Polar V800 vs. Fitbit Flex 2 vs. Apple Watch vs. Garmin Forerunner 45 vs. Amazfit GTR

 
V800
Flex 2
Watch
Forerunner 45
GTR
 PolarV800Remove Buy NowFitbitFlex 2Remove Buy NowAppleWatchRemove Buy NowGarminForerunner 45Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$470$100$349$199$199
Release20142016201520192019

Activity & Fitness

Calories
Cycling (Bicycling)n/a
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration13 hours to 30 days5 days18 hours7 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a340 x 272 or 390 x 312208 x 208454 x 454
Sizen/an/a1.5 inches or 1.65 inches1.04 inches1.39 inches
Touchn/a
Typen/aLEDAMOLEDLCDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMIPX75 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWatch OSBuilt-inBuild-in
Apps
Music

All Wearables