Apple Watch vs. Casio G-Shock GBA800 vs. Garmin Forerunner 45 vs. LG G Watch R vs. Amazfit T-Rex

 
Watch
G-Shock GBA800
Forerunner 45
G Watch R
T-Rex
 AppleWatchRemove Buy NowCasioG-Shock GBA800Remove Buy NowGarminForerunner 45Remove Buy NowLGG Watch RRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$349$120$199$300$140
Release20152018201920142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours2 years7 days2 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNAn/a
MacNAn/a
WindowsNAn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312208 x 208320 x 320360 x 360
Size1.5 inches or 1.65 inches1.04 inches1.3 inches1.3 inches
Touch
TypeAMOLEDLCDP-OLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX720 ATM5 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSBuilt-inAndroid WearBuild-in
Apps
Music

All Wearables