Apple Watch Series 2 vs. Asus ZenWatch vs. Fitbit Charge vs. Diesel On Full Guard 2.5 vs. Apple Watch 7

 
Watch Series 2
ZenWatch
Charge
On Full Guard 2.5
Watch 7
 AppleWatch Series 2Remove Buy NowAsusZenWatchRemove Buy NowFitbitChargeRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$269$150$130$325$429
Release20162014201420182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hoursNA7-10 days4 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312320 x 320NA454x454396 x 484
Size1.5 inches or 1.65 inches1.63 inchesNA1.39 inches1.9 inches
TouchNA
TypeAMOLEDAMOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5ATMIP551 ATM3 ATMwater resistant but not waterproof

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemWatch OSAndroid WearNAWear OSWatchOS 8
Apps
Music

All Wearables