Withings Activite Sapphire vs. Fitbit Charge 2 vs. Microsoft Band 2 vs. Fitbit Alta HR

 
Activite Sapphire
Charge 2
Band 2
Alta HR
 WithingsActivite SapphireRemove Buy NowFitbitCharge 2Remove Buy NowMicrosoftBand 2Remove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$450$150$250$150
Release2014201620152017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration8 months5 days48 hours (without GPS)7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a320 x 128128 x 36
Size1.3 inchesn/a1.36 inches1.4 inches
Touchn/a
TypeAnalogOLEDCapacitative TFTOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/aIPX7

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/a
Apps
Music

All Wearables