Fitbit Surge vs. Garmin Vivoactive HR vs. Amazfit Cor vs. Garmin 645 Music vs. Fitbit Flex

 
Surge
Vivoactive HR
Cor
645 Music
Flex
 FitbitSurgeRemove Buy NowGarminVivoactive HRRemove Buy NowAmazfitCorRemove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$250$250$79.99$450$100
Release20162016201820182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days13 hours to 8 days12 days7 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a148 x 20580 x 160240 x 240NA
Size1.26 inches1.38 inches1.23 inches1.2 inchesNA
TouchNA
TypeMonochrome LCDn/aIPS LCDMIPLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNA
Apps
Music

All Wearables