Garmin Forerunner 645 Music vs Polar RCX5 GPS

Garmin Forerunner 645 Music Polar RCX5 GPS

Basic Info

Wear TypeWristbandWristband
Price$29200$41195Garmin Forerunner 645 Music is 140% cheaper
Ratings

Activity & Fitness

Activity Yes NoGarmin Forerunner 645 Music tracks your activity
Calories Yes YesBoth track calories burned
Sleep Yes NoGarmin Forerunner 645 Music monitors your sleep pattern
Heart Rate / Pulse Yes YesBoth measure heart rate
External HR Monitor No Yes
VO2 Max Yes YesBoth track VO2 Max level
Distance Yes YesBoth track your running/walking distance
Steps Yes YesBoth track and count your steps
Pace Yes Yes
Speed Yes Yes
Stairs / Floors Yes NoGarmin Forerunner 645 Music counts your climbing stairs or floors
Stress Yes NoGarmin Forerunner 645 Music provides all-day stress level tracking
Exercise Tagging Yes YesBoth have exercise tagging feature
Smart Coach No NoBoth don't have coaching feature
Goal Setting Yes NoSet and keep your own daily or weekly goals with Garmin Forerunner 645 Music
Inactivity Alert Yes NoGarmin Forerunner 645 Music helps you stay active with inactivity alert

Additional Features

GPS Yes YesBoth have integrated GPS modules
Glonass Yes No
Compass Yes NoGarmin Forerunner 645 Music has a compass
Watch / Clock Yes YesBoth have watch
Alarm Clock Yes YesBoth have alarm clock
Reminders Yes YesBoth have reminder app
Stopwatch Yes YesBoth have stopwatch
Music Playback Yes NoOnly Garmin Forerunner 645 Music offers phone-free music
Weather Yes No*Weather forecast
Temperature Yes No
ReportsActivity, Sleep

Smartphone Remote Features

Notifications Yes NoIf you get a phone notification, Garmin Forerunner 645 Music make an alert for you
Caller ID Yes NoGarmin Forerunner 645 Music can notify you who is calling
Music Control Yes NoGarmin Forerunner 645 Music allows control smartphone music player
Call Control Yes NoGarmin Forerunner 645 Music allows you control phone calls
Camera Control No NoBoth don't have camera control
Find Phone Yes NoGarmin Forerunner 645 Music allows you to locate your phone

Battery

Duration7 daysn/a
Battery TypeRechargeable BatteryReplaceable Cell Battery

Physical Specs

Weather Resistance Yes Yes
Waterproof Yes No
IP Rating5 ATM3 ATM
Weight42.2 grams46 gramsGarmin Forerunner 645 Music is 3.8 g lighter

User Interface

DisplayLCD ScreenLCD Screen
Display Size1,2 inchesn/a
Screen Resolution 240 x 240 pixels n/a
Color Display Yes No
Touch Screen No No
Gorilla glass Yes No*Specialized toughened glass: thin, light and damage-resistant

Compatibility

Android Yes NoGarmin Forerunner 645 Music is compatibles with Android phones and tablets
iOS Yes NoGarmin Forerunner 645 Music can connect with iPhones or iPads
OS X/Mac Yes YesBoth compatible MAC OS X laptops and PCs
Windows Phone No NoBoth don't compatible with Windows Phone devices
Windows Yes YesBoth can help find your smartphone
Web Portal Yes YesBoth have access to online web portal
Social Features Yes NoYou can integrate Garmin Forerunner 645 Music with social networks and share information

Connectivity

Bluetooth Yes NoOnly Garmin Forerunner 645 Music has a built-in Bluetooth connection option
Wi-Fi Yes NoSelect Garmin Forerunner 645 Music if you need a built-in Wi-Fi connectivity
NFC No NoBoth don't have NFC connectivity
ANT+ Yes NoOnly Garmin Forerunner 645 Music has ANT+ wireless technology
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Garmin Forerunner 645 Music

Polar RCX5 GPS