Samsung Gear S2 vs. Xiaomi Mi Band 2 vs. Fitbit Ionic vs. Garmin Vivosmart HR Plus vs. Polar A370

 
Gear S2
Mi Band 2
Ionic
Vivosmart HR Plus
A370
 SamsungGear S2Remove Buy NowXiaomiMi Band 2Remove Buy NowFitbitIonicRemove Buy NowGarminVivosmart HR PlusRemove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$300$23$299$179$179.95
Release20152016201720172017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Stepsn/a
Swim

Battery

Duration2-3 days20 hours4+ days5 daysUp to 3 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360n/a348x250160 x 68160 x 80
Size1.2 inches0.42 inches1.420.5 inches x 0.8 inches1.18 inches
Touch
TypeSuper AMOLEDOLEDOLEDLCDTFT LCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68IP6750m5 ATMWR30

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/aFitbit OSNA
Apps
Music

All Wearables