Samsung Gear S vs. Fitbit Flex 2 vs. Polar Loop 2 vs. Sony SmartBand 2 vs. ASUS ZenWatch 3

 
Gear S
Flex 2
Loop 2
SmartBand 2
ZenWatch 3
 SamsungGear SRemove Buy NowFitbitFlex 2Remove Buy NowPolarLoop 2Remove Buy NowSonySmartBand 2Remove Buy NowASUSZenWatch 3Remove Buy Now

Basic Info

Suggested Price$250$100$120$130$229
Release20132016201520152017

Activity & Fitness

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

Battery

Durationn/a5 days8 days (without notifications)2 days48 hours
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolution480 x 360n/an/an/a400 x 400
Size2 inchesn/an/an/a1.39 inches
Touchn/an/a
TypeSuper AMOLEDLEDLEDn/aAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM2 ATMIP58

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/an/an/aAndroid Wear 2
Apps
Music

All Wearables