Fitbit Alta vs. Fossil Explorist vs. Fitbit Alta HR vs. Garmin Forerunner 45 vs. Amazfit T-Rex

 
Alta
Explorist
Alta HR
Forerunner 45
T-Rex
 FitbitAltaRemove Buy NowFossilExploristRemove Buy NowFitbitAlta HRRemove Buy NowGarminForerunner 45Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$255$150$199$140
Release20162018201720192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hours7 days7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a454 x454128 x 36208 x 208360 x 360
Sizen/a1.4 inches1.4 inches1.04 inches1.3 inches
Touchn/a
TypeOLEDAMOLEDOLEDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP675 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWear OSBuilt-inBuild-in
Apps
Music

All Wearables