Apple Watch Series 6 44mm vs 40mm – Which is Better?

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Last Updated on September 21, 2020 by Jude Simeone

Like it’s predecessor, Apple Watch 5, Apple Watch Series 6 is available in two sizes; 44mm and 40mm – the difference between these two is basically the slight differences in size and weight. Beyond that, both models offer the same features. This post compares the difference between Apple Watch Series 6 44mm vs 40mm specs and features to help you decide which size is right for you.

As you may already know, although Watch 6 has the same appearance as its predecessor, it comes with new features such as sleep tracking, blood oxygen monitoring and the Apple S6 chip which Apple claims is 20% faster than Watch 5 or SE. Other features include a handwashing app that reminds you to wash your hands and hearing protection that alerts you when you have reached the recommended listening dose for the week. New workout modes have been added and the activity app has been redesigned and renamed to Fitness app with the introduction of a Fitness Plan where you can get 3 months free when you buy an Apple Watch and $9.99/month on subscription.

Other new features include the family app that allows family members who own an Apple Watch but don’t own an iPhone to still enjoy the benefits of an Apple Watch. the new cycling map app and an improved Siri. See all the features WatchOS 7

Apple Watch Series 6 44mm vs 40mm – Specifications Compared

 Apple Watch Series 6 (44mm) (Cellular)Apple Watch Series 6 (40mm) (Cellular)
Apple Watch Series 6 specsApple Watch Series 6 40mm (cellular) specs

EDITOR'S RATING

Design:
4.8 out of 5 stars (4.8 / 5)
Battery:
3 out of 5 stars (3.0 / 5)
Fitness tracking:
4.9 out of 5 stars (4.9 / 5)
Features:
4.8 out of 5 stars (4.8 / 5)
Price:
4.1 out of 5 stars (4.1 / 5)
Average:
4.3 out of 5 stars (4.3 / 5)
Design:
4.8 out of 5 stars (4.8 / 5)
Battery:
3 out of 5 stars (3.0 / 5)
Fitness tracking:
4.9 out of 5 stars (4.9 / 5)
Features:
4.8 out of 5 stars (4.8 / 5)
Price:
4.1 out of 5 stars (4.1 / 5)
Average:
4.3 out of 5 stars (4.3 / 5)

WHERE TO BUY

View @ Amazon View @ Amazon

ABOUT DEVICE

Device nameApple Watch Series 6 (44mm) (Cellular)Apple Watch Series 6 (40mm) (Cellular)
Device typeStandalone/Fitness smartwatchStandalone/Fitness smartwatch
PredessesorApple Watch Series 5Apple Watch Series 5
Successor----
Released dateSeptember, 2020September, 2020
Ideal forUnisexUnisex

DISPLAY

Display typeLTPO OLEDLTPO OLED
Display size1.78 inches (44mm)1.65 inches (40mm)
Display resolution448 x 368 pixels (44mm)324 x 394 pixels
Pixel density----
Input typeTouchscreen
1 button plus
Digital Crown with haptic feedback
Touchscreen
1 button plus
Digital Crown with haptic feedback
Always-onYesYes

BODY

ShapeRectangular/curvedRectangular/curved
Dimension44 x 38 x 10.4 mm (44mm)
40 x 34 x 10.4 mm (40mm)

40 x 34 x 10.4 mm (40mm)
Weight36.5 grams30.5 grams
Casing materialStainless steel
Aluminum
Titanium
Stainless steel
Aluminum
Titanium
Strap/band materialSolo loop
(silicone)

Braided loop
(Silicone and Polyester)
Solo loop
(silicone)

Braided loop
(Silicone and Polyester)
Bezel MaterialCeramicsCeramics
Strap size125 - 210mm125 - 210mm
Screen protectionSapphire crystal glassSapphire crystal glass
Water resistant/ProtectionYes, IP68, 5ATMYes, IP68, 5ATM
Swim-proofYes, recommendedYes, recommended
Color(s)(Aluminum)
Space gray
Gold
Silver
Red
Blue

(Stainless Steel)
Gold PVD
Graphite
Silver

(Titanium)
Space black
Titanium
(Aluminum)
Space gray
Gold
Silver
Red
Blue

(Stainless Steel)
Gold PVD
Graphite
Silver

(Titanium)
Space black
Titanium

MEMORY

RAM1GB1GB
Internal storage32GB32GB
Memory card slotNoNo

CONNECTIVITY

BluetoothBluetooth v5.0Bluetooth v5.0
Bluetooth callingYesYes
Wi-FiYesYes
NFCYesYes
GPSA-GPS/GLONASS/GALILEO/QZSSA-GPS/GLONASS/GALILEO/QZSS

CELLULAR TECHNOLOGY

Technology2G/3G/4G2G/3G/4G
SIMe-SIMe-SIM
Band____

NOTIFICATIONS

Email alertYesYes
SMS alertYesYes
Calls alertYesYes
Event reminderYesYes
WeatherYesYes
Third-party appsYesYes

