Fitbit Blaze vs. Polar M600 vs. Withings Activite Sapphire vs. Fitbit Charge 2 vs. Garmin Vivosmart 4

 
Blaze
M600
Activite Sapphire
Charge 2
Vivosmart 4
 FitbitBlazeRemove Buy NowPolarM600Remove Buy NowWithingsActivite SapphireRemove Buy NowFitbitCharge 2Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$200$330$450$150$130
Release20162016201420162018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 Days2 days8 months5 days7 days
Rechargeable

Compatibility

Android
iOS
Windows PhonePartialn/an/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240n/an/a48 x 128
Sizen/a1.3 inches1.3 inchesn/a0.74 inches
Touchn/an/a
TypeLCDTFTAnalogOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIPX85 ATMn/a5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wearn/an/a
Apps
Music

All Wearables