Apple Watch Series 3 vs. Fitbit Ionic vs. Garmin Chronos vs. LG G Watch R vs. Amazfit T-Rex

 
Watch Series 3
Ionic
Chronos
G Watch R
T-Rex
 AppleWatch Series 3Remove Buy NowFitbitIonicRemove Buy NowGarminChronosRemove Buy NowLGG Watch RRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$329$299$1500$300$140
Release20172017201820142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours4+ days8 days2 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 312348x250218 x 218320 x 320360 x 360
Size1.5 inches or 1.65 inches1.421.2 inches1.3 inches1.3 inches
Touch
TypeAMOLEDOLEDMIPP-OLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50m10 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4Fitbit OSWear OSAndroid WearBuild-in
Apps
Music

All Wearables