Apple Watch Series 3 vs. ASUS ZenWatch 2 vs. Amazfit Stratos vs. Fitbit Charge vs. Apple Watch Ultra

 
Watch Series 3
ZenWatch 2
Stratos
Charge
Watch Ultra
 AppleWatch Series 3Remove Buy NowASUSZenWatch 2Remove Buy NowAmazfitStratosRemove Buy NowFitbitChargeRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$329$150$199$130$799
Release20172016201820142022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hoursn/a5 days7-10 days36 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312320 x 320320 x 300NA502x410 pixels
Size1.5 inches or 1.65 inches1.63 inches or 1.45 inch1.34 inchesNA1.92 inches
TouchNA
TypeAMOLEDAMOLEDOLEDOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP675 ATM1 ATM10 ATM (100 Meters)

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemWatchOS 4Android WearProprietaryNAWatchOS 9
Apps
Music

All Wearables