Difference Intel Socket : LGA 775, LGA 1156, LGA 1155, LGA 1150 And LGA 1151

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Techhic.com – When looking for a computer or upgrading it should be considered sockets on a motherboard that are compatible with the performance we want.

What is a motherboard socket? Socket or can also be referred to as a connector / holder that is on a motherboard is a place to connect or install computer components such as HDD, graphics cards, sound cards and other peripherals. One type of socket that must be known for type, series and type is the socket for the processor.

As is known advanced processor technology very rapidly to pursue it, the motherboard must also develop by providing technology that can be used to support the latest processor performance produced by processor manufacturers such as Intel and AMD. Each different processor technology requires a different socket. Currently the most commonly used on motherboard products are socket types T, H, H1, H2 ,H3 and H4.

Each has different characteristics from each other. Because of these differences, each socket cannot be replaced by its function, for example buying any processor that is different from the socket that supports it. Therefore, let us know a little about the differences between socket sockets. Not all will be reviewed, only the most frequently used.

Read Also : Here it is 3 Series of the Fastest Core i9 Processors

LGA 775 Socket

LGA 775 (LGA = Land Grid Array). This socket is intended for the Central Processing Unit (CPU) desktop. This socket is very different from the previous generation socket in the form of socket holes to plug the legs of a very large number of processors.

This socket no longer has a hole, but a pin that stands out with a total of 775 pins. These pins are touch points with the processor at the bottom. This quite old school socket was once very famous. Every product with the “Intel Inside” logo must have used this type of socket. Series of products compatible with T or LGA 775 socket are:

  • Intel Pentium 4 (2.60 – 3.80 Ghz)
  • Intel Pentium 4 Extreme Edition (3.20 – 3.73 Ghz)
  • Intel Pentium Dual Core
  • Intel Core 2 Duo, Intel 2 Extreme, Intel 2 Quad
  • Intel Xeon
  • Intel Celeron
Previous generation:
  • LGA 478 Socket
Successor:
  • LGA 1156 Socket
  • LGA 1366 Socket

LGA 1156 Socket

The successor of LGA 775 is LGA 1156 or also known as socket H / H1. This socket is designed to improve the performance of LGA 775 by integrating the entire system on the processor itself, whereas before, on the LGA 775 socket, the processor was connected to the Northbridge using the Front Side Bus. Integration of features contained in Northbridge into the processor itself including:

  • PCI-Express 2.0 x 16 which functions to communicate with a graphics card
  • DMI to communicate with the Platform Controller Hub (PCH)
  • FDI consisting of 2x DisplayPort
  • Two lines for communication with DDR3 SDRAM.

LGA 1156, LGA 1366 socket and processor were stopped around 2012, and replaced by LGA 1155 socket.

Processors Supported by LGA 1156:

All LGA 1156 socket processors and motherboards made to date are interoperable, making it possible to switch between Celeron A, Pentium, Core i3 or Core i5 with integrated graphics and Core i5 or Core i7 without graphics.

However, using a chip with integrated graphics on a P55 motherboard (other than the possibility of needing a BIOS update) does not allow the use of an on-board graphics processor, and also, using a chip without integrated graphics on the H55, H57 or Q57 motherboards will not allow the motherboard graphics port .

LGA 1155 Socket

LGA 1155, also called Socket H2, is an Intel socket compatible microprocessor that supports Intel microprocessors Sandy Bridge and Ivy Bridge.

This socket is not compatible with high performance processors for Intel desktops and servers designed for LGA 2011 sockets.

LGA 1155 was designed as a replacement for LGA 1156 (known as Socket H). LGA 1155 has 1,155 protruding pins for contact with bearings on the processor.

The pin is arranged in an array of 40×40 with a center of emptiness (the center of the emptied socket) 24×16; further 61 pins were removed, 2 pins side by side with the emptied center and 59 in the surrounding groups, which produced 1600-384-61 = 1,155 the number of pins.

