Lga 1156 socket: Computer parts, laptops, electronics, and more

19 июля, 2021

LGA 1156 CPU list, Xeon processors and specs


Published by: Modified by: Category: Intel CPUs

The LGA 1156 socket, also known as Socket H, was introduced by Intel in 2009 and was widely used for their mainstream and high-end processors, including the first-generation Intel Core i3, i5, and i7 processors.

Socket has 1156 pins, arranged in a rectangular grid, and supports dual-channel DDR3 memory. It also supports Intel’s Hyper-Threading technology, which allows for more efficient multitasking and increased performance.

Socket features LGA 1156

Close-up of a Socket LGA 1156 CPU socket on a motherboard

One of the key features of the LGA 1156 socket is its compatibility with the Intel P55 chipset, which provides support for features such as SATA 6Gb/s, USB 3. 0, and PCIe 2.0. These features allowed for faster data transfer speeds and improved overall system performance.

Another advantage of the LGA 1156 socket is its thermal performance. The socket features an improved heat sink interface that allows for better heat dissipation, which in turn allows for more stable overclocking and higher system performance.

Overall, the LGA 1156 socket was a popular choice for many enthusiasts and gamers due to its high performance and compatibility with a wide range of processors. However, it has since been replaced by newer socket designs such as the LGA 1155 and LGA 1150, which offer improved performance and support for newer technologies.

Currently, the relevant Intel sockets are LGA 1700, LGA 1200, and LGA 1151. This article provides informative content and is necessary for the restoration of old PCs or upgrades.

List of processors supporting LGA1156 socket

In this list, we have gathered all processors supporting the LGA 1156 socket. Xeon processors compatible for home PCs are presented in the following table.

CPU Name Core Threads Frequency Cache memory Process TDP System Memory Launch Date
Intel Core i7-880 4 8 3.06 GHz-3.73 GHz 8 MB 45nm 95W DDR3 1066/1333 2010
Intel Core i7-870 4 8 2.93 GHz-3.60 GHz 8 MB 45nm 95W DDR3 1066/1333 2009
Intel Core i7-875K 4 8 2.93 GHz-3.60 GHz 8 MB 45nm 95W DDR3 1066/1333 2010
Intel Core i7-860 4 8 2.80 GHz-3.46 GHz 8 MB 45nm 95W DDR3 1066/1333 2009
Intel Core i5-760 4 4 2.80 GHz-3.33 GHz 8 MB 45nm 95W DDR3 1066/1333 2010
Intel Core i7-870S 4 8 2. 66 GHz-3.60 GHz 8 MB 45nm 82W DDR3 1066/1333 2010
Intel Core i5-750 4 4 2.66 GHz-3.20 GHz 8 MB 45nm 95W DDR3 1066/1333 2009
Intel Core i7-860S 4 8 2.53 GHz-3.46 GHz 8 MB 45nm 82W DDR3 1066/1333 2010
Intel Core i5-750S 4 4 2.40 GHz-3.20 GHz 8 MB 45nm 82W DDR3 1066/1333 2010
Intel Core i5-680 2 4 3.60 GHz-3.86 GHz 4 MB 32nm 73W DDR3 1066/1333 2010
Intel Core i5-670 2 4 3.46 GHz-3.73 GHz 4 MB 32nm 73W DDR3 1066/1333 2010
Intel Core i5-660 2 4 3.33 GHz-3.60 GHz 4 MB 32nm 73W DDR3 1066/1333 2010
Intel Core i5-661 2 4 3. 33 GHz-3.60 GHz 4 MB 32nm 87W DDR3 1066/1333 2010
Intel Core i3-560 2 4 3.33 GHz 4 MB 32nm 73W DDR3 1066/1333 2010
Intel Core i5-650 2 4 3.20 GHz-3.46 GHz 4 MB 32nm 73W DDR3 1066/1333 2010
Intel Core i5-655K 2 4 3.20 GHz-3.46 GHz 4 MB 32nm 73W DDR3 1066/1333 2010
Intel Core i3-550 2 4 3.20 GHz 4 MB 32nm 73W DDR3 1066/1333 2010
Intel Core i3-540 2 4 3.06 GHz 4 MB 32nm 73W DDR3 1066/1333 2010
Intel Core i3-530 2 4 2.93 GHz 4 MB 32nm 73W DDR3 1066/1333 2010
Intel Pentium G6960 2 2 2. 93 GHz 3 MB 32nm 73W DDR3 1066 2011
Intel Pentium G6950 2 2 2.80 GHz 3 MB 32nm 73W DDR3 1066 2010
Intel Pentium G6951 2 2 2.80 GHz 3 MB 32nm 73W DDR3 1066 2011

Xeon processors for LGA 1156 X3430-X3480

Processor Model Cores Threads Max Frequency Base Frequency Cache TDP Process PCI Express Launch Date
Intel Xeon X3480 4 8 3.73 GHz 3.06 GHz 8 MB 95W 45 nm 2.0 2009
Intel Xeon X3470 4 8 3.60 GHz 2.93 GHz 8 MB 95W 45 nm 2.0 2009
Intel Xeon X3460 4 8 3. 46 GHz 2.80 GHz 8 MB 95W 45 nm 2.0 2009
Intel Xeon X3450 4 8 3.20 GHz 2.66 GHz 8 MB 95W 45 nm 2.0 2009
Intel Xeon L3426 4 8 3.20 GHz 1.86 GHz 8 MB 45W 45 nm 2.0 2009
Intel Xeon X3440 4 8 2.93 GHz 2.53 GHz 8 MB 95W 45 nm 2.0 2009
Intel Xeon X3430 4 4 2.80 GHz 2.40 GHz 8 MB 95W 45 nm 2.0 2009

What is the best processor for LGA 1156 socket?

