Pebble Time vs. TomTom Spark vs. Fitbit Versa 2 vs. Xiaomi Mi Band 4 vs. Amazfit T-Rex

 
Time
Spark
Versa 2
Mi Band 4
T-Rex
 PebbleTimeRemove Buy NowTomTomSparkRemove Buy NowFitbitVersa 2Remove Buy NowXiaomiMi Band 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$150$199$25$140
Release20152015201920192019

Activity & Fitness

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

Battery

Duration7 daysn/a5 days20 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/a300 x 300120x240360 x 360
Size1.26 inchesn/a1.34 inches0.95 inches1.3 inches
Touch
Typee-paperLCDAMOLEDAMOLEDAMOLED

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 SystemPebble OSn/aBuild-inAMAZFIT OSBuild-in
Apps
Music

All Wearables