Fitbit Flex 2 vs. Basis Peak vs. Amazfit GTR vs. Garmin VivoActive 4 vs. Apple Series 6

 
Flex 2
Peak
GTR
VivoActive 4
Series 6
 FitbitFlex 2Remove Buy NowBasisPeakRemove Buy NowAmazfitGTRRemove Buy NowGarminVivoActive 4Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$100$200$199$349$399
Release20162014201920192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4 days24 days8 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a168 x 144454 x 454260 x 260384 x 480
Sizen/a1.25 inches1.39 inches1.3ionches40mm
Touchn/a
TypeLEDLCDAMOLEDMIPMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNABuild-inWear OSWatchOS 5
Apps
Music

All Wearables