We included a list of Xeon processors in this article for a reason. Currently, the best option to replace an old CPU on the LGA 1156 socket would be a Xeon processor. In the Xeon X3430 to X3480 range, you can get maximum performance for minimal cost. For the mid-range models, such as the Xeon X3440 to X3460, you will get a noticeable performance boost compared to Core i3 or i5 processors for this socket.

Being practically an exact copy of the Core i7 lineup, Xeon have at least one undeniable advantage – a memory controller that allows the use of 8GB DDR3 RAM modules, even if the motherboard specification only claims support for 4GB sticks. Considering the low price of DDR3, it is easy to get up to 32GB of memory.

Another advantage is that all LGA 1156 motherboards support Xeon X3440-X3480 processors. However, a disadvantage is that if your motherboard breaks down, they are very difficult to find in the market.

Finding these processors is not difficult, for example, the Xeon X3450 on Amazon costs between $10 to $15.

Below is a table of Xeon processors and a comparison of their power with LGA 1156 Desktop processors.

Processor Model Cores/Threads Clock Speed Cache Process TDP Equivalent CPU Average price (USD)
Xeon X3440 4/8 2. 53 GHz 8 MB 45 nm 95 W Core I7 860S

~ 5-10

Check price
Xeon X3450 4/8 2.67 GHz 8 MB 45 nm 95 W Core I7 860S

~ 8-12

Check price
Xeon X3460 4/8 2.8 GHz 8 MB 45 nm 95 W Core I7 860

~ 20-30

Check price
Xeon X3470 4/8 2.93 GHz 8 MB 45 nm 95 W Core I7 870

~ 30-40

Check price
Xeon X3480 4/8 3.06 GHz 8 MB 45 nm 95 W Core I7 880

~ 80-90

Check price

In conclusion, I would like to express my personal opinion. Build computers using modern sockets. The Xeon direction was relevant during the mining era when the prices of all components were very expensive, and you needed an inexpensive computer for basic tasks. This article provides informative content and is useful not for building PCs, but for repairing or upgrading old ones.

Denis B.

Author and developer of the website

For many years, I have been following the PC and component market, building computers, and constantly improving my expertise in this field. With my website, I aim to share my knowledge and provide helpful guides and advice for those interested in building and upgrading their own computers.

Beginners Guide: Install/Remove Intel Socket LGA1156 CPU and Heatsink

Installing a socket LGA1156 Intel Core i3/i5/i7 processor into
a fresh motherboard as part of a new PC build can be intimidating step,
particularly if you’ve never worked inside a computer before. PCSTATS
received a few
emails from novice readers on this subject, so we thought it worthwhile to lay out the steps for you in this
Beginners Guide. Once you know what not to touch and which way the CPU goes,
it’s really not difficult. Best of all, when it comes time upgrade your CPU with
a faster model, you can extend the lifespan of the PC and save yourself a few bucks in the process
too!

In this PCSTATS Beginners Guide we’ll show
you how to install and remove a socket LGA1156 Intel processor and
heatsink, step by step. If you’ve been considering a computer upgrade, bookmark this article for future
reference.

A few words of caution before we start. Computer processors are sensitive electronic devices.
1) Always make sure the power is off, computer is unplugged before opening it up. 2) Never touch the
gold connector pads on the bottom of the CPU and always be extremely
careful when inserting the processor into the CPU socket. 3) Don’t touch the
delicate gold pins in the socket, they bend easily and can also be damaged by the oils from
your skin. 4) Always ground yourself to a metal object before doing any work inside
a computer system to minimize the risk of an
electrostatic discharge.

Intel’s LGA1156
Processor

First let’s familiarize ourselves with the Intel processor.

On the top of
the processor you’ll find a silvery looking metal lid called the ‘Integrated Heat Spreader’ (IHS) and a small gold triangle in one corner. The
green substrate has two small notches on opposite edges which key the CPU into
the socket in one direction only. Processor make model numbers are laser engraved on the IHS.

Intel does not specifically state on the CPU if the
processor is for socket LGA1150, LGA1155 or LGA1156, this information is
printed on the box the CPU is sold in. If the chip does not fit, double
check its model number on Intel.com
to ensure you are installing the CPU into the correct motherboard socket.

Top and bottom view of an Intel LGA1156
processor.

