Sony SmartBand 2 vs. TomTom Touch vs. ASUS ZenWatch 3 vs. Xiaomi Mi Band 4

 
SmartBand 2
Touch
ZenWatch 3
Mi Band 4
 SonySmartBand 2Remove Buy NowTomTomTouchRemove Buy NowASUSZenWatch 3Remove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$130$130$229$25
Release2015201620172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days48 hours20 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a400 x 400120x240
Sizen/a0.91 inches1.39 inches0.95 inches
Touchn/a
Typen/an/aAMOLEDAMOLED

Functions

Audio Speaker
Clockn/a
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP58IPX75 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2AMAZFIT OS
Apps
Music

All Wearables