TomTom Spark vs. ASUS ZenWatch 3 vs. Garmin 645 Music vs. Mobvoi TicWatch S2 vs. Amazfit T-Rex

 
Spark
ZenWatch 3
645 Music
TicWatch S2
T-Rex
 TomTomSparkRemove Buy NowASUSZenWatch 3Remove Buy NowGarmin645 MusicRemove Buy NowMobvoiTicWatch S2Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$229$450$180$140
Release20152017201820192019

Activity & Fitness

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

Battery

Durationn/a48 hours7 days2 DAYS20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a400 x 400240 x 240400 x 400360 x 360
Sizen/a1.39 inches1.2 inches1.39 inches1.3 inches
Touch
TypeLCDAMOLEDMIPOLEDAMOLED

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 Systemn/aAndroid Wear 2Wear OSBuild-in
Apps
Music

All Wearables