We take a close look at the key differences between the Pixel Watch 3 and 4—comparing everything from design and performance to battery life and new features—to help you decide whether it's worth upgrading to the latest model or sticking with the previous one.

The Pixel Watch 4 won't arrive with a price increase. The 41mm version starts at $349, and the 45mm version starts at $399. Google’s sleek smartwatch line is back, and this year’s model brings a suite of upgrades designed to smooth over some of the rough edges from last year’s Pixel Watch 3.