Samsung Gear S2 vs. Huawei Talkband B2 vs. Polar Loop 2 vs. Fitbit Charge HR vs. Garmin Vivosmart 4

 
Gear S2
Talkband B2
Loop 2
Charge HR
Vivosmart 4
 SamsungGear S2Remove Buy NowHuaweiTalkband B2Remove Buy NowPolarLoop 2Remove Buy NowFitbitCharge HRRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$300$180$120$150$130
Release20152015201520152018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days3 days8 days (without notifications)5 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360128 x 88n/aNA48 x 128
Size1.2 inches0.73 inchesn/aNA0.74 inches
TouchNA
TypeSuper AMOLEDPMOLEDLEDOLEDOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68IP572 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/an/aNA
Apps
Music

All Wearables