Apple Watch Series 3 vs. Fitbit Alta vs. Fitbit Charge 2 vs. Sony SmartBand 2 vs. Amazfit GTR

 
Watch Series 3
Alta
Charge 2
SmartBand 2
GTR
 AppleWatch Series 3Remove Buy NowFitbitAltaRemove Buy NowFitbitCharge 2Remove Buy NowSonySmartBand 2Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$329$130$150$130$199
Release20172016201620152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5 days5 days2 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution340 x 272 or 390 x 312n/an/an/a454 x 454
Size1.5 inches or 1.65 inchesn/an/an/a1.39 inches
Touchn/an/an/a
TypeAMOLEDOLEDOLEDn/aAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/an/aIP585 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemWatchOS 4n/an/an/aBuild-in
Apps
Music

All Wearables