Detailed comparison and review of Apple Watch Series 4 (GPS) and Fitbit Sense. 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 | Apple Watch Series 4 (GPS) | Fitbit Sense |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | WatchOS 5 | - |
| Supported Host Device OS | iOS | 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 | 34 mm | 40.38 mm |
| Height | 40 mm | 40.38 mm |
| Depth | 10.7 mm | 12.45 mm |
| Weight | 30.1 g | - |
| Body Material | Anodised aluminium | Stainless steel, aluminium |
| Protection | Water-resistant | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Apple Watch Series 4 (GPS) | Fitbit Sense |
|---|
| Sensors | Accelerometer, ambient light sensor, gyro sensor, barometric altimeter, optical heart sensor, electrical heart sensor | Ambient light sensor, altimeter, gyro sensor, 3-axis accelerometer, temperature, optical heart sensor, electrodermal activity (EDA) sensor |
|---|---|---|
| Tracking Data | Distance, time, calories burned, activity, heart rate, steps taken, UV index, Air Quality index | Distance, calories burned, activity, sleep activity, heart rate, steps taken, skin temperature, sleep stages, stress level, menstrual cycle, ECG |
| Goal Setting | Yes | Yes |
| Features | Music remote handling, ECG accurate heart rate, listening to music, Retina Display technology, call alerts, automatic exercise recognition, Fall detection, Emergency SOS | Music remote handling, HR zones, breathing training function |
| Notifications | Calendar, SMS, Email | Missed calls, calendar, SMS, social apps |
| Vibrating Alert | Yes | Yes |
| Feedback Type | Audio alert, vibration alert, visual interface | Vibration alert, visual interface |
| Navigation (GPS) | GPS/GLONASS/Galileo/QZSS receiver | GPS/GLONASS receiver |
| Payment Technology | - | FitBit Pay |
| Internet of Things (IoT) Compatible | Yes | Yes |
| IoT Intelligent Assistant | Siri | Google Assistant, Alexa |
| CONNECTIVITY | Apple Watch Series 4 (GPS) | Fitbit Sense |
|---|
| Wireless Interface | IEEE 802.11b/g/n, Bluetooth 5.0 | IEEE 802.11b/g/n, NFC, Bluetooth 5.0 |
|---|
| DISPLAY | Apple Watch Series 4 (GPS) | Fitbit Sense |
|---|
| Type | LTPO OLED - colour | AMOLED - colour |
|---|---|---|
| Resolution | 324 x 394 pixels | - |
| Screen Protection | Ion-X glass | Corning Gorilla Glass 3 (scratch resistant glass) |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Apple Watch Series 4 (GPS) | Fitbit Sense |
|---|
| Type | Touch sensitive screen (Force Touch) | Touch sensitive screen |
|---|
| CASE | Apple Watch Series 4 (GPS) | Fitbit Sense |
|---|
| Case Size | 40 mm | - |
|---|---|---|
| Case Shape | - | Square |
| Case Back | All ceramic and sapphire crystal back | - |
| Case Details | Silver aluminium | Space grey aluminium | Gold aluminium | Silver stainless steel | Graphite stainless steel | Soft gold stainless steel |
| Crown Type | Digital with haptic feedback | - |
| BAND | Apple Watch Series 4 (GPS) | Fitbit Sense |
|---|
| Band Type | Sport band | Band |
|---|---|---|
| Band Size | - | S/L |
| Fits Wrist with Circumference | 130-200 mm | 140-220 mm |
| Changeable | - | Yes |
| Clasp Type | Pin-and-tuck | Buckle |
| Band Material | Fluoroelastomer | Silicone |
| Band Colour | White | Seashell | Black | Pink sand | Sage grey | Carbon | Lunar white |
| STORAGE | Apple Watch Series 4 (GPS) | Fitbit Sense |
|---|
| Storage Capacity | 16 GB | - |
|---|
| CPU | Apple Watch Series 4 (GPS) | Fitbit Sense |
|---|
| Manufacturer | Apple | - |
|---|---|---|
| CPU Type | S4 | - |
| Features | W3 Apple wireless chip | - |
| BATTERY | Apple Watch Series 4 (GPS) | Fitbit Sense |
|---|
| Technology | Lithium Ion | Lithium polymer |
|---|---|---|
| Battery Life | 18 hours | 6 day(s) |
| Battery Life Details | - | Typical usage - up to 6 days GPS mode - up to 12 hour(s) |
| Rechargeable Battery | - | Yes |
| MISCELLANEOUS | Apple Watch Series 4 (GPS) | Fitbit Sense |
|---|
| Included Accessories | Power adapter, magnetic charging cable | Charging cable, 2 wristbands (S+L) |
|---|---|---|
| Preloaded Software | - | FitBit Pay |
| Max Depth of Water Resistance | 50 m | 50 m |
| Max Operating Temperature | - | 45 °C |
| Min Operating Temperature | - | -10 °C |
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