The black art of platform conversions: The release candidate
Fine-tuning Some of the most common areas for fine-tuning are the loading times and memory footprint of the game. These are areas where a PC can have a noticeable advantage over consoles. Games, especially smaller PC only titles, often do not need to pay a lot of attention to the amount of memory that they use, or the time it takes to load a map. Most game PCs these days have fast hard drives or SSDs, and a lot more internal memory than is available on the current generation of console platforms. Loading times can easily fluctuate two to five times depending on both disk and CPU usage. While...
Source: gamesindustry.biz