Garmin Vivosmart HR vs. Apple Watch Series 2 vs. Fitbit Ionic vs. Amazfit Stratos vs. Casio WSD-F20A

 
Vivosmart HR
Watch Series 2
Ionic
Stratos
WSD-F20A
 GarminVivosmart HRRemove Buy NowAppleWatch Series 2Remove Buy NowFitbitIonicRemove Buy NowAmazfitStratosRemove Buy NowCasioWSD-F20ARemove Buy Now

Basic Info

Suggested Price$170$269$299$199$399
Release20152016201720182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours4+ days5 days1 day
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution160 x 68340 x 272 or 390 x 312348x250320 x 300320 x 320
Size1.08 inches1.5 inches or 1.65 inches1.421.34 inches1.32 inches
Touch
Typen/aAMOLEDOLEDOLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5ATM50m5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSFitbit OSProprietaryWear OS
Apps
Music

All Wearables