Apple Watch Series 4 vs Apple Watch Series 3: Comparison

A new Apple Watch has been released and is now available in stores. We’ve compiled all the Apple Watch Series 4 and Apple Watch Series 3 specs in one place for you. The comparison will easily make you comprehend how much improved the new Apple Watch is.

The Displays

The Apple Watch Series 4 has a definite smaller, 40mm with a 394 x 324 display, compared to the 312 x 290 panel on the 42mm Series 3

Its OLED display happens to be even more spectacular than the Series 3’s OLED display. It accommodates seamlessly to the edges of the watch to provide over 30 percent more space. However, the Series 3 still retains its bright display which is sufficient for most of the users.

The new update uses an additional technology called LTPO to improve power efficiency to the max. So, despite the size, it won’t drain Apple Watch’s smaller battery.


Since the Apple Watch made its debut in 2015, the very first noticeable change to the device’s design can be seen in the new version in 2018.

Apple Watch Series 4 being comparatively slimmer than Series 3, can now boast a new Digital Crown that utilizes haptic feedback in order to deliver a precise and click-like feel as you scroll through. It also features a new speaker-addition that’s 50 percent louder than the previous Apple Watch.

Apple Watch Series 4 also happens to be the first Apple Watch with a rear that’s comprised entirely of black ceramic and sapphire crystal. This enables radio waves to pass through more conveniently for an improved cellular service experience.


The Apple Watch Series 4 is glaringly expensive, let’s get one thing straight. The smaller model retails at $399, or $499 with added cellular connectivity. $429 for the bigger 44mm model and $529 for the LTE version.

The Apple Watch Series 3 is downright affordable by comparison, retailing at $309. If budget is your main concern, Apple Watch Series 3 will be right choice for you.


The new Apple Watch comes in two aesthetic finishes (stainless steel and aluminum) and three alluring colors (space gray, silver or black and gold). The Series 3 is currently available only in silver and space-gray aluminum now. However, you can still get your hands on last year’s gold aluminum color.

Health features

The biggest difference between the two Series is that the new model is capable of delivering on-demand electrocardiograms. With just a slight tap, it can flawlessly measure your heart’s electrical signals and create an ECG waveform in a little under 30 seconds. On other hand, both of these watches maintain its water-proof features.

Battery life

Despite all the new additions, Series 4 still maintains the same battery life of up to 18 hours on a single charge as its predecessor.


Series 4 is available with or without cellular connectivity just like Series 3. You can although save money by purchasing the GPS version if you don’t require LTE.

It’s also worth a reminder that you can’t make calls on your Apple Watch or receive any notifications when you leave your iPhone behind if you don’t have a cellular model.


In conclusion, Series 4 definitely has more advanced sensors, easier-to-use, larger display and also the potential to become even more efficient with added software features. If you have the dough, go and splurge on the Series 4.