Motorola Moto 360 (2nd Gen) vs. TomTom Spark vs. Garmin 645 Music vs. Garmin Chronos vs. Garmin Vivofit 4

 
Moto 360 (2nd Gen)
Spark
645 Music
Chronos
Vivofit 4
 MotorolaMoto 360 (2nd Gen)Remove Buy NowTomTomSparkRemove Buy NowGarmin645 MusicRemove Buy NowGarminChronosRemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$300$150$450$1500$79.95
Release20152015201820182018

Activity & Fitness

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

Battery

Duration1.5 daysn/a7 days8 days1 year
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution360 x 325 or 360 x 330n/a240 x 240218 x 21888 x 88
Size1.37 inches or 1.56 inchesn/a1.2 inches1.2 inchesNA
Touch
TypeLCDLCDMIPMIPNA

Functions

Audio SpeakerBluetoothBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM5 ATM10 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aWear OS
Apps
Musicn/a

All Wearables