Garmin Forerunner 735XT vs. Huawei Talkband B2 vs. Fitbit Flex vs. Garmin Vivosmart 4 vs. Amazfit T-Rex

 
Forerunner 735XT
Talkband B2
Flex
Vivosmart 4
T-Rex
 GarminForerunner 735XTRemove Buy NowHuaweiTalkband B2Remove Buy NowFitbitFlexRemove Buy NowGarminVivosmart 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$450$180$100$130$140
Release20162015201320182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration14 hours to 11 days3 days5 days7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution215 x 180128 x 88NA48 x 128360 x 360
Size1.23 inches0.73 inchesNA0.74 inches1.3 inches
Touchn/aNA
Typen/aPMOLEDLEDOLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP571 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNABuild-in
Apps
Music

All Wearables