Fitbit One vs. Apple Watch Series 2 vs. Apple Watch Series 4 vs. LG G Watch R vs. Amazfit T-Rex

 
One
Watch Series 2
Watch Series 4
G Watch R
T-Rex
 FitbitOneRemove Buy NowAppleWatch Series 2Remove Buy NowAppleWatch Series 4Remove Buy NowLGG Watch RRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$269$329$300$140
Release20122016201820142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days18 hoursNot Yet2 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312384 x 480320 x 320360 x 360
Sizen/a1.5 inches or 1.65 inches1.78 inches1.3 inches1.3 inches
Touch
TypeOLEDAMOLEDMicroLEDP-OLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant5ATMNot YetIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSWatch OS 5Android WearBuild-in
Apps
Music

All Wearables