But the i5 processor is mainly found in most of the high-end laptops. i7 is for people who require the best performance from their machines. On the other hand, the i9’s are even more powerful than i7’s.
You can always upgrade the RAM of your new laptop. Almost all devices have a minimum RAM of 4GB. However, if your usage involves heavier applications, you should consider at least 8GB or 16GB of RAM.