Intel's 4th generation Core processors, also known as Haswell, were released in 2013. These processors improved performance and energy efficiency compared to previous generations, making them suitable for a wide range of devices, from laptops to desktops. They featured enhanced graphics capabilities and support for advanced technologies like DDR3 memory. The 4th generation Core processors introduced new power-saving features, allowing devices to run longer on battery. They also supported Intel's Turbo Boost technology, which dynamically increased processing speed when needed. Overall, these processors marked a significant step forward in computing power and efficiency for users.