Samsung Gear S2 vs. TomTom Adventurer vs. Fitbit Charge vs. Polar A370 vs. Garmin Vivosmart 4

 
Gear S2
Adventurer
Charge
A370
Vivosmart 4
 SamsungGear S2Remove Buy NowTomTomAdventurerRemove Buy NowFitbitChargeRemove Buy NowPolarA370Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$300$350$130$179.95$130
Release20152016201420172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 daysn/a7-10 daysUp to 3 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360n/aNA160 x 8048 x 128
Size1.2 inchesn/aNA1.18 inches0.74 inches
TouchNA
TypeSuper AMOLEDn/aOLEDTFT LCDOLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM1 ATMWR305 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemTizenn/aNA
Apps
Music

All Wearables