Fitbit Flex 2 vs. Garmin 645 Music vs. Polar A370 vs. Fossil Gen 5 Smartwatch Carlyle vs. Apple Watch 7

 
Flex 2
645 Music
A370
Gen 5 Smartwatch Carlyle
Watch 7
 FitbitFlex 2Remove Buy NowGarmin645 MusicRemove Buy NowPolarA370Remove Buy NowFossilGen 5 Smartwatch CarlyleRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$100$450$179.95$295$429
Release20162018201720192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 daysUp to 3 days1 day18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240160 x 80328 x 328396 x 484
Sizen/a1.2 inches1.18 inches1.3 inches1.9 inches
Touchn/a
TypeLEDMIPTFT LCDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMWR303 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSWatchOS 8
Apps
Music

All Wearables