Garmin 645 Music vs. Fitbit Charge vs. Fitbit Flex vs. Mobvoi TicWatch C2 vs. Garmin Vivosmart 4

 
645 Music
Charge
Flex
TicWatch C2
Vivosmart 4
 Garmin645 MusicRemove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy NowMobvoiTicWatch C2Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$450$130$100$200$130
Release20182014201320182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days7-10 days5 days2 days7 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240NANA360 x 36048 x 128
Size1.2 inchesNANA1.3 inches0.74 inches
TouchNANA
TypeMIPOLEDLEDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM1 ATMIP685 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNANAWear OS
Apps
Music

All Wearables