In depth comparison and review of i'm Watch Color Collection and Fitbit Sense 2. 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 | i'm Watch Color Collection | Fitbit Sense 2 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | I'm Droid 2 (customised Android version) | - |
| Supported Host Device OS | Android 4.0 (Ice Cream Sandwich) or later, iOS 4 or later, Blackberry 10 or later | Android 8.0 (Oreo) or later, iOS 14 or later |
| Activity/Sport | - | Multisport |
| Wearing Style | - | Watch style |
| Audio Input | Microphone | Microphone |
| Audio Output | Speaker | Speaker |
| Width | 40.6 mm | 40.5 mm |
| Height | 52.9 mm | 40.5 mm |
| Depth | 10 mm | 12.3 mm |
| Body Material | Aluminium | Aluminium |
| Protection | - | Water-resistant |
| Colours | Black | Red | White | Pink | Blue | - |
| Clock Display | - | Yes |
| FEATURES | i'm Watch Color Collection | Fitbit Sense 2 |
|---|
| Sensors | Accelerometer, magnetometer | 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, 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 |
| Features | Hands-free | 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 | Missed calls, SMS, Email | SMS, applications, high and low heart rate, calls, irregular rhythm |
| Vibrating Alert | - | Yes |
| Feedback Type | - | Vibration alert, visual interface |
| Digital Player | MP3 | - |
| Navigation (GPS) | - | GPS/GLONASS receiver |
| Payment Technology | - | FitBit Pay |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | - | Alexa built-in |
| IoT Voice Controlled | - | Direct |
| CELLULAR | i'm Watch Color Collection | Fitbit Sense 2 |
|---|
| Messaging Services | SMS | - |
|---|---|---|
| Supported Mobile Messaging Services | SMS | - |
| CONNECTIVITY | i'm Watch Color Collection | Fitbit Sense 2 |
|---|
| Wireless Interface | Bluetooth | NFC, Bluetooth 5.0 |
|---|---|---|
| Connectors | 3.5 mm headphone jack | - |
| DISPLAY | i'm Watch Color Collection | Fitbit Sense 2 |
|---|
| Type | LCD - colour | Colour |
|---|---|---|
| Resolution | 240 x 240 pixels | - |
| Screen Size | 1.54" | - |
| Pixel Density | 220 ppi | - |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | i'm Watch Color Collection | Fitbit Sense 2 |
|---|
| Type | Touch sensitive screen | Touch sensitive screen, push button |
|---|
| CASE | i'm Watch Color Collection | Fitbit Sense 2 |
|---|
| Case Shape | - | Square |
|---|---|---|
| Case Back | - | Aluminium |
| Case Details | - | Platinum aluminum |
| BAND | i'm Watch Color Collection | Fitbit Sense 2 |
|---|
| Band Type | - | Band |
|---|---|---|
| Band Size | - | S |
| Fits Wrist with Circumference | - | 129-175 mm |
| Changeable | - | Yes |
| Clasp Type | - | Pin-and-tuck |
| Band Colour | - | Lunar white |
| STORAGE | i'm Watch Color Collection | Fitbit Sense 2 |
|---|
| Storage Capacity | 4 GB | - |
|---|
| RAM | i'm Watch Color Collection | Fitbit Sense 2 |
|---|
| RAM Size | 128 MB | - |
|---|
| CPU | i'm Watch Color Collection | Fitbit Sense 2 |
|---|
| CPU Type | i.MX233 | - |
|---|
| BATTERY | i'm Watch Color Collection | Fitbit Sense 2 |
|---|
| Technology | Lithium polymer | Lithium polymer |
|---|---|---|
| Capacity | 450 mAh | - |
| Battery Life | 5 hours | 6 day(s) |
| Battery Life Details | - | GPS mode - up to 5 hour(s) |
| Standby Time | 48 h | - |
| Recharge Time | - | 2 hours |
| MISCELLANEOUS | i'm Watch Color Collection | Fitbit Sense 2 |
|---|
| Included Accessories | - | Charging cable, 6-month Fitbit Premium membership, wristband (158 - 209 mm) |
|---|---|---|
| Preloaded Software | Address Book, Mail, Calculator, SMS, Facebook, Twitter, Photos, News, Weather, Music, Instagram, Stock Market, i'moticon, Appointments, Calls | Alarm, FitBit Pay |
| Max Depth of Water Resistance | - | 50 m |
| Max Operating Temperature | - | 45 °C |
| Min Operating Temperature | - | -10 °C |
| Warranty | - | 2-year warranty |
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