Apple Watch Series 3 vs. Fitbit Surge vs. Polar M400 vs. Polar Loop 2 vs. Apple Watch Series 2

 
Watch Series 3
Surge
M400
Loop 2
Watch Series 2
 AppleWatch Series 3Remove Buy NowFitbitSurgeRemove Buy NowPolarM400Remove Buy NowPolarLoop 2Remove Buy NowAppleWatch Series 2Remove Buy Now

Basic Info

Suggested Price$329$250$200$120$269
Release20172016201420152016

Activity & Fitness

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

Battery

Duration18 hours7 days8 hours to 30 days8 days (without notifications)18 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/an/an/a340 x 272 or 390 x 312
Size1.5 inches or 1.65 inches1.26 inchesn/an/a1.5 inches or 1.65 inches
Touch
TypeAMOLEDMonochrome LCDn/aLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM3 ATM2 ATM5ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/an/an/aWatch OS
Apps
Music

All Wearables