The Macbook Pro Mid 2012 has a better storage medium than most notebook PCs that are a similar age to it. This portable PC has an HDD storage media, whereas most MacBooks that came out around the same time as it have an SSD storage media. HDD is a traditional storage drive which stores the information on magnetic disks. HDD drives are slower than other forms of storage such as solid state drives (SSD) and flash drives.
This notebook PC's storage medium (HDD) is actually the worst storage medium amongst all portable PCs that have been available for a comparable time to the Macbook Pro Mid 2012.
Amongst comparable types of notebook PC the best storage medium is SSD.