Apple Watch Series 3 vs. ASUS ZenWatch 2 vs. Apple Watch Series 2 vs. Amazfit T-Rex vs. Apple Watch Ultra

 
Watch Series 3
ZenWatch 2
Watch Series 2
T-Rex
Watch Ultra
 AppleWatch Series 3Remove Buy NowASUSZenWatch 2Remove Buy NowAppleWatch Series 2Remove Buy NowAmazfitT-RexRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$329$150$269$140$799
Release20172016201620192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hoursn/a18 hours20 days36 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312320 x 320340 x 272 or 390 x 312360 x 360502x410 pixels
Size1.5 inches or 1.65 inches1.63 inches or 1.45 inch1.5 inches or 1.65 inches1.3 inches1.92 inches
Touch
TypeAMOLEDAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP675ATM5 ATM10 ATM (100 Meters)

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemWatchOS 4Android WearWatch OSBuild-inWatchOS 9
Apps
Music

All Wearables