I have a Dell Lattitude N5030, I want to upgrade it to something much more powerful. Is the Toshisba satellite S55-B5289 good or is the HP ProBook 450 G1 better? Considering the Tosiba has a i7 but has a Intel(4600 i believe)HD and the Pro book has a i5 but a amd radeon and 4600 Intel Hd. Can anyone help?