Samsung Gear S2 vs. Sony SmartWatch 3 vs. Huawei Talkband B2 vs. Asus ZenWatch vs. Xiaomi Mi Band 4

 
Gear S2
SmartWatch 3
Talkband B2
ZenWatch
Mi Band 4
 SamsungGear S2Remove Buy NowSonySmartWatch 3Remove Buy NowHuaweiTalkband B2Remove Buy NowAsusZenWatchRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$300$250$180$150$25
Release20152014201520142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days2 days3 daysNA20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360320 x 320128 x 88320 x 320120x240
Size1.2 inches1.6 inches0.73 inches1.63 inches0.95 inches
Touch
TypeSuper AMOLEDTFT LCDPMOLEDAMOLEDAMOLED

Functions

Audio SpeakerBluetoothBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68IP68IP57IP555 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemTizenAndroid Wearn/aAndroid WearAMAZFIT OS
Apps
Music

All Wearables