ASUS ZenWatch 2 vs. Samsung Gear S2 vs. Fitbit Ionic vs. Amazfit Stratos vs. Apple Watch 7

 
ZenWatch 2
Gear S2
Ionic
Stratos
Watch 7
 ASUSZenWatch 2Remove Buy NowSamsungGear S2Remove Buy NowFitbitIonicRemove Buy NowAmazfitStratosRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$150$300$299$199$429
Release20162015201720182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a2-3 days4+ days5 days18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution320 x 320360 x 360348x250320 x 300396 x 484
Size1.63 inches or 1.45 inch1.2 inches1.421.34 inches1.9 inches
Touch
TypeAMOLEDSuper AMOLEDOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IP6850m5 ATMwater resistant but not waterproof

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearTizenFitbit OSProprietaryWatchOS 8
Apps
Music

All Wearables