Polar Loop 2 vs. Casio G-Shock GBA800 vs. Garmin Vivofit 4 vs. Sony SmartBand vs. Apple Watch 7

 
Loop 2
G-Shock GBA800
Vivofit 4
SmartBand
Watch 7
 PolarLoop 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowGarminVivofit 4Remove Buy NowSonySmartBandRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$120$120$79.95$100$429
Release20152018201820142021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration8 days (without notifications)2 years1 year5 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolutionn/a88 x 88NA396 x 484
Sizen/aNANA1.9 inches
TouchNA
TypeLEDNANAMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM20 ATM5 ATMIP58water resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAWatchOS 8
Apps
Music

All Wearables