Samsung Gear S vs. Xiaomi Mi Band 2 vs. Acer Liquid Leap vs. Fitbit Alta HR vs. Apple Watch Series 4

 
Gear S
Mi Band 2
Liquid Leap
Alta HR
Watch Series 4
 SamsungGear SRemove Buy NowXiaomiMi Band 2Remove Buy NowAcerLiquid LeapRemove Buy NowFitbitAlta HRRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$250$23$90$150$329
Release20132016201520172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Stepsn/a
Swim

Battery

Durationn/a20 hours5 to 7 days7 daysNot Yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution480 x 360n/a128 x 32128 x 36384 x 480
Size2 inches0.42 inches1 inch1.4 inches1.78 inches
Touch
TypeSuper AMOLEDOLEDOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IP67IPX4Not Yet

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/aWatch OS 5
Apps
Music

All Wearables