* More voices (instruments): 758 vs. 622
* More styles: 200 vs. 156
* More effects: 12 vs. 6
* A built-in song recorder
* A USB port for connecting to a computer
The PSR-E453 is also slightly more expensive than the PSR-E413, but it is still a very affordable keyboard. It is a good choice for beginners who are looking for a keyboard that they can grow with, or for intermediate players who are looking for a more affordable alternative to higher-end keyboards.
Here are some other keyboards that are similar to the Yamaha PSR-E453:
* Casio CTK-6250
* Roland E-X20
* Korg KROSS 2-61