Fitbit Blaze vs. Garmin Vivosmart HR vs. Polar Loop 2 vs. Polar A370 vs. Garmin Vivosmart 4

 
Blaze
Vivosmart HR
Loop 2
A370
Vivosmart 4
 FitbitBlazeRemove Buy NowGarminVivosmart HRRemove Buy NowPolarLoop 2Remove Buy NowPolarA370Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$200$170$120$179.95$130
Release20162015201520172018

Activity & Fitness

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

Battery

Duration5 Days5 days8 days (without notifications)Up to 3 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 68n/a160 x 8048 x 128
Sizen/a1.08 inchesn/a1.18 inches0.74 inches
Touch
TypeLCDn/aLEDTFT LCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM2 ATMWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/a
Apps
Music

All Wearables