Polar M600 vs. Withings Activite Sapphire vs. Withings Activite Steel vs. Garmin Vivosmart 4 vs. HTC re Grip

 
M600
Activite Sapphire
Activite Steel
Vivosmart 4
re Grip
 PolarM600Remove Buy NowWithingsActivite SapphireRemove Buy NowWithingsActivite SteelRemove Buy NowGarminVivosmart 4Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$330$450$170$130$199
Release20162014201520182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days8 months8 months7 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/a48 x 128160 x 32
Size1.3 inches1.3 inches1.3 inches0.74 inches1.8 inches
Touchn/a
TypeTFTAnalogAnalogOLEDPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM5 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/an/aNA
Apps
Music

All Wearables