"Apple is also working on its first low-cost iPhone since the iPhone SE. That could come out as early as the first half of 2020, the people said. The device would look similar to the iPhone 8 and include a 4.7-inch screen." -- https://www.bloomberg.com/news/articles/2019-09-05/apple-wor...

According to gsmarena.com iPhone 8 is 4.7" and SE is 4.0"