The "4th generation Core" refers to Intel's line of processors, also known as Haswell. Released in 2013, these CPUs are designed for improved performance and energy efficiency compared to previous generations. They are commonly used in laptops and desktops, providing better graphics and multitasking capabilities. One of the key features of the 4th generation Core processors is their support for DDR3L memory, which allows for lower power consumption. Additionally, they include enhanced integrated graphics, making them suitable for gaming and multimedia tasks without the need for a dedicated graphics card.