ASUS ZenWatch 2 vs. Apple Watch Series 2 vs. Garmin 645 Music vs. Amazfit T-Rex vs. Apple Watch Ultra

 
ZenWatch 2
Watch Series 2
645 Music
T-Rex
Watch Ultra
 ASUSZenWatch 2Remove Buy NowAppleWatch Series 2Remove Buy NowGarmin645 MusicRemove Buy NowAmazfitT-RexRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$150$269$450$140$799
Release20162016201820192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a18 hours7 days20 days36 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320340 x 272 or 390 x 312240 x 240360 x 360502x410 pixels
Size1.63 inches or 1.45 inch1.5 inches or 1.65 inches1.2 inches1.3 inches1.92 inches
Touch
TypeAMOLEDAMOLEDMIPAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675ATM5 ATM5 ATM10 ATM (100 Meters)

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearWatch OSBuild-inWatchOS 9
Apps
Music

All Wearables