Pebble Steel vs. Polar M400 vs. Withings Activite Sapphire vs. Withings Activite Steel vs. Microsoft Band 2

 
Steel
M400
Activite Sapphire
Activite Steel
Band 2
 PebbleSteelRemove Buy NowPolarM400Remove Buy NowWithingsActivite SapphireRemove Buy NowWithingsActivite SteelRemove Buy NowMicrosoftBand 2Remove Buy Now

Basic Info

Suggested Price$150$200$450$170$250
Release20142014201420152015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration5-7 days8 hours to 30 days8 months8 months48 hours (without GPS)
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/an/an/a320 x 128
Size1.26 inchesn/a1.3 inches1.3 inches1.36 inches
Touch
Typee-papern/aAnalogAnalogCapacitative TFT

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM5 ATM5 ATMIPX7

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/an/an/an/a
Apps
Music

Wearables by Microsoft

Microsoft Band

All Wearables