Huawei Talkband B2 vs. Amazfit Stratos vs. Garmin Vivosmart 4 vs. Amazfit T-Rex vs. HTC re Grip

 
Talkband B2
Stratos
Vivosmart 4
T-Rex
re Grip
 HuaweiTalkband B2Remove Buy NowAmazfitStratosRemove Buy NowGarminVivosmart 4Remove Buy NowAmazfitT-RexRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$180$199$130$140$199
Release20152018201820192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration3 days5 days7 days20 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128 x 88320 x 30048 x 128360 x 360160 x 32
Size0.73 inches1.34 inches0.74 inches1.3 inches1.8 inches
Touch
TypePMOLEDOLEDOLEDAMOLEDPMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP575 ATM5 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryBuild-inNA
Apps
Music

All Wearables