FITNESS TRACKING

Sleep apneaNoNo
Sleep trackingYesYes
StepsYesYes
Floors climbedYesYes
Heart rate monitoringYesYes
CaloriesYesYes
DistanceYesYes
StressYesYes
VO2 Max.YesYes
Blood oxygenYesYes
Blood pressureNoNo
Menstrual cycle trackingYesYes
Swim trackingYesYes
Under-water heart rate tracking____
Preloaded mapsYesYes
On-screen workout modesNoNo
Triathlon modeYesYes
ECG TrackingYesYes
Preloaded sport modesYesYes
Safety trackingYesYes

MEDIA

Audiomp3/mp4mp3/mp4
Music streamingYesYes
Bluetooth musicYesYes
RadioNoNo
LoudspeakerYesYes
MicrophoneYesYes
CameraNoNo

SENSORS

AccelerometerYesYes
Barometer/AltimeterYesYes
Heart rate monitor (HRM)YesYes
CompassYesYes
Gyroscope YesYes
Ambient lightYesYes
Pulse OximeterYesYes
ECGYesYes
ThermometerYes, (App)Yes, (App)
Other sensors____

PLATFORM

Operating system (OS)WatchOS 7WatchOS 7
ChipsetApple S6, 64bitApple S6, 64bit
CPUDual coreDual core
GPUPowerVRPowerVR

BATTERY

Type of batteryNon-removable Li-ion batteryNon-removable Li-ion battery
Battery capacity ----
Battery lifeMixed usage: 18 hrsMixed usage: 18 hrs
Charging typeMagnetic chargingMagnetic charging
Charging timeAbout 1-2 hoursAbout 1-2 hours
Battery saver modeYesYes
Solar powerNoNo
Rapid chargingNoNo

CLOCK FEATURES

Time/DateYesYes
StopwatchYesYes
AlarmYesYes

OTHER FUNCTIONS

Control cameraYesYes
Music controlYesYes
Find phoneYesYes
Text responseYesYes

MISC

Payment systemApple PayApple Pay
Compatibility iPhone 5s+
iOS 12+
iPhone 5s+
iOS 12+
Companion appApple watch APPApple watch APP
Customizable watch faceYesYes
Interchangeable band YesYes
Voice commandYesYes

BOX CONTENTS

Apple Watch Series 6 (44mm)Apple Watch Series 6 (40mm)
StrapsStraps
Magnetic charging cable + USB adapterMagnetic charging cable + USB adapter
Quick start guideQuick start guide
NOTE: We can't guarantee that all the information on this table are 100% correct. Read full disclaimer. Please, report an error.
Official SiteOfficial Site

READ ALSO

Apple Watch Series 6 GPS vs Cellular – Features Compared

FEATURESApple Watch Series 6
(GPS)
Apple Watch Series 6
(Cellular)
Display1.78 inches
2.5x brighter than SE
1.78 inches
2.5x brighter than SE
Share Watch FacesYesYes
Add Widget to Watch FaceYesYes
Always-On DisplayYesYes
MaterialsAluminum
Stainless steel
Titanium
Aluminum
Stainless steel
Titanium
Storage32GB32GB
Memoji App
Allows you to send emojis as sticker in messages or use it as your watch face.
YesYes
Family Setup
Allows family members who don't own an iPhone to still enjoy all the features of an Apple Watch by adding and assigning numbers to different Apple Watches which can be managed from a single iPhone.
NoYes
Smart Money With Apple CashYesYes
Find my App
A feature that lets you know the location of family members.
NoYes
Cycling Maps
A feature that guides cyclists by showing direction, suggesting lanes, and more.
YesYes
Hearing Protection
Alerts you when you have reached the maximum recommended listening dose for the week, and also allows you to set maximum volume for your headphone.
YesYes
Handwashing App
Guides you to wash your hand for up to 20 seconds recommended by WHO. Also reminds you to wash your hands when you get home.
YesYes
Sleep TrackingYesYes
Incidental Fall DetectionNoYes (Cellular)
International Emergency Calling
Allow you to call emergency contacts almost anywhere in the world.
NoYes (Cellular)
Blood Oxygen Tracking
Monitors your blood oxygen to determine how well your blood absorbs oxygen.
YesYes
ECG tracking
Allows you to take an electrocardiogram test on your wrist that's capable of detecting irregular heart rhythm and can help you prevent atrial fibrillations.
YesYes
Fitness+
Apple introduces a fitness service that features workout plans and coaching from professionals around the world. $9.99/month after the first 3 months.
YesYes
ProcessorS6 chip dual-core processor and W3 wireless chip

20% faster than S5
S6 chip dual-core processor and W3 wireless chip

20% faster than S5

Which Size is Right For You?

It boils down to which size is right for you, the best way to know is to measure your wrist size or compare with other watches you’ve worn to determine that. I’ve always recommended the 40mm for women and those with smaller wrist sizes and the 44mm for men and for those with bigger wrist size. You can watch the video below to learn how to properly measure your wrist size.

Apple Watch Series 6 Prices

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