Polar M600 vs. Withings Activite Steel vs. Fitbit Charge 2 vs. Garmin Vivosmart HR vs. HTC re Grip

 
M600
Activite Steel
Charge 2
Vivosmart HR
re Grip
 PolarM600Remove Buy NowWithingsActivite SteelRemove Buy NowFitbitCharge 2Remove Buy NowGarminVivosmart HRRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$330$170$150$170$199
Release20162015201620152020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days8 months5 days5 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/an/a160 x 68160 x 32
Size1.3 inches1.3 inchesn/a1.08 inches1.8 inches
Touchn/an/a
TypeTFTAnalogOLEDn/aPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATMn/a5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/an/an/aNA
Apps
Music

All Wearables