Huawei Watch 2 vs. Polar Loop vs. Sony SmartBand vs. Xiaomi Mi Band 4

 
Watch 2
Loop
SmartBand
Mi Band 4
 HuaweiWatch 2Remove Buy NowPolarLoopRemove Buy NowSonySmartBandRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$350$100$100$25
Release2017201320142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours5 days5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolution480 x 480NANA120x240
Size1.38 inchesNANA0.95 inches
TouchNA
TypeP-OLEDLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP682 ATMIP585 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wear 2NANAAMAZFIT OS
Apps
Music

All Wearables