Polar Loop 2 vs. Garmin Forerunner 235 vs. Motorola Moto 360 (1st Gen) vs. Amazfit T-Rex vs. Garmin VivoActive 4

 
Loop 2
Forerunner 235
Moto 360 (1st Gen)
T-Rex
VivoActive 4
 PolarLoop 2Remove Buy NowGarminForerunner 235Remove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowAmazfitT-RexRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$120$299.99$150$140$349
Release20152017201420192019

Activity & Fitness

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

Battery

Duration8 days (without notifications)9 days1 day20 days8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a215 x 180320 x 260360 x 360260 x 260
Sizen/a1.23 inches1.56 inches1.3 inches1.3ionches
Touch
TypeLEDMIPLCDAMOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5 ATMIP675 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearBuild-inWear OS
Apps
MusicNA

All Wearables