Apple Watch Series 2 vs. Amazfit Stratos vs. Casio WSD-F20A vs. Samsung Live vs. Apple Watch 7

 
Watch Series 2
Stratos
WSD-F20A
Live
Watch 7
 AppleWatch Series 2Remove Buy NowAmazfitStratosRemove Buy NowCasioWSD-F20ARemove Buy NowSamsungLiveRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$269$199$399$200$429
Release20162018201820142021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5 days1 day1 Day18 Hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312320 x 300320 x 320320 x 320396 x 484
Size1.5 inches or 1.65 inches1.34 inches1.32 inches1.63 inches1.9 inches
Touch
TypeAMOLEDOLEDLCDSuper AMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
VibrationNA
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5ATM5 ATM5 ATMIP67water resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSProprietaryWear OSAndroid WearWatchOS 8
Apps
Music

All Wearables