Samsung Gear S2 vs. ASUS ZenWatch 3 vs. Garmin Forerunner 235 vs. Fitbit Charge vs. Garmin Vivosmart 4

 
Gear S2
ZenWatch 3
Forerunner 235
Charge
Vivosmart 4
 SamsungGear S2Remove Buy NowASUSZenWatch 3Remove Buy NowGarminForerunner 235Remove Buy NowFitbitChargeRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$300$229$299.99$130$130
Release20152017201720142018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days48 hours9 days7-10 days7 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360400 x 400215 x 180NA48 x 128
Size1.2 inches1.39 inches1.23 inchesNA0.74 inches
TouchNA
TypeSuper AMOLEDAMOLEDMIPOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenAndroid Wear 2NA
Apps
Music

All Wearables