Apple Watch Series 3 vs. Polar M400 vs. Asus ZenWatch vs. Pebble Time 2 vs. Xiaomi Mi Band 4

 
Watch Series 3
M400
ZenWatch
Time 2
Mi Band 4
 AppleWatch Series 3Remove Buy NowPolarM400Remove Buy NowAsusZenWatchRemove Buy NowPebbleTime 2Remove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$329$200$150$199$25
Release20172014201420162019

Activity & Fitness

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

Battery

Duration18 hours8 hours to 30 daysNA10 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/a320 x 320NA120x240
Size1.5 inches or 1.65 inchesn/a1.63 inchesNA0.95 inches
Touch
TypeAMOLEDn/aAMOLEDe-paperAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMIP553 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemWatchOS 4n/aAndroid WearPebble OSAMAZFIT OS
Apps
Music

All Wearables