Garmin Fenix 3 vs. Fitbit Alta vs. Apple Watch Series 2 vs. Amazfit T-Rex vs. Apple Watch Ultra

 
Fenix 3
Alta
Watch Series 2
T-Rex
Watch Ultra
 GarminFenix 3Remove Buy NowFitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowAmazfitT-RexRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$500$130$269$140$799
Release20152016201620192022

Activity & Fitness

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

Battery

Duration50 hours to 6 weeks5 days18 hours20 days36 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution218 x 218n/a340 x 272 or 390 x 312360 x 360502x410 pixels
Size1.2 inchesn/a1.5 inches or 1.65 inches1.3 inches1.92 inches
Touchn/a
TypeChroma LEDOLEDAMOLEDAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10 ATMn/a5ATM5 ATM10 ATM (100 Meters)

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aWatch OSBuild-inWatchOS 9
Apps
Music

All Wearables