Fitbit Flex 2 vs. Jawbone UP2 vs. Garmin Forerunner 45 vs. Amazfit GTR vs. Amazfit GTS

 
Flex 2
UP2
Forerunner 45
GTR
GTS
 FitbitFlex 2Remove Buy NowJawboneUP2Remove Buy NowGarminForerunner 45Remove Buy NowAmazfitGTRRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$100$100$199$199$150
Release20162015201920192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days7 days24 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/aNA208 x 208454 x 454348 x 442
Sizen/aNA1.04 inches1.39 inches1.65 inches
Touchn/aNA
TypeLEDNALCDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplash resistant5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNABuilt-inBuild-inWear OS
Apps
Music

All Wearables