Fitbit Alta HR vs. Fitbit Charge vs. Garmin Forerunner 45 vs. Huawei Band 2 vs. Amazfit T-Rex

 
Alta HR
Charge
Forerunner 45
Band 2
T-Rex
 FitbitAlta HRRemove Buy NowFitbitChargeRemove Buy NowGarminForerunner 45Remove Buy NowHuaweiBand 2Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$130$199$69.99$140
Release20172014201920172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days7-10 days7 days21 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128 x 36NA208 x 208128 x 32360 x 360
Size1.4 inchesNA1.04 inches0.91 inches1.3 inches
TouchNA
TypeOLEDOLEDLCDPMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNABuilt-inBuild-in
Apps
Music

All Wearables