Samsung Gear S2 vs. Withings Activite Sapphire vs. Fitbit Charge 2 vs. Huawei Talkband B2 vs. Fitbit Charge HR

 
Gear S2
Activite Sapphire
Charge 2
Talkband B2
Charge HR
 SamsungGear S2Remove Buy NowWithingsActivite SapphireRemove Buy NowFitbitCharge 2Remove Buy NowHuaweiTalkband B2Remove Buy NowFitbitCharge HRRemove Buy Now

Basic Info

Suggested Price$300$450$150$180$150
Release20152014201620152015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days8 months5 days3 days5 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 360n/an/a128 x 88NA
Size1.2 inches1.3 inchesn/a0.73 inchesNA
Touchn/aNA
TypeSuper AMOLEDAnalogOLEDPMOLEDOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATMn/aIP571 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/an/an/aNA
Apps
Music

All Wearables