Explore our comprehensive Socket LGA 1155 CPU list with key specifications. Compare models to choose the ideal processor for your PC build.

LGA 1155, also called Socket H2, is a zero insertion force flip-chip land grid array (LGA) CPU socket designed by Intel for their CPUs based on the Sandy Bridge (second generation core) and Ivy Bridge (third generation) microarchitectures.

Dec 4, 2022 · The LGA 1155 socket is a CPU socket designed by Intel Corporation for their second-generation Core i3, i5, and i7 processors based on the Sandy Bridge microarchitecture. The socket supports dual-channel DDR3 memory and is used on motherboards based on the Intel 6-series chipset.

Socket 1155, also called LGA1155, or socket H2, is a Land Grid Array socket that superseded socket 1156. The LGA1155 was introduced in January 2011 along with second-generation Core CPUs, built on Sandy Bridge microarchitecture.

Mar 14, 2025 · The most powerful CPU for the LGA 1155 socket is the Intel Core i7-3770K. It comes with 4 cores and 8 threads with hyperthreading technology, which makes it suitable for demanding tasks like video editing and 3D rendering.

Mar 10, 2025 · The LGA 1155 socket, also known as Socket H2, holds a special place in the history of computing. The LGA 1155 socket supports Intel Celeron, Pentium, Core i3/i5/i7, and Xeon CPUs. The fastest is the i7-3770K, with 4 cores and 8 threads—great for gaming and multitasking on compatible motherboards.

Oct 25, 2024 · LGA 1155 CPUs offered better speed and power use than older models. The LGA 1155 socket was used for Intel’s second and third generation Core processors. It replaced the older LGA 1156 socket.

May 13, 2022 · Intel’s LGA 2011 socket arrived after 1155 and served as Intel’s extreme high-end chipset for Sandy Bridge-E/EP and Ivy Bridge-E/EP processors.

Jan 31, 2024 · LGA 1155 is also an Intel microprocessor socket but based on Sandy Bridge (2nd-Gen, 32nm, 2k-series) and Ivy Bridge (3rd-Gen, 22nm, 3k-series) microarchitectures. LGA 1155 equips with 1155 protruding pins to contact the processor pads.

Nov 20, 2024 · LGA 1155 sockets primarily support DDR3 memory, which has now been mostly phased out in favor of DDR4 and DDR5. The increased bandwidth and reduced latency of newer memory standards directly contribute to system performance, especially …