Garmin Forerunner 735XT vs. Polar M600 vs. Fitbit Flex 2 vs. Garmin VivoActive 4 vs. HTC re Grip

 
Forerunner 735XT
M600
Flex 2
VivoActive 4
re Grip
 GarminForerunner 735XTRemove Buy NowPolarM600Remove Buy NowFitbitFlex 2Remove Buy NowGarminVivoActive 4Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$450$330$100$349$199
Release20162016201620192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration14 hours to 11 days2 days5 days8 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution215 x 180240 x 240n/a260 x 260160 x 32
Size1.23 inches1.3 inchesn/a1.3ionches1.8 inches
Touchn/an/an/a
Typen/aTFTLEDMIPPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX85 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wearn/aWear OSNA
Apps
Music

All Wearables