Garmin Forerunner 735XT vs. Fitbit Alta HR vs. Fitbit Inspire HR vs. Amazfit T-Rex vs. Apple Series 6

 
Forerunner 735XT
Alta HR
Inspire HR
T-Rex
Series 6
 GarminForerunner 735XTRemove Buy NowFitbitAlta HRRemove Buy NowFitbitInspire HRRemove Buy NowAmazfitT-RexRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$450$150$99$140$399
Release20162017201920192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration14 hours to 11 days7 days5 days20 daysNot yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution215 x 180128 x 36139 x 60360 x 360384 x 480
Size1.23 inches1.4 inches1.4 inches1.3 inches40mm
Touchn/a
Typen/aOLEDOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSBuild-inWatchOS 5
Apps
Music

All Wearables