Polar M600 vs. Samsung Gear 2 vs. Sony SmartBand vs. Diesel On Full Guard 2.5 vs. Amazfit T-Rex

 
M600
Gear 2
SmartBand
On Full Guard 2.5
T-Rex
 PolarM600Remove Buy NowSamsungGear 2Remove Buy NowSonySmartBandRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$330$300$100$325$140
Release20162014201420182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
StepsNA
Swim

Battery

Duration2 days2-3 days5 days4 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolution240 x 240320 x 320NA454x454360 x 360
Size1.3 inches1.63 inchesNA1.39 inches1.3 inches
Touchn/aNA
TypeTFTSuper AMOLEDNAAMOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8IP67IP583 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearTizen OSNAWear OSBuild-in
Apps
Music

All Wearables