Polar M400 vs. Apple Watch Series 2 vs. Garmin Forerunner 935 vs. LG G Watch vs. Xiaomi Mi Band 3

 
M400
Watch Series 2
Forerunner 935
G Watch
Mi Band 3
 PolarM400Remove Buy NowAppleWatch Series 2Remove Buy NowGarminForerunner 935Remove Buy NowLGG WatchRemove Buy NowXiaomiMi Band 3Remove Buy Now

Basic Info

Suggested Price$200$269$500$230$44.95
Release20142016201720142018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration8 hours to 30 days18 hoursUp to 2 weeks1.5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312240 x 240280 x 280128 x 80
Sizen/a1.5 inches or 1.65 inches1.2 inches1.65 inches0.78 inches
Touch
Typen/aAMOLEDLCDIPS LCDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5ATM5 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSAndroid Wear
Apps
Music

All Wearables