Samsung Gear S2 vs. TomTom Spark vs. Withings Activite Sapphire vs. Garmin Forerunner 235 vs. Fitbit Charge HR

 
Gear S2
Spark
Activite Sapphire
Forerunner 235
Charge HR
 SamsungGear S2Remove Buy NowTomTomSparkRemove Buy NowWithingsActivite SapphireRemove Buy NowGarminForerunner 235Remove Buy NowFitbitCharge HRRemove Buy Now

Basic Info

Suggested Price$300$150$450$299.99$150
Release20152015201420172015

Activity & Fitness

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

Battery

Duration2-3 daysn/a8 months9 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Colorn/a
Resolution360 x 360n/an/a215 x 180NA
Size1.2 inchesn/a1.3 inches1.23 inchesNA
TouchNA
TypeSuper AMOLEDLCDAnalogMIPOLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM5 ATM5 ATM1 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemTizenn/an/aNA
Apps
Music

All Wearables