The Asus X551MA has a better processor family than most portable PCs of a similar age and spec to it. This notebook PC has an Intel Celeron processor family, whereas most many processor core laptops that were released one year ago have an Intel Core i7 processor family.
An Intel Celeron processor family is actually the worst processor family across all many processor core laptops that have been around for a comparable time to the X551MA.
The best processor family amongst similar types of portable PC is Intel Core i7-4xxx.
We think you might also be interested in some of the other portable PCs that have an Intel Celeron processor family currently available including the Aspire E5-411, or the Aspire ES1-512 both from Acer or the Lenovo G50-30 which has a better Rating.
If you are looking for a portable PC with a better processor family then you might also want to consider the Asus F751MA (Intel Pentium), the Toshiba Satellite C55-B (Intel Pentium), or the Medion AKOYA E6239 (Intel Pentium) which also has a higher rating.