Apple Watch Series 3 vs. Polar M400 vs. Xiaomi Mi Band 2 vs. Pebble Time 2 vs. Sony SmartBand

 
Watch Series 3
M400
Mi Band 2
Time 2
SmartBand
 AppleWatch Series 3Remove Buy NowPolarM400Remove Buy NowXiaomiMi Band 2Remove Buy NowPebbleTime 2Remove Buy NowSonySmartBandRemove Buy Now

Basic Info

Suggested Price$329$200$23$199$100
Release20172014201620162014

Activity & Fitness

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

Battery

Duration18 hours8 hours to 30 days20 hours10 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolution340 x 272 or 390 x 312n/an/aNANA
Size1.5 inches or 1.65 inchesn/a0.42 inchesNANA
TouchNA
TypeAMOLEDn/aOLEDe-paperNA

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMIP673 ATMIP58

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/an/aPebble OSNA
Apps
Music

All Wearables