Polar Loop 2 vs. Casio G-Shock GBA800 vs. Garmin Instinct vs. Amazfit T-Rex vs. HTC re Grip

 
Loop 2
G-Shock GBA800
Instinct
T-Rex
re Grip
 PolarLoop 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowGarminInstinctRemove Buy NowAmazfitT-RexRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$120$120$300$140$199
Release20152018201820192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration8 days (without notifications)2 years14 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
Resolutionn/a128 x 128360 x 360160 x 32
Sizen/a0.9 inches1.3 inches1.8 inches
Touch
TypeLEDOMOLEDAMOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM20 ATM10 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aBuild-inNA
Apps
Music

All Wearables