Product Comparison: Polar RC3 vs Polar M400

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Polar RC3 GPS with Heart Rate

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Best Pick

Polar M400 GPS Smart Sports Watch

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General Specifications

About the Product

A smarter all-in-one. For recreational runners and cyclists who want integrated GPS with smart guidance.

Developed for runners who want a comfortable and durable running watch with sporty design and advanced GPS and training features. Track and record running as well as your other exercise, and monitor your performance accurately. Connect with the Polar Flow mobile app and stay active and motivated.

Brand

Polar

Model

RC3

M400

Origin

China

Key Specs

Display Type

TFT

Monochrome LCD

Display Size

1.3" x 1.3" (240 x 240 pixels)

0.94" x 0.94" (128 x 128 pixels)

Built-In GPS

Yes

Other Sensors

Accelerometer, Ambient light sensor, Gyroscope, Microphone, Heart rate sensor

Optical heart rate monitor

Built-In GPS

What customers say about "Key Specs"

Polar RC3 GPS with Heart Rate

I have made 12 runs with this watch & simply love this watch. I especially like the large screen which makes it easy to read the statistics while on the move.
It takes about 2s to get the heart rate signal & 30s to get the GPS signal which makes it ready to go when I complete my warm up. Decent device.
Its amazing how Polar made this integrated GPS watch so slim!
GPS connecting is so fast, much faster than my previous device!
Its amazing how fast GPS found my location, highly recommended!

Polar M400 GPS Smart Sports Watch

The GPS work perfectly & quickly & accurately 100% of the time but this device has a large, easy-to-understand, perfectly user-friendly display!!
Perfect GPS, very occurate, very stable!
I love that display, convinient size and good colors!
GPS is a little finicky at times, takes a while to lock into the signal and controls could be better.
I always have a GPS finding issues, so frustrated!

Size & Weight

Height

1.7 in.

2.2 in.

Width

1.4 in.

1.96 in.

Depth

0.5 in.

0.47 in.

Weight

2.2 oz.

1.7 oz.

Functionality

Tracking Features

Distance, Speed, Pace, Route

Pace, Distance

Vibration Alerts

Yes

Clock Features

Alarm, Time/date

Time/date, Alarm

Memory/History

4GB internal storage + 512MB RAM

30 h training with GPS and heart rate depending on your language settings

Vibration Alerts

What customers say about "Functionality"

Polar RC3 GPS with Heart Rate

Its super easy to use and has lots of great information during the run.
I found the watch very easy to setup and navigate between the menus.
If you want to ensure you train within a heart rate & pace range, this is definitely the watch for you.
Being able to load up my runs and see the map along with the pace and heart rate is fantastic. I can't wait to run my next race and analyze it.
The beep should be significantly louder or they should have included a vibration function.

Polar M400 GPS Smart Sports Watch

It is pretty cool. It gives you all kinds of info with maps, graphs, and charts.
This device records a ton of data and displays all of that data on the screen for you, and it even has a daily diary right on the screen.
The best part may be that I can set two interval timers to count down and alarm in continuous cycles, so I don't have to keep stopping and starting them during my run.
Like everyone else, I find the beep alerts hard to hear and wish it would vibrate, but I'm glancing down often enough that it isn't much of a problem.
The thing that I don't like is that it doesn't vibrate and it's kind of hard to hear it beep when Im running.

Features

Interface

USB / Bluetooth

Compatibility

IOS, Android

Android, IOS

Protection

IPX7

Water rating - 5 ATM

Wristband Material

Silicone

Battery Type

250 mAH Li-Pol rechargeable battery

Rechargeable 240 mAh lithium polymer

Battery Life

Up to 12 hours in continuous use with the GPS function on

Battery duration up to 8 hours of training time with GPS and optical heart rate. Daily training session, continuous heart rate tracking and notifications: 5 days No training sessions, no notifications, continuous heart rate tracking: 14 days

Extras

Running Index, Training Benefit

Running Program, Running Index, Continuous Heart Rate, Smart Calories, Sleep Plus, Training Load, Recovery Status

What customers say about "Features"

Polar RC3 GPS with Heart Rate

The battery does not drain enough time, even using many functions.
I tried to swim in the pool with this watch and they continue to work, although IPX 7 does not allow swimming in water, amazing quality!
I like a battery lifetime, just try it!
Its only IPX 7 waterproof which means its safe to shower with or in a rainstorm but don't swim with it. Surprising for a sports watch.
Only down side is the IPX7 waterproof rating which means you can't jump into a pool for a swim after a long run.

Polar M400 GPS Smart Sports Watch

It has full support for the Mac computer, so you can plug it into your Mac, and it will sync to the Polar website.
Battery life is fantastic. I have never had trouble charging/syncing this watch.
I've been happy with battery life so far, it will generally last for a week of workouts no problem.
Battery life is pretty good, good purchase!
I have one complaint it's that the battery is only lasting 2-3 days.

Warranty / Certifications

Certifications

CE, FCC

Manufacturer Warranty

2 year(s)

Other Information

Manufacturer

Link

MSRP

379.95

199.95

Manual