On the bottom of the socket LGA1156 Intel processor we are working with in this PCSTATS Beginners Guide you’ll find one thousand,
one hundred and fifty-six gold pads, in the center are tiny electrical components. The gold pads on the base of the CPU make contact with corresponding
electrical pins in the processor socket on the motherboard. Oils from your fingers can
damage these golden electrical contacts, so the proper way to handle the CPU is by the edges only.

In general, it’s best practice to leave the processor in its plastic, protective chip carrier until the moment you are ready
to install the CPU into the socket.

Heatsink for Socket
LGA1156

CPU heatsinks come in all different shapes and sizes,
some are made for Intel or AMD processors, some for both. Aside from
thermal solution performance criteria, what separates different heatsinks is
socket compatibility.

For the purposes of this DIY Guide, PCSTATS will be
installing Intel’s reference stock LGA1156 CPU cooler. For 80% of users this
heatsink is probably fine. If you overclock, are a performance user or demand
super quiet operation, then you’ll need to visit Frostytech.com
and have a look through their Top 5
heatsink charts and find the best CPU cooler your budget will
afford.

This Intel reference heatsink comes with thermal
compound pre-applied on the bottom.

Mounting brackets for Intel heatsinks are nice and simple; four plastic push-to-click retention
posts are used which engage with four holes, spaced 75mm apart,
around the LGA1156 CPU socket.

Motherboard LGA1156
Socket

On socket LGA1156 motherboards
there is a Land Grid Array 1156-pin processor socket which the processor is mounted
into. The socket consists of three parts; a top metal pressure plate, a metal
lever arm and the bottom electrical socket which is a complex array of tiny
gold pins that contact the base of the CPU.

The LGA1156 socket is shown below with its
protective plastic cover removed and top metal pressure plate opened up so you can see
the gold pins which interface with the CPU base.

LGA1156
CPU Socket with the protective cover removed. The tiny gold pins are very delicate, never
touch them.

A
protective plastic cover normally sits over these pins when no processor is present, remove
the cover just before the CPU is installed as these pins are extremely
fragile and easily damaged.

Now that we’re familiar with the major parts of the
CPU socket and processor, let’s

run through the process of installing an Intel socket LGA1156 processor and heatsink correctly. Later in this Guide, PCSTATS will cover how to remove the heatsink and
CPU.

Installing the Intel
chip…

© 2023 PCSTATS.com

Please respect the time and effort that went into creating each PCSTATS Beginners Guide, do not illegally copy. Thank you.

Next Page >

 

Contents of Article: PCSTATS Beginners Guide

 Pg 1. 
— Beginners Guide: Install/Remove Intel Socket LGA1156 CPU and Heatsink
 Pg 2.  

Step 1: Installing an Intel LGA1156 CPU
 Pg 3. 

Inserting the socket LGA1156 CPU the right way
 Pg 4. 

Locking the Processor in Position
 Pg 5. 

Installing an Intel CPU Heatsink
 Pg 6. 

Removing Socket LGA1156 heatsinks and processors safely
 Pg 7. 

Removing Socket LGA1156 processors safely

Home » LGA 1156

The Intel Xeon X3450 processor was released in 2009 for LGA socket 1156 as a solution for server systems. The processor is almost identical to a similar solution from Intel for home computers — I7 860 (the full analogue is the X3460 model, which has a slightly higher multiplier, and therefore higher frequency and overclocking potential, but the price is more than 1.5 times higher!).

Contents

  1. Xeon X3450 Specifications
  2. CPU-Z Data
  3. Overclocking and Performance
  4. Xeon X3450 Processor Conclusions

Xeon X3450 Specifications

Parameters
Cores/Threads 4/8 4/8
Base clock 2. 66 GHz 2.8 GHz
Max Turbo Boost 3.2 GHz 3.46 GHz
Cache L3 8MB 8MB
TDP 95W 95W
037

CPU-Z data

Overclocking and performance

As we wrote in the article about the LGA 1156 socket, I only support overclocking motherboards based on P55 chipsets (slightly better in terms of overclocking potential) and H55.

Buy motherboards on socket LGA 1156:

  • P45: First option, second option, third option.
  • H55: First option, second option, third option.

Buy RAM: First option, second option.

Cooler: The CPU does not require a lot of cooling for small (up to about 3. 6 GHz) overclocking, so an inexpensive option will suffice. In cases where you plan to overclock the processor to frequencies close to 4 GHz, we advise you to look at more serious coolers. We recommend the snowman cooler. It will also not be superfluous to put additional cooling for the chipset and Mosfet transistors.

You can find a detailed guide on overclocking the Xeon X3450 processor in this video:

Game tests with GeForce 1060 video cards:

Test with the RX 570 video card:

Conclusions on the Xeon X3450 processor

As can be seen from the tests, this the processor still adequately copes with games released before 2015-2016. With more recent games, you will have to lower the graphics settings.

Of course, assemblies on this socket with this processor will be relevant for a long time, but we do not recommend compiling such an assembly from scratch, especially considering the current cost of components on the LGA 1356 platform. However, this is a great option if you already have a motherboard based on socket LGA 1156 and you want to upgrade your system.

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