Apple Watch Series 3 vs. Polar M400 vs. Garmin Vivofit 3 vs. Xiaomi Mi Band 2 vs. Sony SmartBand

 
Watch Series 3
M400
Vivofit 3
Mi Band 2
SmartBand
 AppleWatch Series 3Remove Buy NowPolarM400Remove Buy NowGarminVivofit 3Remove Buy NowXiaomiMi Band 2Remove Buy NowSonySmartBandRemove Buy Now

Basic Info

Suggested Price$329$200$100$23$100
Release20172014201620162014

Activity & Fitness

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

Battery

Duration18 hours8 hours to 30 days1 year20 hours5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolution340 x 272 or 390 x 312n/a64 x 64n/aNA
Size1.5 inches or 1.65 inchesn/a0.55 inches0.42 inchesNA
TouchNA
TypeAMOLEDn/an/aOLEDNA

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM5 ATMIP67IP58

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/an/an/aNA
Apps
Music

All Wearables