Huawei Talkband B2 vs. Huawei Watch 2 vs. Fitbit Charge vs. Diesel On Full Guard 2.5 vs. Garmin Vivosmart 4

 
Talkband B2
Watch 2
Charge
On Full Guard 2.5
Vivosmart 4
 HuaweiTalkband B2Remove Buy NowHuaweiWatch 2Remove Buy NowFitbitChargeRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$180$350$130$325$130
Release20152017201420182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration3 days48 hours7-10 days4 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128 x 88480 x 480NA454x45448 x 128
Size0.73 inches1.38 inchesNA1.39 inches0.74 inches
TouchNA
TypePMOLEDP-OLEDOLEDOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP57IP681 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2NAWear OS
Apps
Music

All Wearables