Apple Watch Series 6 44mm vs 40mm – Which Should You Buy?

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Apple Watch Series 6 is one of the latest additions to Apple smartwatches which released alongside the Apple Watch SE. It comes with sleep tracking and blood oxygen tracking in addition to other interesting features that come with WatchOS 7 out of the box. The Watch 6 comes in two sizes; 44mm and 40mm, and each of these models is available in two models; Cellular and GPS only. This comparison graph compares Apple Watch Series 6 (44mm) vs (40mm) on the basis of design, storage, battery life, fitness tracking, and more to find out the differences.

Apple Watch Series 6 Stainless Steel vs Aluminum Specifications Comparison

 
 
Product Info
apple watch series 6 (44mm) specs and features

Apple Watch Series 6 (44mm) (Cellular) Specifications, Features and Price

apple watch series 6 (40mm) (cellular) specs

Apple Watch Series 6 (40mm) (Cellular) Specifications, Features and Price

Price $529.00 $699.00
ABOUT DEVICE ABOUT DEVICE ABOUT DEVICE
Device name (Cellular), Apple Watch Series 6 (44mm) (Cellular), Apple Watch Series 6 (40mm)
Device type Standalone/Fitness smartwatch Standalone/Fitness smartwatch
Gender Unisex Unisex
Predecessor Apple Watch Series 5 Apple Watch Series 5
Successor
Models Apple Watch Hermès, Apple Watch Nike+ Apple Watch Hermès, Apple Watch Nike+
Date released September, 2020 September, 2020
DISPLAY DISPLAY DISPLAY
Display size 1.78 inch 1.57 inches
Display type 1000nit, OLED 1000nit, OLED
Resolution 448 x 368 pixels 324 x 394 pixels
Pixel density
Customizable watchface Yes Yes
Input type 1 Physical button, Digital crown, Touchscreen 1 Physical button, Digital crown, Touchscreen
Always-On Yes Yes
BODY BODY BODY
Shape Square Square
Case material Aluminum, Stainless steel, Titanium Aluminum, Stainless steel, Titanium
Strap material Silicone Silicone
Bezel material Bezeless, Sapphire glass Bezeless, Sapphire glass
Strap size 24mm 24mm
Color (Stainless steel – Gold PVD, Graphite), (Titanium – Space black, Titanium), Blue, Gold, Gray, Red, Silver (Stainless steel – Gold PVD, Graphite), (Titanium – Space black, Titanium), Blue, Gold, Gray, Red, Silver
Screen protection Sapphire glass Sapphire glass
Dimension 44 x 38 x 10.4 mm 40 x 34 x 10.4 mm
Weight (44mm), 36.5g (aluminum, 30.5 grams
Waterproof rating Yes, 5ATM Yes, 5ATM
Swim-proof Yes Yes
Durability test
CONNECTIVITY CONNECTIVITY CONNECTIVITY
Bluetooth calling Yes Yes
Bluetooth Bluetooth v5.0 Bluetooth v5.0
Wi-Fi Yes, Wi-Fi 802.11 b/g/n Yes, Wi-Fi 802.11 b/g/n
NFC Yes Yes
MEMORY MEMORY MEMORY
RAM 1GB 1GB
ROM 32GB 32GB
Memory card slot No No
CELLULAR CELLULAR CONNECTIVITY CELLULAR CONNECTIVITY
Network technology GSM / HSPA / LTE GSM / HSPA / LTE
SIM type e-SIM e-SIM
NOTIFICATIONS NOTIFICATIONS NOTIFICATIONS
SMS alert Yes Yes
Calls alert Yes Yes
Email alert Yes Yes
Event reminder Yes Yes
MEDIA MEDIA MEDIA
Audio mp3/mp4 mp3/mp4
Microphone Yes Yes
Loudspeaker Yes Yes
Bluetooth music Yes Yes
Camera No No
SENSORS SENSORS SENSORS
GPS GLONASS, GPS GLONASS, GPS
Accelerometer Yes Yes
HRM Yes Yes
Gyroscope Yes Yes
Pulse Ox. Yes Yes
Altimeter Yes Yes
Barometer Yes Yes
Compass Yes Yes
ECG Yes Yes
Thermometer Yes Yes
Ambient light Yes Yes
ACTIVITY TRACKING ACTIVITY TRACKING ACTIVITY TRACKING
Steps Yes Yes
Calories Yes Yes
Distance Yes Yes
Heart rate monitoring Yes Yes
Sleep tracking Yes Yes
Floors climbed Yes Yes
Blood oxygen Yes Yes
Blood Pressure No No
Stress Yes Yes
ECG tracking Yes Yes
Fall detection Yes Yes
Menstrual cycle Yes Yes
VO2 Max Yes Yes
Onscreen workout No No
Preloaded sport modes Yes Yes
BATTERY BATTERY BATTERY
Battery type Non-removable Li-ion battery Non-removable Li-ion battery
Battery capacity
Battery life Regular: up to 18hrs Regular: up to 18hrs
Charging type Charging dock Charging dock
Charging duration 1-2 hours 1-2 hours
Solar power No No
PLATFORM PLATFORM PLATFORM
Operating system WatchOS 7 WatchOS 7
Chipset Apple Watch S6 64bits Apple Watch S6 64bits
CPU Dual core Dual core
GPU
MISC MISC MISC
Companion app Apple Watch App Apple Watch App
Compatibility iOS 12.0+ iOS 12.0+
Payment system Apple Pay Apple Pay
Customizable strap 24mm, Yes 24mm, Yes
Voice Assistant Yes, Siri Yes, Siri
Find my phone Yes Yes
Box content Apple Watch Series 6, Charger, Manual, Straps Apple Watch Series 6, Charger, Manual, Straps
Price $529.00 $699.00

