Apple Watch Series 3 vs. Pebble Classic vs. Fitbit Alta HR vs. LG G Watch R vs. Amazfit T-Rex

 
Watch Series 3
Classic
Alta HR
G Watch R
T-Rex
 AppleWatch Series 3Remove Buy NowPebbleClassicRemove Buy NowFitbitAlta HRRemove Buy NowLGG Watch RRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$329$99$150$300$140
Release20172013201720142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5-7 days7 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 312168 x 144128 x 36320 x 320360 x 360
Size1.5 inches or 1.65 inches1.26 inches1.4 inches1.3 inches1.3 inches
Touch
TypeAMOLEDe-paperOLEDP-OLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4Pebble OSAndroid WearBuild-in
Apps
Music

All Wearables