Polar M400 vs. TomTom Adventurer vs. Withings Activite Sapphire vs. Microsoft Band 2 vs. Polar Loop 2

 
M400
Adventurer
Activite Sapphire
Band 2
Loop 2
 PolarM400Remove Buy NowTomTomAdventurerRemove Buy NowWithingsActivite SapphireRemove Buy NowMicrosoftBand 2Remove Buy NowPolarLoop 2Remove Buy Now

Basic Info

Suggested Price$200$350$450$250$120
Release20142016201420152015

Activity & Fitness

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

Battery

Duration8 hours to 30 daysn/a8 months48 hours (without GPS)8 days (without notifications)
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/an/a320 x 128n/a
Sizen/an/a1.3 inches1.36 inchesn/a
Touch
Typen/an/aAnalogCapacitative TFTLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATMIPX72 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/an/an/an/a
Apps
Music

All Wearables