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Apple Watch Ultra 4 vs Series 12: Full Comparison
The Apple Watch Ultra 4 and Series 12 share almost every software feature this year. The differences are all in the hardware: battery, GPS, satellite and price. The comparison comes from the5krunner, an independent endurance sports technology publication that has covered GPS watches, fitness trackers and cycling computers since 2010.
This site provides a summary. Read the source original for the full article.