In depth comparison and review of Garmin Legacy Hero Series First Avenger 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 | Garmin Legacy Hero Series First Avenger | Fitbit Sense |
|---|
| Product Type | Sport watch | Smart watch |
|---|---|---|
| Supported Host Device OS | iOS, Android | Android 7.0 (Nougat) or later, iOS 12.2 or later |
| Wearing Style | Watch style | Watch style |
| Audio Input | - | Microphone |
| Audio Output | - | Speaker |
| Width | 45.1 mm | 40.38 mm |
| Height | 45.1 mm | 40.38 mm |
| Depth | 12.8 mm | 12.45 mm |
| Weight | 50.5 g | - |
| Body Material | Stainless steel, fibre-reinforced polymer | Stainless steel, aluminium |
| Protection | Water-resistant | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Garmin Legacy Hero Series First Avenger | Fitbit Sense |
|---|
| Sensors | Accelerometer, thermometre, altimeter, gyro sensor, electromagnetic compass, optical heart sensor, Pulse Ox sensor | Ambient light sensor, altimeter, gyro sensor, 3-axis accelerometer, temperature, optical heart sensor, electrodermal activity (EDA) sensor |
|---|---|---|
| Tracking Data | Distance, time, calories burned, sleep activity, heart rate, steps taken, floors climbed, blood oxygen saturation, stress level, menstrual cycle, breathing rate, hydration | 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, find phone function, idle alert, HR zones, Move IQ, Garmin Connect compatible, Find my Device, store & play music, rejecting a call, Garmin Elevate, TrueUp, Body Battery, animated workouts | Music remote handling, HR zones, breathing training function |
| Notifications | SMS, incoming calls | Missed calls, calendar, SMS, social apps |
| Vibrating Alert | - | Yes |
| Feedback Type | - | Vibration alert, visual interface |
| Navigation (GPS) | GPS/GLONASS/Galileo receiver | GPS/GLONASS receiver |
| Payment Technology | Garmin Pay | FitBit Pay |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | - | Google Assistant, Alexa |
| CONNECTIVITY | Garmin Legacy Hero Series First Avenger | Fitbit Sense |
|---|
| Wireless Interface | Bluetooth, Wi-Fi, NFC, ANT+ | IEEE 802.11b/g/n, NFC, Bluetooth 5.0 |
|---|
| DISPLAY | Garmin Legacy Hero Series First Avenger | Fitbit Sense |
|---|
| Type | Memory-in-Pixel LCD - colour | AMOLED - colour |
|---|---|---|
| Resolution | 260 x 260 pixels | - |
| Screen Size | 1.3" | - |
| Screen Protection | Corning Gorilla Glass 3 (scratch resistant glass) | Corning Gorilla Glass 3 (scratch resistant glass) |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Garmin Legacy Hero Series First Avenger | Fitbit Sense |
|---|
| Type | Touch sensitive screen, touch buttons | Touch sensitive screen |
|---|
| CASE | Garmin Legacy Hero Series First Avenger | Fitbit Sense |
|---|
| Case Size | 45 mm | - |
|---|---|---|
| Case Shape | Round | Square |
| Bezel | Brushed stainless steel | - |
| Case Back | Polymer | - |
| Case Details | Silver / midnight blue | Silver stainless steel | Graphite stainless steel | Soft gold stainless steel |
| BAND | Garmin Legacy Hero Series First Avenger | Fitbit Sense |
|---|
| Band Type | Band | Band |
|---|---|---|
| Band Size | - | S/L |
| Band Width | 22 mm | - |
| Fits Wrist with Circumference | 135-200 mm | 140-220 mm |
| Changeable | - | Yes |
| Clasp Type | Buckle | Buckle |
| Band Material | Tactical leather | Silicone |
| Band Colour | Brown | Sage grey | Carbon | Lunar white |
| BATTERY | Garmin Legacy Hero Series First Avenger | Fitbit Sense |
|---|
| Technology | Lithium polymer | Lithium polymer |
|---|---|---|
| Battery Life | 8 day(s) | 6 day(s) |
| Battery Life Details | Smartwatch mode - up to 8 days GPS mode - up to 18 hour(s) Smartwatch with music mode - up to 7.5 hour(s) GPS with Music mode - up to 6 hour(s) |
Typical usage - up to 6 days GPS mode - up to 12 hour(s) |
| Rechargeable Battery | Yes | Yes |
| MISCELLANEOUS | Garmin Legacy Hero Series First Avenger | Fitbit Sense |
|---|
| Included Accessories | Charging/data cable | Charging cable, 2 wristbands (S+L) |
|---|---|---|
| Preloaded Software | Garmin Pay, Garmion Connect IQ | FitBit Pay |
| Max Depth of Water Resistance | 50 m | 50 m |
| Max Operating Temperature | 60 °C | 45 °C |
| Min Operating Temperature | -20 °C | -10 °C |
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