Garmin Forerunner 225 vs. LG Watch Sport vs. Garmin Vivosmart 4 vs. Amazfit T-Rex vs. Apple Watch 7

 
Forerunner 225
Watch Sport
Vivosmart 4
T-Rex
Watch 7
 GarminForerunner 225Remove Buy NowLGWatch SportRemove Buy NowGarminVivosmart 4Remove Buy NowAmazfitT-RexRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$300$349$130$140$429
Release20152016201820192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks1.45 days7 days20 days18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180480 x 48048 x 128360 x 360396 x 484
Size1 inch1.38 inches0.74 inches1.3 inches1.9 inches
Touch
Typen/aP-OLEDOLEDAMOLEDMicroLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP685 ATM5 ATMwater resistant but not waterproof

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aAndroid Wear 2Build-inWatchOS 8
Appsn/a
Musicn/a

All Wearables