Apple Watch Series 3 vs. Samsung Gear S2 vs. TomTom Adventurer vs. Amazfit Stratos vs. Apple Watch 7

 
Watch Series 3
Gear S2
Adventurer
Stratos
Watch 7
 AppleWatch Series 3Remove Buy NowSamsungGear S2Remove Buy NowTomTomAdventurerRemove Buy NowAmazfitStratosRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$329$300$350$199$429
Release20172015201620182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours2-3 daysn/a5 days18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312360 x 360n/a320 x 300396 x 484
Size1.5 inches or 1.65 inches1.2 inchesn/a1.34 inches1.9 inches
Touch
TypeAMOLEDSuper AMOLEDn/aOLEDMicroLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP685 ATM5 ATMwater resistant but not waterproof

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemWatchOS 4Tizenn/aProprietaryWatchOS 8
Apps
Music

All Wearables