Polar Loop 2 vs. ASUS ZenWatch 3 vs. Amazfit Stratos vs. Sony SmartBand

 
Loop 2
ZenWatch 3
Stratos
SmartBand
 PolarLoop 2Remove Buy NowASUSZenWatch 3Remove Buy NowAmazfitStratosRemove Buy NowSonySmartBandRemove Buy Now

Basic Info

Suggested Price$120$229$199$100
Release2015201720182014

Activity & Fitness

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

Battery

Duration8 days (without notifications)48 hours5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/aNA
Windowsn/aNA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolutionn/a400 x 400320 x 300NA
Sizen/a1.39 inches1.34 inchesNA
TouchNA
TypeLEDAMOLEDOLEDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5 ATMIP58

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2ProprietaryNA
Apps
Music

All Wearables