ASUS ZenWatch 2 vs. Fitbit Surge vs. Samsung Gear S2 vs. Fitbit Ionic vs. Fitbit Flex

 
ZenWatch 2
Surge
Gear S2
Ionic
Flex
 ASUSZenWatch 2Remove Buy NowFitbitSurgeRemove Buy NowSamsungGear S2Remove Buy NowFitbitIonicRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$150$250$300$299$100
Release20162016201520172013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a7 days2-3 days4+ days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/a360 x 360348x250NA
Size1.63 inches or 1.45 inch1.26 inches1.2 inches1.42NA
TouchNA
TypeAMOLEDMonochrome LCDSuper AMOLEDOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATMIP6850m1 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aTizenFitbit OSNA
Apps
Music

All Wearables