Fitbit Alta vs. Huawei Talkband B2 vs. Casio G-Shock GBA800 vs. Garmin Forerunner 45 vs. Amazfit T-Rex

 
Alta
Talkband B2
G-Shock GBA800
Forerunner 45
T-Rex
 FitbitAltaRemove Buy NowHuaweiTalkband B2Remove Buy NowCasioG-Shock GBA800Remove Buy NowGarminForerunner 45Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$180$120$199$140
Release20162015201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days3 days2 years7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 88208 x 208360 x 360
Sizen/a0.73 inches1.04 inches1.3 inches
Touchn/a
TypeOLEDPMOLEDLCDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP5720 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aBuilt-inBuild-in
Apps
Music

All Wearables