Apple Watch Series 3 vs. Fitbit Charge 2 vs. LG Watch Style vs. Garmin 645 Music vs. Polar A370

 
Watch Series 3
Charge 2
Watch Style
645 Music
A370
 AppleWatch Series 3Remove Buy NowFitbitCharge 2Remove Buy NowLGWatch StyleRemove Buy NowGarmin645 MusicRemove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$329$150$249$450$179.95
Release20172016201720182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5 days7 daysUp to 3 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/a360 x 360240 x 240160 x 80
Size1.5 inches or 1.65 inchesn/a1.2 inches1.2 inches1.18 inches
Touchn/a
TypeAMOLEDOLEDP-OLEDMIPTFT LCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/aIP675 ATMWR30

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/aAndroid Wear 2
Apps
Music

All Wearables