Sony SmartWatch 3 vs. Garmin 645 Music vs. Samsung Galaxy Watch vs. LG G Watch R vs. Amazfit T-Rex

 
SmartWatch 3
645 Music
Galaxy Watch
G Watch R
T-Rex
 SonySmartWatch 3Remove Buy NowGarmin645 MusicRemove Buy NowSamsungGalaxy WatchRemove Buy NowLGG Watch RRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$450$330$300$140
Release20142018201820142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days7 days7 days2 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320240 x 240360 x 360320 x 320360 x 360
Size1.6 inches1.2 inches1.2 inches or 1.3 inches1.3 inches1.3 inches
Touch
TypeTFT LCDMIPAMOLEDP-OLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM5 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearTizen OSAndroid WearBuild-in
Apps
MusicSpotify

All Wearables