Fitbit Flex 2 vs. Garmin Vivofit 3 vs. Huawei Talkband B2 vs. Pebble Core vs. Amazfit T-Rex

 
Flex 2
Vivofit 3
Talkband B2
Core
T-Rex
 FitbitFlex 2Remove Buy NowGarminVivofit 3Remove Buy NowHuaweiTalkband B2Remove Buy NowPebbleCoreRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$100$180$99$140
Release20162016201520162019

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heartn/a
Oxygen
SleepNA
Steps
Swim

Battery

Duration5 days1 year3 daysNA20 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/an/aNA
Macn/an/aNA
Windowsn/an/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a64 x 64128 x 88NA360 x 360
Sizen/a0.55 inches0.73 inchesNA1.3 inches
Touchn/aNA
TypeLEDn/aPMOLEDNAAMOLED

Functions

Audio SpeakerBluetooth
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP57NA5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/an/aNABuild-in
Apps
Music

All Wearables