Fitbit Flex 2 vs. Garmin Vivosmart vs. Huawei Watch 2 vs. Garmin 645 Music vs. Fitbit Flex

 
Flex 2
Vivosmart
Watch 2
645 Music
Flex
 FitbitFlex 2Remove Buy NowGarminVivosmartRemove Buy NowHuaweiWatch 2Remove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$100$170$350$450$100
Release20162014201720182013

Activity & Fitness

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

Battery

Duration5 days7 days48 hours7 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128 x 16480 x 480240 x 240NA
Sizen/a1.41 inches1.38 inches1.2 inchesNA
Touchn/aNA
TypeLEDOLEDP-OLEDMIPLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP685 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2NA
Apps
Music

All Wearables