Side by side comparison and review of ASUS ZenWatch 3 WI503Q and Fitbit Sense. Compare design, displays, functions, batteries and other key specifications and features to simplify the choice of your perfect smartwatch. Our goal is to make it easier for you to decide on the watch that will best meet your expectations by revealing the main differences between the products.
| GENERAL | ASUS ZenWatch 3 WI503Q | Fitbit Sense |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | Android Wear | - |
| Supported Host Device OS | Android 4.3 (Jelly Bean) or later, iOS 8.2 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 | Speaker |
| Width | - | 40.38 mm |
| Height | - | 40.38 mm |
| Depth | - | 12.45 mm |
| Body Details | Main unit: 60 g Wrist strap: 20 g |
- |
| Body Material | 316L stainless steel alloy | Stainless steel, aluminium |
| Protection | Waterproof | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | ASUS ZenWatch 3 WI503Q | Fitbit Sense |
|---|
| Sensors | Ambient light sensor, 6-axis accelerometer | Ambient light sensor, altimeter, gyro sensor, 3-axis accelerometer, temperature, optical heart sensor, electrodermal activity (EDA) sensor |
|---|---|---|
| Tracking Data | Distance, calories burned, activity, steps taken | Distance, calories burned, activity, sleep activity, heart rate, steps taken, skin temperature, sleep stages, stress level, menstrual cycle, ECG |
| Goal Setting | Yes | Yes |
| Features | Call handling, camera remote control, phone unlocking | Music remote handling, HR zones, breathing training function |
| Notifications | Calendar, SMS, Email | Missed calls, calendar, SMS, social apps |
| Vibrating Alert | Yes | Yes |
| Feedback Type | - | Vibration alert, visual interface |
| Navigation (GPS) | - | GPS/GLONASS receiver |
| Payment Technology | - | FitBit Pay |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | - | Google Assistant, Alexa |
| CONNECTIVITY | ASUS ZenWatch 3 WI503Q | Fitbit Sense |
|---|
| Wireless Interface | IEEE 802.11b/g/n, Bluetooth 4.1 | IEEE 802.11b/g/n, NFC, Bluetooth 5.0 |
|---|
| DISPLAY | ASUS ZenWatch 3 WI503Q | Fitbit Sense |
|---|
| Type | AMOLED - colour | AMOLED - colour |
|---|---|---|
| Resolution | 400 x 400 pixels | - |
| Screen Size | 1.39" | - |
| Pixel Density | 287 ppi | - |
| Screen Protection | Corning Gorilla Glass 3 (scratch resistant glass), 2.5D Arc Glass | Corning Gorilla Glass 3 (scratch resistant glass) |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | ASUS ZenWatch 3 WI503Q | Fitbit Sense |
|---|
| Touchscreen Technology | Capacitive | - |
|---|---|---|
| Type | Touch sensitive screen (multi-touch) | Touch sensitive screen |
| CASE | ASUS ZenWatch 3 WI503Q | Fitbit Sense |
|---|
| Case Size | 45 mm | - |
|---|---|---|
| Case Shape | Round | Square |
| Case Details | Gunmetal | Silver stainless steel | Graphite stainless steel | Soft gold stainless steel |
| BAND | ASUS ZenWatch 3 WI503Q | Fitbit Sense |
|---|
| Band Type | Band | Band |
|---|---|---|
| Band Size | - | S/L |
| Band Width | 22 mm | - |
| Fits Wrist with Circumference | - | 140-220 mm |
| Changeable | Yes | Yes |
| Clasp Type | - | Buckle |
| Band Material | Leather | Silicone |
| Band Colour | Dark brown | Sage grey | Carbon | Lunar white |
| STORAGE | ASUS ZenWatch 3 WI503Q | Fitbit Sense |
|---|
| Storage Capacity | 4 GB | - |
|---|
| RAM | ASUS ZenWatch 3 WI503Q | Fitbit Sense |
|---|
| RAM Size | 512 MB | - |
|---|
| CPU | ASUS ZenWatch 3 WI503Q | Fitbit Sense |
|---|
| Manufacturer | Qualcomm | - |
|---|---|---|
| CPU Type | Snapdragon Wear 2100 | - |
| BATTERY | ASUS ZenWatch 3 WI503Q | Fitbit Sense |
|---|
| Technology | Lithium polymer | Lithium polymer |
|---|---|---|
| Capacity | 340 mAh | - |
| Battery Life | - | 6 day(s) |
| Battery Life Details | - | Typical usage - up to 6 days GPS mode - up to 12 hour(s) |
| Rechargeable Battery | - | Yes |
| MISCELLANEOUS | ASUS ZenWatch 3 WI503Q | Fitbit Sense |
|---|
| Included Accessories | Power adapter, magnetic charging cable | Charging cable, 2 wristbands (S+L) |
|---|---|---|
| Preloaded Software | Stopwatch, Alarm, Timer | FitBit Pay |
| Compliant Standards | IP67 | - |
| Max Depth of Water Resistance | 1 m | 50 m |
| Max Operating Temperature | - | 45 °C |
| Min Operating Temperature | - | -10 °C |
| Warranty | 1-year warranty | - |
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