Polar Loop 2 vs. Sony SmartBand 2 vs. Samsung Galaxy Watch vs. Garmin Vivofit 4

 
Loop 2
SmartBand 2
Galaxy Watch
Vivofit 4
 PolarLoop 2Remove Buy NowSonySmartBand 2Remove Buy NowSamsungGalaxy WatchRemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$120$130$330$79.95
Release2015201520182018

Activity & Fitness

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

Battery

Duration8 days (without notifications)2 days7 days1 year
Rechargeable

Compatibility

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

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a360 x 36088 x 88
Sizen/an/a1.2 inches or 1.3 inchesNA
Touchn/a
TypeLEDn/aAMOLEDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMIP585 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aTizen OS
Apps
MusicSpotify

All Wearables