Samsung Gear S vs. Samsung Gear S2 vs. Moov Now vs. Fitbit Alta HR vs. Garmin VivoActive 4

 
Gear S
Gear S2
Now
Alta HR
VivoActive 4
 SamsungGear SRemove Buy NowSamsungGear S2Remove Buy NowMoovNowRemove Buy NowFitbitAlta HRRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$250$300$79$150$349
Release20132015201520172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a2-3 days6 months7 days8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution480 x 360360 x 360n/a128 x 36260 x 260
Size2 inches1.2 inchesn/a1.4 inches1.3ionches
Touchn/a
TypeSuper AMOLEDSuper AMOLEDn/aOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water ResistanceIP67IP68n/a5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenTizenn/aWear OS
Apps
Music

All Wearables