Samsung Gear S vs. TomTom Spark vs. Garmin Forerunner 235 vs. Fitbit Charge HR vs. Garmin VivoActive 4

 
Gear S
Spark
Forerunner 235
Charge HR
VivoActive 4
 SamsungGear SRemove Buy NowTomTomSparkRemove Buy NowGarminForerunner 235Remove Buy NowFitbitCharge HRRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$250$150$299.99$150$349
Release20132015201720152019

Activity & Fitness

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

Battery

Durationn/an/a9 days5 days8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution480 x 360n/a215 x 180NA260 x 260
Size2 inchesn/a1.23 inchesNA1.3ionches
TouchNA
TypeSuper AMOLEDLCDMIPOLEDMIP

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM5 ATM1 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemTizenn/aNAWear OS
Apps
Music

All Wearables