Fitbit Surge vs. Motorola Moto 360 (2nd Gen) vs. Polar A360 vs. Garmin 645 Music vs. Garmin Vivosmart 4

 
Surge
Moto 360 (2nd Gen)
A360
645 Music
Vivosmart 4
 FitbitSurgeRemove Buy NowMotorolaMoto 360 (2nd Gen)Remove Buy NowPolarA360Remove Buy NowGarmin645 MusicRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$250$300$200$450$130
Release20162015201520182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days1.5 days12 days7 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a360 x 325 or 360 x 330160 x 80240 x 24048 x 128
Size1.26 inches1.37 inches or 1.56 inches1.18 inches1.2 inches0.74 inches
Touch
TypeMonochrome LCDLCDn/aMIPOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP67WR305 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wearn/a
Apps
Musicn/a

All Wearables