Garmin Forerunner 935 vs. Garmin 645 Music vs. Fitbit Flex vs. Jaybird Reign vs. HTC re Grip

 
Forerunner 935
645 Music
Flex
Reign
re Grip
 GarminForerunner 935Remove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy NowJaybirdReignRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$500$450$100$150$199
Release20172018201320152020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

DurationUp to 2 weeks7 days5 days5 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240240 x 240NANA160 x 32
Size1.2 inches1.2 inchesNANA1.8 inches
TouchNANA
TypeLCDMIPLEDLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATMNAIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemNANANA
Apps
Music

All Wearables