Apple Watch Series 2 vs. Jawbone UP2 vs. Polar A370 vs. Xiaomi Mi Band vs. Apple Watch Series 4

 
Watch Series 2
UP2
A370
Mi Band
Watch Series 4
 AppleWatch Series 2Remove Buy NowJawboneUP2Remove Buy NowPolarA370Remove Buy NowXiaomiMi BandRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$269$100$179.95$15$329
Release20162015201720152018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours7 daysUp to 3 days30 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolution340 x 272 or 390 x 312NA160 x 80NA384 x 480
Size1.5 inches or 1.65 inchesNA1.18 inchesNA1.78 inches
TouchNANA
TypeAMOLEDNATFT LCDNAMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5ATMSplash resistantWR30IP67Not Yet

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSNANAWatch OS 5
Apps
Music

All Wearables