Criticism of Windows Vista including Photoshop and WinRAR, also performed worse under Vista. Many low-to-mid-end machines that come with Windows Vista pre-installed suffer from exceptionally slow performance with the default Vista settings that come pre-loaded, and laptop manufacturers have offered to "downgrade" laptops to Windows XP—for a price. However, this "price" is unnecessary, as Microsoft allows users of Windows Vista and Windows 7 to freely "downgrade" their software by installing XP and then phoning a Microsoft representative for a new product key. When first released in November 2006, Vista performed file operations such as copying and deletion more slowly than other operating systems. Large
Comparison of Windows Vista and Windows XP manager. All of the tests were performed on a computer with a 2.93 GHz Intel Core 2 Extreme X6800 processor, 2× 1024 MB DDR2-800 RAM, HIS Radeon X1900XTX IceQ3 graphics card, 150 GB Western Digital WD1500ADFD hard drive and a Gigabyte GA-965P-DQ6 motherboard. Scientific paper about performance evaluation of recent Windows operating system performance concludes that Windows Vista doesn't provide a better overall performance on the high-end computer system compared to Windows XP. Some performance improvements can be seen in memory management and graphics display, but other parts of OS have equal or lower performance than Windows XP. On the