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

 
M400
Band 2
Pace
Bip
645 Music
 PolarM400Remove Buy NowMicrosoftBand 2Remove Buy NowAmazfitPaceRemove Buy NowAmazfitBipRemove Buy NowGarmin645 MusicRemove Buy Now

Basic Info

Suggested Price$200$250$130$99.99$450
Release20142015201720182018

Activity & Fitness

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

Battery

Duration8 hours to 30 days48 hours (without GPS)5 days30 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 128320 x 300176 x 176240 x 240
Sizen/a1.36 inches1.34 inches1.28 inches1.2 inches
Touch
Typen/aCapacitative TFTTFT LCDNAMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX7IP67IP685 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aProprietary
Apps
Music

All Wearables