Apple Watch Series 3 vs. Fitbit Charge 2 vs. Polar A360 vs. Amazfit GTS vs. Apple Series 6

 
Watch Series 3
Charge 2
A360
GTS
Series 6
 AppleWatch Series 3Remove Buy NowFitbitCharge 2Remove Buy NowPolarA360Remove Buy NowAmazfitGTSRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$329$150$200$150$399
Release20172016201520192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5 days12 days14 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/a160 x 80348 x 442384 x 480
Size1.5 inches or 1.65 inchesn/a1.18 inches1.65 inches40mm
Touchn/a
TypeAMOLEDOLEDn/aAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATMn/aWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/an/aWear OSWatchOS 5
Apps
Music

All Wearables