Polar M400 vs Polar RS400

Polar M400 Polar RS400

Basic Info

Wear TypeWristbandWristband
Price$18000
Ratings

Activity & Fitness

Activity Yes NoPolar M400 tracks your activity
Calories Yes YesBoth track calories burned
Sleep Yes NoPolar M400 monitors your sleep pattern
Heart Rate / Pulse No YesPolar RS400 has built-in heart rate monitor
External HR Monitor Yes Yes
VO2 Max Yes NoPolar M400 shows the maximum volume of oxygen you can consume per minute
Distance Yes NoPolar M400 provides running or walking distance tracking
Steps Yes NoPolar M400 counts your steps
Pace Yes No
Stairs / Floors Yes NoPolar M400 counts your climbing stairs or floors
Exercise Tagging No NoBoth don't have exercise tagging
Smart Coach Yes YesBoth can help with smart coaching
Goal Setting Yes NoSet and keep your own daily or weekly goals with Polar M400
Inactivity Alert Yes NoPolar M400 helps you stay active with inactivity alert

Additional Features

GPS Yes NoPolar M400 has GPS support
Compass No NoBoth don't have a compass
Watch / Clock Yes YesBoth have watch
Alarm Clock Yes YesBoth have alarm clock
Reminders Yes YesBoth have reminder app
Stopwatch No YesPolar RS400 has a stopwatch
Music Playback No NoBoth don't have music playback
ReportsActivity, Sleep

Smartphone Remote Features

Notifications Yes NoIf you get a phone notification, Polar M400 make an alert for you
Caller ID Yes NoPolar M400 can notify you who is calling
Music Control No NoBoth don't have phone music control
Call Control Yes NoPolar M400 allows you control phone calls
Camera Control No NoBoth don't have camera control
Find Phone No NoBoth don't have a find phone feature

Battery

Duration24 daysn/a
Battery TypeRechargeable BatteryRechargeable Battery

Physical Specs

Weather Resistance Yes Yes
Waterproof No No
IP Rating3 ATM5 ATM
Weight57 grams45 gramsPolar RS400 is 12.0 g lighter

User Interface

Display YesLCD Screen
Display Sizen/an/a
Screen Resolution 128 x 128 pixels n/a
Color Display No No
Touch Screen No No

Compatibility

Android Yes NoPolar M400 is compatibles with Android phones and tablets
iOS Yes NoPolar M400 can connect with iPhones or iPads
OS X/Mac Yes YesBoth compatible MAC OS X laptops and PCs
Windows Phone Yes NoPolar M400 compatibles with a range of 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 Polar M400 with social networks and share information

Connectivity

Bluetooth Yes NoOnly Polar M400 has a built-in Bluetooth connection option
Wi-Fi No NoBoth don't have Wi-Fi connection
NFC No NoBoth don't have NFC connectivity
ANT+ No NoBoth don't provide ANT+ wireless technology
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Polar M400

Polar RS400