Polar M600 vs. Microsoft Band 2 vs. Amazfit Stratos vs. Garmin 645 Music vs. Garmin Vivosmart HR Plus

 
M600
Band 2
Stratos
645 Music
Vivosmart HR Plus
 PolarM600Remove Buy NowMicrosoftBand 2Remove Buy NowAmazfitStratosRemove Buy NowGarmin645 MusicRemove Buy NowGarminVivosmart HR PlusRemove Buy Now

Basic Info

Suggested Price$330$250$199$450$179
Release20162015201820182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days48 hours (without GPS)5 days7 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240320 x 128320 x 300240 x 240160 x 68
Size1.3 inches1.36 inches1.34 inches1.2 inches0.5 inches x 0.8 inches
Touchn/a
TypeTFTCapacitative TFTOLEDMIPLCD

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8IPX75 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aProprietaryNA
Apps
Music

All Wearables