Apple Watch Series 3 vs. Polar M400 vs. Garmin Fenix 5s vs. Pebble Time 2 vs. Xiaomi Mi Band 4

 
Watch Series 3
M400
Fenix 5s
Time 2
Mi Band 4
 AppleWatch Series 3Remove Buy NowPolarM400Remove Buy NowGarminFenix 5sRemove Buy NowPebbleTime 2Remove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$329$200$599.99$199$25
Release20172014201720162019

Activity & Fitness

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

Battery

Duration18 hours8 hours to 30 daysUp to 9 days10 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/a218x 218NA120x240
Size1.5 inches or 1.65 inchesn/a1.1 inchesNA0.95 inches
Touch
TypeAMOLEDn/anae-paperAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM10ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/aPebble OSAMAZFIT OS
Apps
Music

All Wearables