Garmin Vivoactive vs. Fitbit Zip vs. Fitbit Flex vs. Garmin Forerunner 45 vs. Amazfit T-Rex

 
Vivoactive
Zip
Flex
Forerunner 45
T-Rex
 GarminVivoactiveRemove Buy NowFitbitZipRemove Buy NowFitbitFlexRemove Buy NowGarminForerunner 45Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$60$100$199$140
Release20152012201320192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration14 hours to 11 days6 months5 days7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution205 x 148n/aNA208 x 208360 x 360
Size1.38 inchesn/aNA1.04 inches1.3 inches
TouchNA
TypeLCDn/aLEDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplash Resistant1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

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

All Wearables