Apple Watch Series 3 vs. Polar Loop 2 vs. Fitbit Versa 2 vs. LG G Watch R vs. Amazfit T-Rex

 
Watch Series 3
Loop 2
Versa 2
G Watch R
T-Rex
 AppleWatch Series 3Remove Buy NowPolarLoop 2Remove Buy NowFitbitVersa 2Remove Buy NowLGG Watch RRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$329$120$199$300$140
Release20172015201920142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours8 days (without notifications)5 days2 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/a300 x 300320 x 320360 x 360
Size1.5 inches or 1.65 inchesn/a1.34 inches1.3 inches1.3 inches
Touch
TypeAMOLEDLEDAMOLEDP-OLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM5 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/aBuild-inAndroid WearBuild-in
Apps
Music

All Wearables