Apple Watch Series 3 vs. Sony SmartBand 2 vs. ASUS ZenWatch 3 vs. Samsung Gear 2 vs. Xiaomi Mi Band 4

 
Watch Series 3
SmartBand 2
ZenWatch 3
Gear 2
Mi Band 4
 AppleWatch Series 3Remove Buy NowSonySmartBand 2Remove Buy NowASUSZenWatch 3Remove Buy NowSamsungGear 2Remove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$329$130$229$300$25
Release20172015201720142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
StepsNA
Swim

Battery

Duration18 hours2 days48 hours2-3 days20 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution340 x 272 or 390 x 312n/a400 x 400320 x 320120x240
Size1.5 inches or 1.65 inchesn/a1.39 inches1.63 inches0.95 inches
Touchn/a
TypeAMOLEDn/aAMOLEDSuper AMOLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP58IP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/aAndroid Wear 2Tizen OSAMAZFIT OS
Apps
Music

All Wearables