Huawei Talkband B2 vs. Apple Watch Series 2 vs. Garmin 645 Music vs. Fitbit Alta HR vs. Apple Series 6

 
Talkband B2
Watch Series 2
645 Music
Alta HR
Series 6
 HuaweiTalkband B2Remove Buy NowAppleWatch Series 2Remove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$180$269$450$150$399
Release20152016201820172020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration3 days18 hours7 days7 daysNot yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128 x 88340 x 272 or 390 x 312240 x 240128 x 36384 x 480
Size0.73 inches1.5 inches or 1.65 inches1.2 inches1.4 inches40mm
Touch
TypePMOLEDAMOLEDMIPOLEDMicroLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water ResistanceIP575ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSWatchOS 5
Apps
Music

All Wearables