Fitbit Charge 2 vs. Garmin Fenix 5s vs. Asus ZenWatch vs. Fitbit Flex vs. Polar A370

 
Charge 2
Fenix 5s
ZenWatch
Flex
A370
 FitbitCharge 2Remove Buy NowGarminFenix 5sRemove Buy NowAsusZenWatchRemove Buy NowFitbitFlexRemove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$150$599.99$150$100$179.95
Release20162017201420132017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysUp to 9 daysNA5 daysUp to 3 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a218x 218320 x 320NA160 x 80
Sizen/a1.1 inches1.63 inchesNA1.18 inches
Touchn/aNA
TypeOLEDnaAMOLEDLEDTFT LCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a10ATMIP551 ATMWR30

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearNA
Apps
Music

All Wearables