Question: what is the difference between a series 3 and a series for apple watch?
Answer: The Apple Watch Series 3 has a dual-core processor called the S3 under its hood, coupled with a wireless chip called the W2. The GPS only model has 8GB of memory, while the GPS and Cellular model has 16GB of memory, as well as LTE connectivity. ... They also have the next generation wireless chip called the W3.