Fitbit Charge 2 vs. Fitbit Flex 2 vs. Huawei Talkband B2 vs. Fitbit Alta HR vs. Garmin Vivofit 4

 
Charge 2
Flex 2
Talkband B2
Alta HR
Vivofit 4
 FitbitCharge 2Remove Buy NowFitbitFlex 2Remove Buy NowHuaweiTalkband B2Remove Buy NowFitbitAlta HRRemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$150$100$180$150$79.95
Release20162016201520172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days3 days7 days1 year
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a128 x 88128 x 3688 x 88
Sizen/an/a0.73 inches1.4 inchesNA
Touchn/an/a
TypeOLEDLEDPMOLEDOLEDNA

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMIP575 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/a
Apps
Music

All Wearables