Sony SmartBand 2 vs. Fitbit Ionic vs. Garmin Forerunner 45 vs. Amazfit T-Rex

 
SmartBand 2
Ionic
Forerunner 45
T-Rex
 SonySmartBand 2Remove Buy NowFitbitIonicRemove Buy NowGarminForerunner 45Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$299$199$140
Release2015201720192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days4+ days7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a348x250208 x 208360 x 360
Sizen/a1.421.04 inches1.3 inches
Touchn/a
Typen/aOLEDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP5850m5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSBuilt-inBuild-in
Apps
Music

All Wearables