Apple Watch Series 3 vs. Fitbit Alta vs. Huawei Talkband B2 vs. Apple Watch Series 2 vs. Apple Watch 7

 
Watch Series 3
Alta
Talkband B2
Watch Series 2
Watch 7
 AppleWatch Series 3Remove Buy NowFitbitAltaRemove Buy NowHuaweiTalkband B2Remove Buy NowAppleWatch Series 2Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$329$130$180$269$429
Release20172016201520162021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5 days3 days18 hours18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/a128 x 88340 x 272 or 390 x 312396 x 484
Size1.5 inches or 1.65 inchesn/a0.73 inches1.5 inches or 1.65 inches1.9 inches
Touchn/a
TypeAMOLEDOLEDPMOLEDAMOLEDMicroLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/aIP575ATMwater resistant but not waterproof

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemWatchOS 4n/an/aWatch OSWatchOS 8
Apps
Music

All Wearables