Microsoft Band 2 vs. Garmin 645 Music vs. Garmin Chronos vs. Polar A370 vs. Garmin VivoActive 4

 
Band 2
645 Music
Chronos
A370
VivoActive 4
 MicrosoftBand 2Remove Buy NowGarmin645 MusicRemove Buy NowGarminChronosRemove Buy NowPolarA370Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$250$450$1500$179.95$349
Release20152018201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours (without GPS)7 days8 daysUp to 3 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 128240 x 240218 x 218160 x 80260 x 260
Size1.36 inches1.2 inches1.2 inches1.18 inches1.3ionches
Touch
TypeCapacitative TFTMIPMIPTFT LCDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX75 ATM10 ATMWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSWear OS
Apps
Music

All Wearables