Polar M400 vs. Garmin Fenix 5 vs. Pebble Core vs. Polar Loop vs. Amazfit T-Rex

 
M400
Fenix 5
Core
Loop
T-Rex
 PolarM400Remove Buy NowGarminFenix 5Remove Buy NowPebbleCoreRemove Buy NowPolarLoopRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$200$599.99$99$100$140
Release20142017201620132019

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 WeeksNA5 days20 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240NANA360 x 360
Sizen/a1.2 inchesNANA1.3 inches
TouchNA
Typen/anaNALEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM10 ATMNA2 ATM5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aNANABuild-in
Apps
Music

All Wearables