Sony SmartBand 2 vs. Withings Pulse Ox vs. ASUS ZenWatch 3 vs. Xiaomi Mi Band 4

 
SmartBand 2
Pulse Ox
ZenWatch 3
Mi Band 4
 SonySmartBand 2Remove Buy NowWithingsPulse OxRemove Buy NowASUSZenWatch 3Remove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$130$120$229$25
Release2015201420172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days2 weeks48 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/ablue
Resolutionn/a128 x 32400 x 400120x240
Sizen/an/a1.39 inches0.95 inches
Touchn/aSwipe
Typen/aOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP585 ATM

Notifications

Phone
Emails
Texts

Software

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

All Wearables