Fitbit Flex 2 vs. Huawei Talkband B2 vs. Garmin Vivosmart HR Plus vs. Garmin Forerunner 45 vs. Amazfit T-Rex

 
Flex 2
Talkband B2
Vivosmart HR Plus
Forerunner 45
T-Rex
 FitbitFlex 2Remove Buy NowHuaweiTalkband B2Remove Buy NowGarminVivosmart HR PlusRemove Buy NowGarminForerunner 45Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$180$179$199$140
Release20162015201720192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days3 days5 days7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128 x 88160 x 68208 x 208360 x 360
Sizen/a0.73 inches0.5 inches x 0.8 inches1.04 inches1.3 inches
Touchn/a
TypeLEDPMOLEDLCDLCDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP575 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

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

All Wearables