Samsung Gear S2 vs. Fitbit Charge 2 vs. Fitbit Zip vs. Garmin Chronos vs. Polar A370

 
Gear S2
Charge 2
Zip
Chronos
A370
 SamsungGear S2Remove Buy NowFitbitCharge 2Remove Buy NowFitbitZipRemove Buy NowGarminChronosRemove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$300$150$60$1500$179.95
Release20152016201220182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days5 days6 months8 daysUp to 3 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360n/an/a218 x 218160 x 80
Size1.2 inchesn/an/a1.2 inches1.18 inches
Touchn/a
TypeSuper AMOLEDOLEDn/aMIPTFT LCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68n/aSplash Resistant10 ATMWR30

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/an/aWear OS
Apps
Music

All Wearables