Garmin Forerunner 735XT vs. Garmin 645 Music vs. Fitbit Charge vs. Fitbit Charge 3 vs. HTC re Grip

 
Forerunner 735XT
645 Music
Charge
Charge 3
re Grip
 GarminForerunner 735XTRemove Buy NowGarmin645 MusicRemove Buy NowFitbitChargeRemove Buy NowFitbitCharge 3Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$450$450$130$150$199
Release20162018201420182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration14 hours to 11 days7 days7-10 days7 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Macn/aNA
Windowsn/aNot yetNA

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution215 x 180240 x 240NA66 x 18160 x 32
Size1.23 inches1.2 inchesNA.721 inches1.8 inches
Touchn/aNA
Typen/aMIPOLEDOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANANA
Apps
Music

All Wearables