Apple Watch Series 3 vs. Fitbit Alta vs. Motorola Moto 360 (1st Gen) vs. Apple Watch Series 4 vs. Amazfit T-Rex

 
Watch Series 3
Alta
Moto 360 (1st Gen)
Watch Series 4
T-Rex
 AppleWatch Series 3Remove Buy NowFitbitAltaRemove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowAppleWatch Series 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$329$130$150$329$140
Release20172016201420182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5 days1 dayNot Yet20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/a320 x 260384 x 480360 x 360
Size1.5 inches or 1.65 inchesn/a1.56 inches1.78 inches1.3 inches
Touchn/a
TypeAMOLEDOLEDLCDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/aIP67Not Yet5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemWatchOS 4n/aAndroid WearWatch OS 5Build-in
Apps
MusicNA

All Wearables