Polar M400 vs. Samsung Gear S vs. Garmin Forerunner 45 vs. Garmin Instinct vs. HTC re Grip

 
M400
Gear S
Forerunner 45
Instinct
re Grip
 PolarM400Remove Buy NowSamsungGear SRemove Buy NowGarminForerunner 45Remove Buy NowGarminInstinctRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$200$250$199$300$199
Release20142013201920182020

Activity & Fitness

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

Battery

Duration8 hours to 30 daysn/a7 days14 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a480 x 360208 x 208128 x 128160 x 32
Sizen/a2 inches1.04 inches0.9 inches1.8 inches
Touch
Typen/aSuper AMOLEDLCDOMOLEDPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP675 ATM10 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenBuilt-inNA
Apps
Music

All Wearables