Polar A360 vs. Garmin 645 Music vs. Sony SmartBand vs. Garmin Forerunner 45 vs. Apple Watch 7

 
A360
645 Music
SmartBand
Forerunner 45
Watch 7
 PolarA360Remove Buy NowGarmin645 MusicRemove Buy NowSonySmartBandRemove Buy NowGarminForerunner 45Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$200$450$100$199$429
Release20152018201420192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration12 days7 days5 days7 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolution160 x 80240 x 240NA208 x 208396 x 484
Size1.18 inches1.2 inchesNA1.04 inches1.9 inches
TouchNA
Typen/aMIPNALCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR305 ATMIP585 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNABuilt-inWatchOS 8
Apps
Music

All Wearables