Polar M600 vs. Polar Loop 2 vs. Casio G-Shock GBA800 vs. Garmin Vivofit 4 vs. Apple Watch Ultra

 
M600
Loop 2
G-Shock GBA800
Vivofit 4
Watch Ultra
 PolarM600Remove Buy NowPolarLoop 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowGarminVivofit 4Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$330$120$120$79.95$799
Release20162015201820182022

Activity & Fitness

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

Battery

Duration2 days8 days (without notifications)2 years1 year36 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a88 x 88502x410 pixels
Size1.3 inchesn/aNA1.92 inches
Touchn/a
TypeTFTLEDNA

Functions

Audio SpeakerAlerts only
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX82 ATM20 ATM5 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aWatchOS 9
Apps
Music

All Wearables