Samsung Gear S2 vs. Sony SmartWatch 3 vs. Fitbit Alta HR vs. Apple Watch Series 5 vs. Amazfit GTR

 
Gear S2
SmartWatch 3
Alta HR
Watch Series 5
GTR
 SamsungGear S2Remove Buy NowSonySmartWatch 3Remove Buy NowFitbitAlta HRRemove Buy NowAppleWatch Series 5Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$300$250$150$329$199
Release20152014201720192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days2 days7 daysNot Yet24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360320 x 320128 x 36384 x 480454 x 454
Size1.2 inches1.6 inches1.4 inches1.78 Inches1.39 inches
Touch
TypeSuper AMOLEDTFT LCDOLEDMicroLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68IP68Not Yet5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenAndroid WearWatchOS 5Build-in
Apps
Music

All Wearables