Apple Watch Series 6 Features Comparison

FeaturesApple Watch Series 6
(Cellular)
Apple Watch Series 6
(GPS only)
DisplayAlways-on
1.78 inches LTPO OLED (44mm)
1.57 inches LTPO OLED (40mm)
Always-on
1.78 inches LTPO OLED (44mm)
1.57 inches LTPO OLED (40mm)
MaterialsAvailable in;
Aluminum
Stainless steel
Titanium
Available in;
Aluminum
Customize watchfaceYesYes
Storage32GB - Stream or download music32GB - Stream or download music
LoudspeakerYes
(Louder)
Yes
(Louder)
Access and download apps directly on watchYesYes
Waterproof rating5ATM
(50 meters waterproof rating)
5ATM
(50 meters waterproof rating)
Make payment on the go from watch with Apple PayYesYes
Reply notifications with preset or custom messagesYesYes
Receive alerts when you receive notifications on phoneYesYes
Cellular models allow you to make and receive calls and access the internet without connecting to your phone.YesNo
ProcessorS6 with 64-bit dual-core processor
(20% faster processor than S5)
S6 with 64-bit dual-core processor
(20% faster processor than S5)
Memoji App
You can create and share emojis as stickers in messages or share it via a link.
YesYes
Create and Share Watch Faces
You can create and share a watch face.
YesYes
Emergency SOS detects fall detection
Yes (Cellular)No
International emergency callingYes (Cellular)No
Family Setup
This feature allows family members who own an Apple Watch but don't have an iPhone to enjoy all the benefits of an Apple Watch. Multiple smartwatches can be added and managed from a single iPhone.
Yes (Cellular)No
Find My App
This feature alerts you when a family member gets home and can also be used to know the location of your kid or any other family member.
Yes (Cellular)No
Handwashing App
This app will guide you to wash your hands for up to 20 seconds inline with the global health authority's recommendations. It also reminds you to wash your hand when you get home.
YesYes
Cycling Map App
This feature will guide you to choose the best route to follow. It also allows you to search nearby places for stuff like coffee and also tells you ahead when there is an obstruction.
YesYes
Preloaded sport modes
4 new workout modes have been added that can allow you to choose your preferred workout type.
YesYes
Count steps, distance, calories, and paceYesYes
Count floors climbedYes
(Always-on)
Yes
(Always-on)
Know your orientation with compassYesYes
Track heart rhythm with the ECG appYesYes
Track cycle via the menstrual cycle appYesYes
Noise hearing app will alert you when the sound is too highYesYes
Tracks your heart rate comprehensivelyYesYes
Tracks your sleep comprehensivelyYesYes
Blood oxygen tracking
Monitors your blood oxygen to how well your blood absorbs oxygen.
YesYes
Battery lifeAbout 18 hoursAbout 18 hours

Which is Better?

The better choice for you will depend on the size of your wrist because both the 44mm and 40mm have the same features.

Need more information to make the perfect choice, watch the video below.

Prices Comparison


Apple Watch Series 6 44mm vs 40mm – Which Should You Buy?

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