TomTom Spark vs. Withings Activite Sapphire vs. Garmin Forerunner 235 vs. Garmin Vivosmart 3 vs. Amazfit T-Rex

 
Spark
Activite Sapphire
Forerunner 235
Vivosmart 3
T-Rex
 TomTomSparkRemove Buy NowWithingsActivite SapphireRemove Buy NowGarminForerunner 235Remove Buy NowGarminVivosmart 3Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$450$299.99$139.99$140
Release20152014201720172019

Activity & Fitness

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

Battery

Durationn/a8 months9 days5 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a215 x 18064 x 128360 x 360
Sizen/a1.3 inches1.23 inchesNA1.3 inches
Touch
TypeLCDAnalogMIPOLEDAMOLED

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/an/aBuild-in
Apps
Music

All Wearables