Apple Watch Series 3 vs. Fitbit Alta vs. Garmin Forerunner 45 vs. Amazfit T-Rex vs. Fitbit Inspire 3

 
Watch Series 3
Alta
Forerunner 45
T-Rex
Inspire 3
 AppleWatch Series 3Remove Buy NowFitbitAltaRemove Buy NowGarminForerunner 45Remove Buy NowAmazfitT-RexRemove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$329$130$199$140$100
Release20172016201920192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5 days7 days20 days10 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/a208 x 208360 x 36032x18
Size1.5 inches or 1.65 inchesn/a1.04 inches1.3 inches46 inches
Touchn/a
TypeAMOLEDOLEDLCDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a5 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemWatchOS 4n/aBuilt-inBuild-in
Apps
Music

All Wearables