Samsung Gear S vs. Polar Loop 2 vs. Amazfit Stratos vs. Amazfit Bip vs. Fitbit Alta HR

 
Gear S
Loop 2
Stratos
Bip
Alta HR
 SamsungGear SRemove Buy NowPolarLoop 2Remove Buy NowAmazfitStratosRemove Buy NowAmazfitBipRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$250$120$199$99.99$150
Release20132015201820182017

Activity & Fitness

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

Battery

Durationn/a8 days (without notifications)5 days30 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution480 x 360n/a320 x 300176 x 176128 x 36
Size2 inchesn/a1.34 inches1.28 inches1.4 inches
Touch
TypeSuper AMOLEDLEDOLEDNAOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP672 ATM5 ATMIP68

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/aProprietary
Apps
Music

All Wearables