Fitbit Flex 2 vs. Acer Liquid Leap vs. Casio G-Shock GBA800 vs. Garmin Forerunner 45 vs. Apple Series 6

 
Flex 2
Liquid Leap
G-Shock GBA800
Forerunner 45
Series 6
 FitbitFlex 2Remove Buy NowAcerLiquid LeapRemove Buy NowCasioG-Shock GBA800Remove Buy NowGarminForerunner 45Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$100$90$120$199$399
Release20162015201820192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 to 7 days2 years7 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128 x 32208 x 208384 x 480
Sizen/a1 inch1.04 inches40mm
Touchn/a
TypeLEDOLEDLCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATMIPX420 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aBuilt-inWatchOS 5
Apps
Music

All Wearables