Sony SmartBand 2 vs. Fitbit Flex vs. Amazfit GTR vs. Apple Watch 7

 
SmartBand 2
Flex
GTR
Watch 7
 SonySmartBand 2Remove Buy NowFitbitFlexRemove Buy NowAmazfitGTRRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$130$100$199$429
Release2015201320192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days24 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/aNA454 x 454396 x 484
Sizen/aNA1.39 inches1.9 inches
Touchn/aNA
Typen/aLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP581 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNABuild-inWatchOS 8
Apps
Music

All Wearables