Pebble Time Steel vs. TomTom Spark vs. Garmin Vivosmart 4 vs. Amazfit T-Rex

 
Time Steel
Spark
Vivosmart 4
T-Rex
 PebbleTime SteelRemove Buy NowTomTomSparkRemove Buy NowGarminVivosmart 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$150$130$140
Release2015201520182019

Activity & Fitness

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

Battery

Duration10 daysn/a7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution168 x 144n/a48 x 128360 x 360
Size1.26 inchesn/a0.74 inches1.3 inches
Touch
Typee-paperLCDOLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

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

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemPebble OSn/aBuild-in
Apps
Music

All Wearables