Polar Loop 2 vs. Polar A370 vs. Garmin Forerunner 45 vs. Garmin Instinct

 
Loop 2
A370
Forerunner 45
Instinct
 PolarLoop 2Remove Buy NowPolarA370Remove Buy NowGarminForerunner 45Remove Buy NowGarminInstinctRemove Buy Now

Basic Info

Suggested Price$120$179.95$199$300
Release2015201720192018

Activity & Fitness

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

Battery

Duration8 days (without notifications)Up to 3 days7 days14 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 80208 x 208128 x 128
Sizen/a1.18 inches1.04 inches0.9 inches
Touch
TypeLEDTFT LCDLCDOMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMWR305 ATM10 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aBuilt-in
Apps
Music

All Wearables