Fitbit Charge 2 vs. Fitbit Zip vs. Fitbit Charge vs. Garmin Forerunner 45 vs. Amazfit T-Rex

 
Charge 2
Zip
Charge
Forerunner 45
T-Rex
 FitbitCharge 2Remove Buy NowFitbitZipRemove Buy NowFitbitChargeRemove Buy NowGarminForerunner 45Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$60$130$199$140
Release20162012201420192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days6 months7-10 days7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/aNA208 x 208360 x 360
Sizen/an/aNA1.04 inches1.3 inches
Touchn/aNA
TypeOLEDn/aOLEDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aSplash Resistant1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNABuilt-inBuild-in
Apps
Music

All Wearables