Maximizing the target audience. With the game's brightly colored visuals and low hardware demands, the creators of Sims 4 want to reach as wide a player base as possible. Was the undertaking a success? Read our benchmark article to find out.
http://www.notebookcheck.net/Sims-4-Benchmarked.125840.0.html
How Intel Iris Plus Graphics 640 runs the sims 4?
You can always look for similar GPUs, the 640 we tested later and it was playable in high settings, but just barely, so medium settings should run fine.