Polar M400 vs. Pebble Time 2 vs. Samsung Galaxy Watch vs. Mobvoi TicWatch E vs. Xiaomi Mi Band 4

 
M400
Time 2
Galaxy Watch
TicWatch E
Mi Band 4
 PolarM400Remove Buy NowPebbleTime 2Remove Buy NowSamsungGalaxy WatchRemove Buy NowMobvoiTicWatch ERemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$200$199$330$159$25
Release20142016201820172019

Activity & Fitness

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

Battery

Duration8 hours to 30 days10 days7 days1.5-2 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/aNA360 x 360400 x 400120x240
Sizen/aNA1.2 inches or 1.3 inches1.4 inches0.95 inches
Touch
Typen/ae-paperAMOLEDOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM3 ATM5 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aPebble OSTizen OSAndroid Wear 2.0AMAZFIT OS
Apps
MusicSpotify

All Wearables