Fitbit Charge 2 vs. Amazfit Stratos vs. Asus ZenWatch vs. Casio WSD-F20A vs. Garmin Forerunner 45

 
Charge 2
Stratos
ZenWatch
WSD-F20A
Forerunner 45
 FitbitCharge 2Remove Buy NowAmazfitStratosRemove Buy NowAsusZenWatchRemove Buy NowCasioWSD-F20ARemove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$150$199$150$399$199
Release20162018201420182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 daysNA1 day7 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 300320 x 320320 x 320208 x 208
Sizen/a1.34 inches1.63 inches1.32 inches1.04 inches
Touchn/a
TypeOLEDOLEDAMOLEDLCDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMIP555 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aProprietaryAndroid WearWear OSBuilt-in
Apps
Music

All Wearables