Fitbit Charge 2 vs. Garmin 645 Music vs. Pebble Core vs. Michael Kors Access Sofie HR vs. Amazfit T-Rex

 
Charge 2
645 Music
Core
Access Sofie HR
T-Rex
 FitbitCharge 2Remove Buy NowGarmin645 MusicRemove Buy NowPebbleCoreRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$450$99$395$140
Release20162018201620192019

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

Duration5 days7 daysNA2 days20 days
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240NA390 x 390360 x 360
Sizen/a1.2 inchesNA1.19 inches1.3 inches
Touchn/aNA
TypeOLEDMIPNAOMOLEDAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMNA0.3 ATM5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aNAWear OSBuild-in
Apps
Music

All Wearables