Apple Watch Series 3 vs. Garmin Fenix 3 vs. Apple Watch vs. Fitbit Flex vs. Xiaomi Mi Band 4

 
Watch Series 3
Fenix 3
Watch
Flex
Mi Band 4
 AppleWatch Series 3Remove Buy NowGarminFenix 3Remove Buy NowAppleWatchRemove Buy NowFitbitFlexRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$329$500$349$100$25
Release20172015201520132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours50 hours to 6 weeks18 hours5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312218 x 218340 x 272 or 390 x 312NA120x240
Size1.5 inches or 1.65 inches1.2 inches1.5 inches or 1.65 inchesNA0.95 inches
TouchNA
TypeAMOLEDChroma LEDAMOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM10 ATMIPX71 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/aWatch OSNAAMAZFIT OS
Apps
Music

All Wearables