Polar M400 vs. Garmin 645 Music vs. LG Watch Urbane 2 vs. Mobvoi TicWatch S vs. Garmin Vivofit 4

 
M400
645 Music
Watch Urbane 2
TicWatch S
Vivofit 4
 PolarM400Remove Buy NowGarmin645 MusicRemove Buy NowLGWatch Urbane 2Remove Buy NowMobvoiTicWatch SRemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$200$450$300$199$79.95
Release20142018201520172018

Activity & Fitness

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

Battery

Duration8 hours to 30 days7 daysNA1.5-2 days1 year
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240480 x 480400 x 40088 x 88
Sizen/a1.2 inches1.38 inches1.4 inchesNA
Touch
Typen/aMIPP-OLEDOLEDNA

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMNAIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearAndroid Wear 2.0
Apps
Music

All Wearables