Fitbit Alta vs. Sony SmartBand 2 vs. Amazfit GTR vs. Apple Watch 8 vs. Apple Series 6

 
Alta
SmartBand 2
GTR
Watch 8
Series 6
 FitbitAltaRemove Buy NowSonySmartBand 2Remove Buy NowAmazfitGTRRemove Buy NowAppleWatch 8Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$130$130$199$499$399
Release20162015201920222020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days2 days24 days18 hrsNot yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a454 x 454340 x 272 or 390 x 312384 x 480
Sizen/an/a1.39 inches1.5 inches or 1.65 inches40mm
Touchn/an/a
TypeOLEDn/aAMOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistancen/aIP585 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aBuild-inWatchOS 9WatchOS 5
Apps
Music

All Wearables