apple watch series 4 - top best smartwatches for men

Apple Watch Series 4 Full Specifications and Features

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Last Updated on March 31, 2020 by Jude Simeone

The new Apple watch series 4 released September 2018 comes with a better and classic design, a bigger display, a new ECG feature and a host of other really amazing features. It is the latest addition to the Apple watch series. Like its predecessor, it runs on Apple’s proprietary platform. Ray at DCRainmaker did a very in-depth review of Apple watch series 4 that talks about everything about this classy timepiece. The full specifications of Apple watch series 4 portrays it as possibly the best smartwatch yet.

apple watch series 4 full specifications
The new infograph watch face

Apple Watch Series 4 Full Specifications

Apple Watch Series 4
apple watch series 4 vs


4.7 out of 5 stars (4.7 / 5)
3 out of 5 stars (3.0 / 5)
Fitness tracking:
4.7 out of 5 stars (4.7 / 5)
4.5 out of 5 stars (4.5 / 5)
4 out of 5 stars (4.0 / 5)
4.2 out of 5 stars (4.2 / 5)


Check @ Amazon


Device nameApple Watch Series 4
Device typeSport/Fitness smartwatch
PredessesorApple watch series 3
SuccessorApple Watch Series 5 (44mm)
Released dateSeptember, 2018
Ideal forUnisex


Display typeLTPO OLED
Display size1.78 inches (44mm)
Display resolution448 x 368 pixels (44mm)
324 x 394 pixels (40mm)
Pixel density--
Input typeTouchscreen
a button and a
digital crown
Customizable watch faceYes


Dimension44 x 38 x 10.7 mm (44mm)
40 x 38 x 10.7 mm (40mm)
Weight48 grams (44mm)
Casing materialStainless steel frame
All ceramic/
sapphire crystal back
Strap/band materialElastomer
Bezel MaterialCeramics
Strap size125 - 210mm
Interchangeable band Yes
Screen protectionSapphire crystal glass
Water resistant/ProtectionYes, IP68, 5ATM
Swim-proofYes, recommended
Color(s)Black, silver, gold


Internal storage16GB
Memory card slotNo


BluetoothBluetooth v5.0
Bluetooth callingYes




Email alertYes
SMS alertYes
Calls alertYes
Event reminderYes
Third-party appsYes


Sleep apneaNo
Sleep trackingYes (Third-party app)
Floors climbedYes
Heart rate monitoringYes
VO2 Max.Yes
Blood oxygenNo
Blood pressureNo
Menstrual cycle trackingNo
Swim trackingYes
Under-water heart rate trackingNo
Preloaded mapsYes
On-screen workout modesNo
Triathlon modeYes
ECG TrackingNo
Preloaded sport modesYes
Safety trackingYes


Music streamingYes
Bluetooth musicYes


Heart rate monitor (HRM)Yes
Gyroscope Yes
Ambient lightYes
Pulse OximeterNo
ThermometerYes, (App)
Other sensors__


Operating system (OS)WatchOS 5.0
ChipsetApple S4, 64bit
CPUDual core


Type of batteryNon-removable Li-ion battery
Battery capacity --
Battery lifeStandby :2 days + , Mixed usage: 1 day+
Charging typeMagnetic charging
Charging timeAbout 1-2 hours
Battery saver modeYes
Solar powerNo
Rapid charging_




Control cameraYes
Music controlYes
Find phoneYes
Text responseYes


Payment systemApple Pay
Compatibility iPhone 5s+
iOS 12+
Companion appApple watch APP
Voice commandYes


Apple Watch Series 4
Magnetic charging cable + USB adapter
Quick start guide
NOTE: We can't guarantee that all the information on this table are 100% correct. Read full disclaimer. Please, report an error.

Apple Watch Series 4 Features

  1. Design
  2. Apple watch series 4 is not leaving out the companies hallmark design which has made it a worldwide hit, but yet this time they went even further delivering an artistic design that sparks class. The display is bigger now than the series 3, yet its thinner at 10.7 mm in thickness and comes in two variants, a 44mm and 40mm case respectively. It features a 1.78-inch display screen which is powered by OLED retina display with an additional LTPO technology which the company says helps in reducing battery consumption which lets you go even longer on a single charge.

    The case is built for durability with stainless steel with an all ceramics-sapphire crystal back, there is another version which features an aluminum casing, while the band is made of elastomer material which comes in different sizes and can be customized to your choice.

