Fitbit Alta vs. Asus ZenWatch vs. Fitbit Charge vs. Garmin Forerunner 45 vs. Garmin Vivosmart 4

 
Alta
ZenWatch
Charge
Forerunner 45
Vivosmart 4
 FitbitAltaRemove Buy NowAsusZenWatchRemove Buy NowFitbitChargeRemove Buy NowGarminForerunner 45Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$130$150$130$199$130
Release20162014201420192018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysNA7-10 days7 days7 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320NA208 x 20848 x 128
Sizen/a1.63 inchesNA1.04 inches0.74 inches
Touchn/aNA
TypeOLEDAMOLEDOLEDLCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP551 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/aNA
TextsNA

Software

Operating Systemn/aAndroid WearNABuilt-in
Apps
Music

All Wearables