https://wccftech.com/apple-watch-series-4-vs-series-3-specifications-features-price-comparison/

Following in the footsteps of the new iPhones, the Apple Watch Series 4 is pricier than the previous generation which makes one wonder if it is worth shelling out for one or should you make do with the earlier models? Let us find out.

The first noticeable change from the Apple Watch series is an increase in case size from 38mm and 42mm to 40mm and 44nm, giving the watch nearly 32 and 35 percent, respectively, greater screen estate to display more things simultaneously. Though the resolution has been increased, the display looks about just as sharp as the Series 3’s screen and at 1000 nits, the peak brightness level is also the same.