1. Processor.
Apple Watch 3, 4, 5, respectively, using Apple's self-developed Apple W2 (dual-core) S4 (dual-core 64-bit), S5 + W3. For the chip, certainly the newer the stronger the performance, but to tell the truth, we use, it is very difficult to feel the three chip The performance gap between the three chips is only different in terms of the features they support.
2, storage.
The Apple Watch 3 has 8GB of storage, the Apple Watch 4 has 16GB of storage, and the Apple Watch 5 has 32GB of storage.
The bigger the storage, the more files you can store. The larger the storage, the more files you can store.
3. System and adapted phones.
Apple Watch 3, 4, and 5 require iPhone 6s or a newer model, and the phone needs to have iOS 13 or a newer system installed on it. So those holding a pre-iPhone 6s can give up.
4. Screen.
Three watches are used OLED screen , of which, Apple Watch 3 is divided into 38mm and 42mm two models, Apple Watch 4, 5 is divided into 40mm and 44mm two.
5. Key features.
Series
3 only supports optical heart rate sensor; Series
4 upgraded to the second generation of optical heart rate sensor, and added electrode-type heart rate sensor, the digital crown supports haptic feedback, and added fall detection. It's worth noting that the Series
4's ECG detection feature is FDA medical device cleared.
This means that it can provide data from a professional medical device for a doctor's reference (which has been emasculated in the Chinese version). Bluetooth support has also been upgraded from 4.2 to 5.0.
The Apple Watch is a smartwatch announced by Apple on September 10, 2014, and is available in three differently styled collections: the Apple Watch, Apple Watch Sport, and Apple Watch Edition.
On March 10, 2015, Apple announced the Apple Watch (1st generation), featuring a man-made sapphire crystal screen with Force Touch touch technology, available in a variety of colors.On September 10, 2015, Apple introduced several new versions of the Apple Watch, including new colorways, a Hermes version of the leather strap.
As well as a variety of color bands.On September 13, 2017, Apple held the 10th anniversary of the iPhone conference and released the Apple Watch Series 3. On September 13, 2018, the 2018 Apple fall conference released the Apple Watch Series 4 and many other products.
2019 Apple fall event, Apple introduced three new iPhones, as well as Apple Watch Series 5. 2020 September 16, 2020 Apple fall event, Apple Watch Series 6 and Apple Watch SE released .
On June 25, 2021, the service is enabled to do ECGs on the Apple Watch.
September 15, 2021, Apple Watch Series 7 is released at the Apple Fall 2021 event.