Question: what is the difference between the garmin vivoactive 4 and 4s?
Answer: The new Vivoactive 4 is available in 45 mm and a model called the 4S, which is 40 mm. Both watch sizes are the same price. The only difference between the two is size and battery performance. Additionally, the 4S offers a rose gold variant while the 4 is only available in slate and silver.