Going to guess it was:
"128GB and 256GB/Intel i5 version:
4th generation Intel Core i5-4300U 1.90 GHz (with Turbo Boost Technology up to 2.9GHz) with Intel HD Graphics 4400"

Esp. the Intel HD 4400, this does not provide sufficient hardware to run FFXIV even at decent settings. If anything, it might've had a change with the 8GB Model.
Play around with the settings in the Benchmark, otherwise, it's probably wise to save up for a laptop instead if you plan to play away.

Other option is to just use RDC/Teamviewer to connect to your Desktop at home. But, that's stilll............eh.