Apple Watch Series 3 vs. LG G Watch R vs. Garmin Vivosmart 4 vs. Amazfit T-Rex

 
Watch Series 3
G Watch R
Vivosmart 4
T-Rex
 AppleWatch Series 3Remove Buy NowLGG Watch RRemove Buy NowGarminVivosmart 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$329$300$130$140
Release2017201420182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours2 days7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312320 x 32048 x 128360 x 360
Size1.5 inches or 1.65 inches1.3 inches0.74 inches1.3 inches
Touch
TypeAMOLEDP-OLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP675 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4Android WearBuild-in
Apps
Music

All Wearables