If you're after more storage, the HP Pavilion 17 offers up to 2000 GB storage compared to only 500 GB in the ASUS X555LA. The HP Pavilion 17 has a larger base core processing frequency at 2.8 GHz. The HP Pavilion 17 has the potential for more processing cores inside with up 6 cores.
There is more ram in the HP Pavilion 17 with up to 16 GB configurable.
The HP Pavilion 17 has the newer model out of the two, being released on the. The lighter of the two laptops is the ASUS X555LA at 2.3 kg compared with 3.07 kg. The HP Pavilion 17 has a larger screen at 17.3 inch than the ASUS X555LA that has a 15.6 inch screen. The HP Pavilion 17 and ASUS X555LA have different specs. Specifications comparison between the two laptops