
SuperFetch runs some algorithms to analyze your habits and automatically loads the relevant data to the main memory (RAM). However, a precursor called PreFetcher existed on Windows XP. It is another goodie which came with Windows Vista. The real driving force behind it is SuperFetch – a disk cache management system in Windows that speeds up your system.

Now, ReadyBoost is a feature that allows the system to store required data in an external media for some time. Also Read: How To Use SD Card As Internal Storage On Android | Adoptable Storage On Android How ReadyBoost works? You won’t be able to speed up Windows using ReadyBoost on machines having faster hard drives. The problem has continued to lessen in the case of modern magnetic drives which are faster and run at around 7,200 RPM or above. Thus, hard drives are faster when performing sequential data reads but lag behind flash drives while performing non-sequential data read operations. That’s because the hard drives read data using a mechanical arm which is not the case of the flash drive.
