Garmin Forerunner 735XT vs. Fitbit Flex 2 vs. Garmin Vivofit 3 vs. Amazfit Arc vs. Garmin 645 Music

 
Forerunner 735XT
Flex 2
Vivofit 3
Arc
645 Music
 GarminForerunner 735XTRemove Buy NowFitbitFlex 2Remove Buy NowGarminVivofit 3Remove Buy NowAmazfitArcRemove Buy NowGarmin645 MusicRemove Buy Now

Basic Info

Suggested Price$450$100$100$69.99$450
Release20162016201620162018

Activity & Fitness

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

Battery

Duration14 hours to 11 days5 days1 year20 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution215 x 180n/a64 x 6472 x40240 x 240
Size1.23 inchesn/a0.55 inches0.42 inches1.2 inches
Touchn/an/a
Typen/aLEDn/aOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/a
Apps
Music

All Wearables