Garmin Forerunner 225 vs. Sony SmartBand 2 vs. ASUS ZenWatch 3 vs. Garmin 645 Music vs. Garmin Vivosmart 4

 
Forerunner 225
SmartBand 2
ZenWatch 3
645 Music
Vivosmart 4
 GarminForerunner 225Remove Buy NowSonySmartBand 2Remove Buy NowASUSZenWatch 3Remove Buy NowGarmin645 MusicRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$300$130$229$450$130
Release20152015201720182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks2 days48 hours7 days7 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution180 x 180n/a400 x 400240 x 24048 x 128
Size1 inchn/a1.39 inches1.2 inches0.74 inches
Touchn/a
Typen/an/aAMOLEDMIPOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP585 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aAndroid Wear 2
Appsn/a
Musicn/a

All Wearables