    The watch face on the series 4 is quiet more intuitive, it has a new infograph watch face that is capable of displaying up to 8 different complications. This allows you to see more at a glance.

    Just like Apple watch series 3, the series 4 comes with a digital crown that was invented to help navigate the Apple Watch without obstructing the display, but this time it features a haptic feedback mechanism that delivers a precise click-like feel as you scroll.

  3. Battery Life
  4. Apple watch series 4 has lots of upgrades and features built into it, one would expect the battery life to be short compared to the series 3, but its has a slight longer battery life. It features a lithium-ion battery that is adjudged to stay up for about 18 hours, not so great, but considering the list of upgrades and features in this device, it’s quite great. You’ll need to power up every day.

  5. Memory/Media
  6. Apple watch series 4 supports both mp3 and mp4 files while featuring a massive storage space of 16GB an upgrade from the series 3 which had 8GB this enables you to store your favorite tracks, videos, and other files. The series 4 has a loudspeaker, which means you can play aloud your favorite media files or alternatively listen through a Bluetooth enabled earbud.

  7. Waterproof Rating
  8. The Apple Watch Series 4 has a 5ATM waterproof rating. It is waterproof up to 50 meters, it can be worn to the swimming pool or ocean, under the rain, in the shower, however, subjecting the series 4 watch to high pressure and force might damage it. It is also advised that you get the device dried up after getting it wet in other to get the best feel.

    The screen is scratch-resistant protected with sapphire crystal glass.

  9. Fitness Tracking Features
  10. Apple watch series 4 has lots of fitness tracking features built-in, it gets to do even more with an improved accelerometer, gyroscope and a new ECG technology. The ECG feature on the series 4 lets you take electrocardiogram readings by simply placing your finger on the digital crown for 30 seconds, the device then stores the resulting electrocardiogram readings in the health App which you can share with your doctor. The ECG feature on the Apple watch series 4 has FDA clearance but not approved and shouldn’t serve as an alternative or replacement to the ECG you get from a doctor, though this feature is currently limited to the United States.

    The Apple Watch works in three different modes, the move mode tells how many calories you have burnt while working out, the exercise mode shows you how much of activity you have achieved and finally, the stand mode takes care of sedentary periods, reminding you to work.

    With the apple watch series 4 you can track different fitness activities, which includes;

    • It tracks calories burnt after a workout.
    • It has an optical heart rate monitor sensor which is capable of detecting heart rate pulse changes to help you keep up with the general health of your heart.
    • Tracks steps you climbed.
    • It is capable of tracking your sleep.
    • It is also capable of reminding you of sedentary times and encourages you to walk.

    There is a competition feature on the Apple watch series 4 which allows you to compete, invite your friends to a competition, it also tells you if you are ahead or behind in a competition this off course will increase your determination. There is also a prize for every accomplished fitness activity achieved.

  11. Notification Features

The Apple watch series 4 is capable of notifying you when there is a notification on your iPhone, which includes;

  • It notifies you when there is a missed call or an incoming call.
  • It also notifies you when there is a new message on your smartphone.
  • It notifies you when there is a notification from third-party applications such as Facebook, Twitter…

A version of the Apple watch series 4 has 3G cellular functionality which enables you to call, send messages right from your wrist making it a standalone smartwatch. So you can make and answer calls, there is also a walkie-talkie feature that lets you call anyone with a walkie-talkie right from the series 4. There is a loudspeaker and a microphone at adjacent positions in the series 4 which the company says improves voice calls.

The Apple Series 4 comes with a branded S4 chip, a complete Silicon in Package (SIP), which the company says is 2x faster than the S3 chip found in the series 3. AS of the time of writing this post, the actual RAM on the Apple watch series 4 is not known yet, though it’s expected that it will not be less than the 768MB RAM size of the Apple watch series 3.

The Apple watch series 4 is compatible with iPhone 5s or later and iOS 12 or later. It is not compatible with android or windows smartphones.

  • The design is fabulous and represents class.
  • The S4 chip makes the device respond even faster.
  • The body is built for durability with durable materials.
  • The straps can be changed and customized to your choice.
  • There is an ECG feature that lets you take heart pulse readings.
  • A comprehensive fitness tracker.
  • Voice calls are now clearer with the new design.
  • The new infograph watch face lets you see more at a glance.


  • It is not compatible with android smartphones.
  • It is quiet expensive

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