Polar Loop 2 vs. Amazfit Arc vs. Motorola Moto 360 (1st Gen) vs. Garmin Vivosmart 4

 
Loop 2
Arc
Moto 360 (1st Gen)
Vivosmart 4
 PolarLoop 2Remove Buy NowAmazfitArcRemove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$120$69.99$150$130
Release2015201620142018

Activity & Fitness

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

Battery

Duration8 days (without notifications)20 days1 day7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a72 x40320 x 26048 x 128
Sizen/a0.42 inches1.56 inches0.74 inches
Touch
TypeLEDOLEDLCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMIP67IP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear
Apps
MusicNA

All Wearables