TomTom Spark vs. Amazfit Stratos vs. Garmin Forerunner 235 vs. Fitbit Charge 3 vs. Garmin Vivosmart 4

 
Spark
Stratos
Forerunner 235
Charge 3
Vivosmart 4
 TomTomSparkRemove Buy NowAmazfitStratosRemove Buy NowGarminForerunner 235Remove Buy NowFitbitCharge 3Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$150$199$299.99$150$130
Release20152018201720182018

Activity & Fitness

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

Battery

Durationn/a5 days9 days7 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 300215 x 18066 x 1848 x 128
Sizen/a1.34 inches1.23 inches.721 inches0.74 inches
Touch
TypeLCDOLEDMIPOLEDOLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM5 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aProprietaryNA
Apps
Music

All Wearables