Today alongside the new iPhone XS, XS Max and the XR, Apple first introduced the new Apple Watch Series 4. The fourth generation of the watch sees a major revamp in its specifications and the most visible external design change to date.

Inside the new Apple Watch 4, we see Apple transition to a new SiP (Silicon in Package) design with a new S4 SoC containing for the first time a custom Apple designed CPU and GPU. We don’t have much information on the specifications here other than the new dual-CPU is 64-bit capable and is promised to perform twice as fast as it’s predecessors – which used Arm’s Cortex A7.

It’s to be noted that the 64-bit part of the new CPU might not be as clear as one might think, as there’s been some evidence (Credit @KhaosT) that the Watch might be running in ARM64_32 mode, which would be a 32-bit submode of AArch64 that allows for 32-bit pointers while retaining the ISA advantages of AArch64. Such a mode would be most optimal for a low-memory device such as smartwatch.

Prior generations of the Apple watch used a variation of an Imagination SGX core. For the S4 again Apple claims it’s a new custom GPU – again we don’t have any details here other than what Apple talked about in the presentation.

Finally the new S4 SiP includes new accelerometer and gyroscope functionality that has 2x the dynamic range in terms of measurable values, as well as able to sample data at 8x the speed. What this allows Apple to do is to collect a lot more data at higher accuracy and try to determine the scenario that you’re in. For example Apple claims the new watch is able to discern between falling, tripping and slipping just based on the movements that the person makes – whose detection is now enables  by the new hardware sensor capabilities.

The new watch comes in 40 and 44mm sizes, and is fully compatible with prior generation Watch bands.

The core new characteristic of the new watch is the larger screen which now achieves a higher screen-to-body ratio on the watch. This is actually a pretty great improvement as the new screen feels a lot more pronounced.

To emphasize the new screen, Apple provides new watch faces with configurable information. Here the new watch allows for up to 8 complications which are at the disposal of the user. There’s also several new animated wallpapers available – these are pre-recorded videos that just play back on the watch face.

The new watch has also lost some of its thickness as it’s now 10.7mm versus the series 3’s 11.4mm. Here I’m still hoping one day we can see even thinner models, as it’s my personal least favourite aspect of smartwatches in general. Even though its thickness got reduced and it offers more performance and features, the new watch is said to maintain the same battery life longevity as its predecessors.

The sides of the watch have also changed quite a bit. On the left side we now have a larger speaker grill; Apple promises the new speaker to be a lot louder and surprisingly so for a watch. Unfortunately during the loud hands-on this was quite hard to evaluate.

On the right side we see the microphone being relocated between the button and the crown dial. The reasoning here is to reduce echo effects from the new more powerful speaker. The crown has been improved and now gives haptic feedback, trying to mimick the  “clicking wheel” feel such as in more mechanical dials, or more aptly, the clicking of a mouse wheel when you scroll with it. The haptics here are enabled not by the crown itself, but by a vibration motor inside the watch.

On the back of the watch we don’t see much visible changes, however we now find a new improved optical heartrate sensor which is able to detect the heart rhythm.

What’s actually the most interesting in terms of the health monitoring capabilities of the new watch is that it actually includes for the first time ever a ECG (electrocardiogram) functionality in an over the counter consumer device. Here all you have to do while wearing the watch is to touch the crown – which serves as an anode and closes the loop created across your arms and heart.

Apple was very proud to be the first consumer device to enable this and had even received approval by the US FDA. It’s to be noted that this will beg some questions on how the feature will be implemented in other regions, as using and advertising such medical monitoring features might be disallowed if you don’t have regulatory approval.

Apple definitely is leading the smartwatch sector by a significant margin, and the company was even keen to point out that the Apple Watch is the most popular watch overall as well (Though that’s just because there’s no one dominating classic watch in a similar position).

The new Apple watch with GPS is available for $399 and the LTE variant comes in at $499 and are both available starting September 17th, with preorders starting this Friday the 14th.  Overall I found the new Apple Watch 4 a lot more attractive than its predecessors – though it’s still a quite steep price point.

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  • melgross - Thursday, September 13, 2018 - link

    It saved my life a few months ago when it said that my resting heart rate was high (120), and that I should seek medical attention. In the emergency ward, I was told that if my watch hadn’t warned me, in a couple of days I would have had a heart attack.

    People think that the only sign is pain when it occurs, but that’s wrong, it builds for several days without most people feeling much of anything, and then it “suddenly” happens. The watch caught it early.
    Reply
  • id4andrei - Thursday, September 13, 2018 - link

    And if you had a fitbit/garmin/etc. would it not alarm you? Please, this sounds like those advertorials where AW saves the day. Reply
  • solipsism - Saturday, September 15, 2018 - link

    Which FitBit and Garmin do you think offers the same feature? Reply
  • sharath.naik - Thursday, September 13, 2018 - link

    When will any one use the band to store more battery/solar charging?. seems like a logical choice. Reply
  • 0iron - Thursday, September 13, 2018 - link

    Kinetic charging is more suitable for a watch than solar charging Reply
  • WorldWithoutMadness - Thursday, September 13, 2018 - link

    Count it on paper and you'll know that's impossible. Automatic mechanic watch, yes possible, smartwatch? With that form factor... you can win a noble prize if you can do it with kinetic and the watch is more or less same size. Even crank charger is tiring enough for charging mobile phone Reply
  • V900 - Thursday, September 13, 2018 - link

    Jeez, 399$ and 499$?!?

    That’s a pretty steep price increase! 70 dollars more for the base version and 100 dollars more for the LTE version, compared to when Apple Watch 3 launched.

    I doubt they’ll move a lot at those prices, considering that in previous quarters the older, cheaper versions of Apple Watch vastly outsold Gen. 3 Watch.

    Heck, even the lowly Fitbit sold more than the Apple Watch Gen. 3.
    Reply
  • tipoo - Thursday, September 13, 2018 - link

    And then look at what it is in Canada Bucks :/ Reply
  • ingwe - Thursday, September 13, 2018 - link

    The fit bit is a pretty different market (depending on the model at least) so that doesn't surprise me. I bought a fitbit alta hr a year or so ago and wouldn't consider buying an apple watch at all due to the price being so different. Reply
  • name99 - Thursday, September 13, 2018 - link

    That's probably why they'll continue selling the model 3, duh.

    EVERY FSCKING YEAR! Apple releases something new, and the idiot brigade complain that it costs too much, while ignoring the fact that in a year it will still be sold (and cost less), and then a year later still sold (and cost even less).
    It's almost like they don't actually care about reality, they just want to whine for the sake of whining...
    Reply

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