Garmin Forerunner 735XT vs. Fitbit Zip vs. Garmin 645 Music vs. Garmin Chronos vs. Amazfit T-Rex

 
Forerunner 735XT
Zip
645 Music
Chronos
T-Rex
 GarminForerunner 735XTRemove Buy NowFitbitZipRemove Buy NowGarmin645 MusicRemove Buy NowGarminChronosRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$450$60$450$1500$140
Release20162012201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration14 hours to 11 days6 months7 days8 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution215 x 180n/a240 x 240218 x 218360 x 360
Size1.23 inchesn/a1.2 inches1.2 inches1.3 inches
Touchn/a
Typen/an/aMIPMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplash Resistant5 ATM10 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSBuild-in
Apps
Music

All Wearables