Motorola Moto 360 (2nd Gen) vs. Polar A360 vs. Garmin 645 Music vs. Amazfit T-Rex vs. Apple Watch 7

 
Moto 360 (2nd Gen)
A360
645 Music
T-Rex
Watch 7
 MotorolaMoto 360 (2nd Gen)Remove Buy NowPolarA360Remove Buy NowGarmin645 MusicRemove Buy NowAmazfitT-RexRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$300$200$450$140$429
Release20152015201820192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1.5 days12 days7 days20 days18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution360 x 325 or 360 x 330160 x 80240 x 240360 x 360396 x 484
Size1.37 inches or 1.56 inches1.18 inches1.2 inches1.3 inches1.9 inches
Touch
TypeLCDn/aMIPAMOLEDMicroLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67WR305 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aBuild-inWatchOS 8
Apps
Musicn/a

All Wearables