Processors from LGA 1155 and LGA 1156 sockets are not compatible with each other because they have different notch sockets.

However, a compatible cooling system between the two LGA 1155 and LGA 1156 sockets, because as processors, they have the same dimensions, profiles and construction, and the same heat production.

Integrated USB 3.0 support is available on the Z75, Z77, H77, Q75, Q77 and B75 chipset intended for Ivy Bridge CPU. See the list of Intel chipset for a complete list of socket 1155 chipset.

In the next generation, LGA 1150 was later launched to replace LGA 1155.

Furthermore, LGA 1150 is divided into two types of chipsets:

  • Sandy Bridge Chipset
  • Ivy Bridge Chipset

Sandy Bridge Chipset

All Sandy Bridge chipset, except Q65, Q67 and B65, support Sandy Bridge and Ivy Bridge CPU but must first upgrade BIOS. Sandy Bridge based processors officially support up to DDR3-1333 memory, but in practice memory speeds up to DDR3-2133 have been tested and worked successfully on this chipset.

The H61 chipset only supports one two-sided DIMM per-channel memory and is therefore limited to 16 GB instead of 32 GB as supported by other chipsets. On motherboards with four DIMM slots, only four single-sided DIMMs can be installed.

The following is a comparison table on the LGA 1155 Sandy Bridge chipset feature taken from Wikipedia:

Ivy Bridge Chipset

All Ivy Bridge chipsets and motherboards support Sandy Bridge and Ivy Bridge CPUs. Ivy Bridge based processors will officially support up to DDR3-1600, up from DDR3-1333 from Sandy Bridge. Some Ivy Bridge consumer chipsets will also allow K-series processor overclocking

The following is a feature comparison table for each Ivy Bridge socket LGA 1155 chipset:

LGA 1150 Socket

LGA 1150 also known as Socket H3, is an Intel micro-processor compatible with sockets that support the Haswell processor series and the Broadwell series thereafter.

LGA 1150 is also designed as a replacement for LGA 1155 (or what we know as Socket H2). LGA 1150 has 1,150 pins to make contact with the processor foot base.

Read Also: Differences between AMD and Intel, Advantages and Disadvantages of Intel vs. AMD

The cooling system between LGA 1155 socket and LGA 1156 socket is compatible with LGA 1150 socket, because they have the same distance as each bolt hole (ie at a distance of 75 millimeters).

All motherboards with LGA 1150 sockets support various types of video outputs (VGA, DVI, HDMI – depending on each model) and also support Intel Clear Video Technology.

The chipset for LGA 1150 is given the Lynx Point code name. Intel Xeon processor for LGA 1150 socket uses Intel C222, C224, and C226 chipsets.

The following are chipset tables that use Intel LGA 1150 sockets:

LGA 1151 Socket

LGA 1151 also known as Socket H4, is the latest Intel socket design in 2015 yesterday and is now still used for the 7th generation Kaby Lake processor. It is designed to accept a new class of 14-nanometer Skylake processors, the sixth generation design core with product names in the 6000 series. This socket design supports six different chipsets, from lowest power to highest: H110, B150, Q150, H170, Q170, and Z170 . While the latest chipset has a number 2 in front of it, such as Q270, H270 and Z270.

When compared to a slightly older chipset, LGA 1150, all support USB 3.0, DDR4 RAM DIMM and for low-end chipsets. Native VGA is supported on LGA 1151, with the Intel option for DVI, HDMI, or DisplayPort, but a VGA connection can be added with the manufacturer.

All LGA 1151 chipsets except for the Z170 are limited in terms of overclocking with the GPU except overclocking the CPU or RAM, you have to choose for high-end chipsets. SATA support for RAID is included only on H170, Q170, and Z170 chipsets, and only Q170 adds support for Intel Active Management, Trusted Execution, VT-d and vPro. Support for this technology depends on a compatible sixth generation core processor.

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