Apple Watch Series 3 vs. Fitbit Surge vs. Polar M400 vs. Apple Watch Series 2 vs. Xiaomi Mi Band

 
Watch Series 3
Surge
M400
Watch Series 2
Mi Band
 AppleWatch Series 3Remove Buy NowFitbitSurgeRemove Buy NowPolarM400Remove Buy NowAppleWatch Series 2Remove Buy NowXiaomiMi BandRemove Buy Now

Basic Info

Suggested Price$329$250$200$269$15
Release20172016201420162015

Activity & Fitness

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

Battery

Duration18 hours7 days8 hours to 30 days18 hours30 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolution340 x 272 or 390 x 312n/an/a340 x 272 or 390 x 312NA
Size1.5 inches or 1.65 inches1.26 inchesn/a1.5 inches or 1.65 inchesNA
TouchNA
TypeAMOLEDMonochrome LCDn/aAMOLEDNA

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM3 ATM5ATMIP67

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/an/aWatch OSNA
Apps
Music

All Wearables