Amazfit Arc vs. Garmin 645 Music vs. Fitbit Flex vs. Garmin Vivosmart HR Plus vs. Mobvoi TicWatch S2

 
Arc
645 Music
Flex
Vivosmart HR Plus
TicWatch S2
 AmazfitArcRemove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy NowGarminVivosmart HR PlusRemove Buy NowMobvoiTicWatch S2Remove Buy Now

Basic Info

Suggested Price$69.99$450$100$179$180
Release20162018201320172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration20 days7 days5 days5 days2 DAYS
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution72 x40240 x 240NA160 x 68400 x 400
Size0.42 inches1.2 inchesNA0.5 inches x 0.8 inches1.39 inches
TouchNA
TypeOLEDMIPLEDLCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNANAWear OS
Apps
Music

All Wearables