECG, REM phases | Distance, calories burned, activity, sleep activity, heart rate, steps taken, floors climbed, blood oxygen saturation, stress level, active time, menstrual cycle, breathing rate, temperature, sleep quality score, blood glucose |
| Modes | - | 40+ sports modes |
| Goal Setting | Yes | Yes |
| Features | Find phone function, VO2 max, automatic exercise recognition, personalised coaching | Find phone function, automatic exercise recognition, breathing training function, Active Zone Minutes, HRV index, Sleep Score, Sleep Profile, Stress Management Score, Daily Readiness Score, all day body response tracking, cardio fitness score |
| Notifications | Calendar, SMS, social apps, incoming calls | SMS, applications, high and low heart rate, calls, irregular rhythm |
| Vibrating Alert | Yes | Yes |
| Feedback Type | Vibration alert, visual interface | Vibration alert, visual interface |
| Digital Player | MP3, WAV, AAC, AMR, M4A, OGG, 3GA, AWB, OGA | - |
| Navigation (GPS) | GPS/GLONASS/Galileo/BeiDou receiver | GPS/GLONASS receiver |
| Payment Technology | - | FitBit Pay |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | - | Alexa built-in |
| IoT Voice Controlled | - | Direct |
| CELLULAR | Samsung Galaxy Watch4 Classic | Fitbit Sense 2 |
|---|
| Technology | WCDMA (UMTS) | - |
|---|---|---|
| Mobile Broadband Generation | 4G | - |
| SIM Card Type | Electronic SIM card (e-SIM) | - |
| CONNECTIVITY | Samsung Galaxy Watch4 Classic | Fitbit Sense 2 |
|---|
| Wireless Interface | NFC, IEEE 802.11a/b/g/n, Bluetooth 5.0 | NFC, Bluetooth 5.0 |
|---|---|---|
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - |
| DISPLAY | Samsung Galaxy Watch4 Classic | Fitbit Sense 2 |
|---|
| Type | Super AMOLED - colour | Colour |
|---|---|---|
| Resolution | 396 x 396 pixels | - |
| Screen Size | 1.2" | - |
| 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) | - |
| Always On Display (AOD) | Yes | Yes |
| INPUT DEVICE | Samsung Galaxy Watch4 Classic | Fitbit Sense 2 |
|---|
| Type | Touch sensitive screen, rotating bezel, push buttons | Touch sensitive screen, push button |
|---|
| CASE | Samsung Galaxy Watch4 Classic | Fitbit Sense 2 |
|---|
| Case Size | 42 mm | - |
|---|---|---|
| Case Shape | Round | Square |
| Case Back | - | Aluminium |
| Case Details | Black | Silver | Platinum aluminum |
| BAND | Samsung Galaxy Watch4 Classic | Fitbit Sense 2 |
|---|
| Band Type | Ridge sport band | Band |
|---|---|---|
| Band Size | - | S |
| Fits Wrist with Circumference | - | 129-175 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Pin-and-tuck |
| Band Material | Fluoroelastomer | - |
| Band Colour | Black | White | Lunar white |
| STORAGE | Samsung Galaxy Watch4 Classic | Fitbit Sense 2 |
|---|
| Storage Capacity | 16 GB | - |
|---|---|---|
| User Memory | 7.6 GB | - |
| RAM | Samsung Galaxy Watch4 Classic | Fitbit Sense 2 |
|---|
| RAM Size | 1.5 GB | - |
|---|
| CPU | Samsung Galaxy Watch4 Classic | Fitbit Sense 2 |
|---|
| Manufacturer | Samsung | - |
|---|---|---|
| CPU Type | Exynos W920 | - |
| Clock Speed | 1.18 GHz | - |
| BATTERY | Samsung Galaxy Watch4 Classic | Fitbit Sense 2 |
|---|
| Technology | - | Lithium polymer |
|---|---|---|
| Capacity | 247 mAh | - |
| Battery Life | 40 hours | 6 day(s) |
| Battery Life Details | - | GPS mode - up to 5 hour(s) |
| Rechargeable Battery | Yes | - |
| Recharge Time | - | 2 hours |
| Wireless Charging | Yes | - |
| Wireless Charging Standards | WPC, Wireless PowerShare | - |
| MISCELLANEOUS | Samsung Galaxy Watch4 Classic | Fitbit Sense 2 |
|---|
| Included Accessories | Wireless charging dock | Charging cable, 6-month Fitbit Premium membership, wristband (158 - 209 mm) |
|---|---|---|
| Preloaded Software | - | Alarm, FitBit Pay |
| Compliant Standards | MIL-STD 810G, IP68 | - |
| SAR Value | 0.538 W/kg (head), 1.131 W/kg (limb) | - |
| Max Depth of Water Resistance | 50 m | 50 m |
| Max Operating Temperature | - | 45 °C |
| Min Operating Temperature | - | -10 °C |
| Manufacturer Model Number | SM-R885F | - |
| Warranty | 2-year warranty | 2-year warranty |
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