Samsung Gear S2 vs. Withings Activite Sapphire vs. Acer Liquid Leap vs. Garmin 645 Music vs. Fitbit Flex

 
Gear S2
Activite Sapphire
Liquid Leap
645 Music
Flex
 SamsungGear S2Remove Buy NowWithingsActivite SapphireRemove Buy NowAcerLiquid LeapRemove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$300$450$90$450$100
Release20152014201520182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days8 months5 to 7 days7 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360n/a128 x 32240 x 240NA
Size1.2 inches1.3 inches1 inch1.2 inchesNA
TouchNA
TypeSuper AMOLEDAnalogOLEDMIPLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATMIPX45 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/aNA
Apps
Music

All Wearables