Samsung Gear S2 vs. TomTom Spark vs. Fitbit Flex 2 vs. Garmin Forerunner 935 vs. Fitbit Charge 3

 
Gear S2
Spark
Flex 2
Forerunner 935
Charge 3
 SamsungGear S2Remove Buy NowTomTomSparkRemove Buy NowFitbitFlex 2Remove Buy NowGarminForerunner 935Remove Buy NowFitbitCharge 3Remove Buy Now

Basic Info

Suggested Price$300$150$100$500$150
Release20152015201620172018

Activity & Fitness

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

Battery

Duration2-3 daysn/a5 daysUp to 2 weeks7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFCNA
Wi-Fi

Display

Colorn/an/a
Resolution360 x 360n/an/a240 x 24066 x 18
Size1.2 inchesn/an/a1.2 inches.721 inches
Touchn/a
TypeSuper AMOLEDLCDLEDLCDOLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

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

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemTizenn/an/aNA
Apps
Music

All Wearables