Fitbit Flex 2 vs. Apple Watch Series 2 vs. Amazfit Arc vs. Fitbit Alta HR vs. Garmin Forerunner 45

 
Flex 2
Watch Series 2
Arc
Alta HR
Forerunner 45
 FitbitFlex 2Remove Buy NowAppleWatch Series 2Remove Buy NowAmazfitArcRemove Buy NowFitbitAlta HRRemove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$100$269$69.99$150$199
Release20162016201620172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours20 days7 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a340 x 272 or 390 x 31272 x40128 x 36208 x 208
Sizen/a1.5 inches or 1.65 inches0.42 inches1.4 inches1.04 inches
Touchn/a
TypeLEDAMOLEDOLEDOLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSBuilt-in
Apps
Music

All Wearables