Samsung Gear S2 vs. Fitbit Charge 2 vs. Garmin Vivosmart HR Plus vs. Apple Watch 7

 
Gear S2
Charge 2
Vivosmart HR Plus
Watch 7
 SamsungGear S2Remove Buy NowFitbitCharge 2Remove Buy NowGarminVivosmart HR PlusRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$300$150$179$429
Release2015201620172021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days5 days5 days18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360n/a160 x 68396 x 484
Size1.2 inchesn/a0.5 inches x 0.8 inches1.9 inches
Touchn/a
TypeSuper AMOLEDOLEDLCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68n/a5 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/aNAWatchOS 8
Apps
Music

All Wearables