Fitbit Flex 2 vs. Fitbit Zip vs. Garmin Fenix 5s vs. Garmin 645 Music vs. Amazfit GTR

 
Flex 2
Zip
Fenix 5s
645 Music
GTR
 FitbitFlex 2Remove Buy NowFitbitZipRemove Buy NowGarminFenix 5sRemove Buy NowGarmin645 MusicRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$100$60$599.99$450$199
Release20162012201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days6 monthsUp to 9 days7 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a218x 218240 x 240454 x 454
Sizen/an/a1.1 inches1.2 inches1.39 inches
Touchn/a
TypeLEDn/anaMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplash Resistant10ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aBuild-in
Apps
Music

All Wearables