Fitbit Charge 2 vs. Xiaomi Mi Band 2 vs. Garmin Forerunner 235 vs. Polar A370 vs. Apple Watch Series 4

 
Charge 2
Mi Band 2
Forerunner 235
A370
Watch Series 4
 FitbitCharge 2Remove Buy NowXiaomiMi Band 2Remove Buy NowGarminForerunner 235Remove Buy NowPolarA370Remove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$150$23$299.99$179.95$329
Release20162016201720172018

Activity & Fitness

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

Battery

Duration5 days20 hours9 daysUp to 3 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a215 x 180160 x 80384 x 480
Sizen/a0.42 inches1.23 inches1.18 inches1.78 inches
Touchn/a
TypeOLEDOLEDMIPTFT LCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP675 ATMWR30Not Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWatch OS 5
Apps
Music

All Wearables