Fitbit Charge 2 vs. Huawei Talkband B2 vs. Garmin Vivofit 4 vs. Huawei Band 2 vs. Amazfit T-Rex

 
Charge 2
Talkband B2
Vivofit 4
Band 2
T-Rex
 FitbitCharge 2Remove Buy NowHuaweiTalkband B2Remove Buy NowGarminVivofit 4Remove Buy NowHuaweiBand 2Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$180$79.95$69.99$140
Release20162015201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days3 days1 year21 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 8888 x 88128 x 32360 x 360
Sizen/a0.73 inchesNA0.91 inches1.3 inches
Touchn/a
TypeOLEDPMOLEDNAPMOLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP575 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aBuild-in
Apps
Music

All Wearables