Polar Loop 2 vs. Sony SmartBand Talk vs. Mobvoi TicWatch 2 vs. Xiaomi Mi Band 4

 
Loop 2
SmartBand Talk
TicWatch 2
Mi Band 4
 PolarLoop 2Remove Buy NowSonySmartBand TalkRemove Buy NowMobvoiTicWatch 2Remove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$120$170$199$25
Release2015201420172019

Activity & Fitness

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

Battery

Duration8 days (without notifications)3 days1.5-2 Days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a296 x 128400 x 400120x240
Sizen/a1.4 inches1.4 inches0.95 inches
Touch
TypeLEDE InkOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMIP68IP655 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearTicwear OSAMAZFIT OS
Apps
Music

All Wearables