Samsung Gear S2 vs. Fitbit Alta vs. Fitbit Alta HR vs. Apple Watch 7

 
Gear S2
Alta
Alta HR
Watch 7
 SamsungGear S2Remove Buy NowFitbitAltaRemove Buy NowFitbitAlta HRRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$300$130$150$429
Release2015201620172021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days5 days7 days18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360n/a128 x 36396 x 484
Size1.2 inchesn/a1.4 inches1.9 inches
Touchn/a
TypeSuper AMOLEDOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68n/awater resistant but not waterproof

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemTizenn/aWatchOS 8
Apps
Music

All Wearables