Fitbit Alta vs. Fitbit Flex 2 vs. Garmin Fenix 5 vs. Amazfit Stratos vs. Garmin Vivofit 4

 
Alta
Flex 2
Fenix 5
Stratos
Vivofit 4
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowGarminFenix 5Remove Buy NowAmazfitStratosRemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$130$100$599.99$199$79.95
Release20162016201720182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days2 Weeks5 days1 year
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a240 x 240320 x 30088 x 88
Sizen/an/a1.2 inches1.34 inchesNA
Touchn/an/a
TypeOLEDLEDnaOLEDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM10 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aProprietary
Apps
Music

All Wearables