Polar M400 vs. Microsoft Band 2 vs. Misfit Ray vs. Amazfit Bip vs. Garmin 645 Music

 
M400
Band 2
Ray
Bip
645 Music
 PolarM400Remove Buy NowMicrosoftBand 2Remove Buy NowMisfitRayRemove Buy NowAmazfitBipRemove Buy NowGarmin645 MusicRemove Buy Now

Basic Info

Suggested Price$200$250$100$99.99$450
Release20142015201620182018

Activity & Fitness

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

Battery

Duration8 hours to 30 days48 hours (without GPS)6 months30 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 128n/a176 x 176240 x 240
Sizen/a1.36 inchesn/a1.28 inches1.2 inches
Touchn/a
Typen/aCapacitative TFTLEDNAMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX75 ATMIP685 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/a
Apps
Music

All Wearables