Samsung Gear S vs. Samsung Gear S3 vs. Sony SmartBand 2 vs. ASUS ZenWatch 3 vs. Xiaomi Mi Band 4

 
Gear S
Gear S3
SmartBand 2
ZenWatch 3
Mi Band 4
 SamsungGear SRemove Buy NowSamsungGear S3Remove Buy NowSonySmartBand 2Remove Buy NowASUSZenWatch 3Remove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$250$350$130$229$25
Release20132016201520172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleepn/a
Steps
Swim

Battery

Durationn/a4 days2 days48 hours20 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellularn/a
GPS
NFCn/a
Wi-Fi

Display

Colorn/a
Resolution480 x 360360 x 360n/a400 x 400120x240
Size2 inches1.3 inchesn/a1.39 inches0.95 inches
Touchn/a
TypeSuper AMOLEDFullcolor AODn/aAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IP68IP585 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenTizenn/aAndroid Wear 2AMAZFIT OS
Apps
Music

All Wearables