How much better than the Apple Watch Series 9 is the Series 10? We explain what's different and whether you should upgrade, or take advantage of a deal on the older model.

Apple's new Watch Series 10 is a giant leap over much older models because of the small advances along the way.

Unlike the Watch Series 10, the Pixel Watch 3 features two processors: the Snapdragon Wear 5100 (4nm) SoC that processes all the information and showcases it in apps and another Cortex M33 co-processor that handles all the lighter tasks, including the watch faces and always-on display.

Apple Watch Series 10 (42mm, GPS) for $376 at Amazon, down from its usual price of $399. That's a discount of 6% and its lowest price yet. Opens in a new window Credit: Amazon Apple Watch Series 10 (42mm,