AMD processors use other connectors, than in the case of models supplied by Intel. Therefore, the processor choice is so important - it defines a set of optional components, as the motherboard, and can simultaneously bind a user to a single platform.
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Socket AM3
This connector which is designed for the new group of Phenom II processors, and Athlon II, Sempron и Opteron. It entered the market in 2009 year. The most important change was the introduction of support for DDR3 memory controller. AM3 is not compatible with older versions, despite, that difference in the structure is reduced to the addition of one contact.
Socket AM3+
Socket AM3 + – a new, a modified version of its predecessor (AM3), prepared with the thought of processors based on AMD Bulldozer architecture. Unlike most Intel stands, AM3 + compatible with AM3, which means, processors, based on the new socket can be installed in the socket AM3. The only condition is to update BIOSa, If a manufacturer decides to release a new version. must be, but, remember, that not every processor will work in AM3 package. Among the structural differences can be noted the addition of a single contact. The new stand also introduces improved power control.
processor family, which can be installed in the socket AM3 +: Phenom II, Athlon II и FX.
The motherboards with socektem AM3 + also introduced new logic chips 990FX and SB950, which provide support for eight-processor. Added support for HyperTransport technology version 3.1. Besides, the first of them introduces the possibility of combining graphics cards in SLI.
FM2 socket is used in motherboards, intended to serve the APU desktop units based Piledriver architecture. This includes Athlon processors 2 и Athlon X4. There was also a new chipset - A85X. Compared to FM1 terminal, Please remove some contacts, It left them in a number of 904.
Socket FM2+
The new socket has been created with the idea of the new Kaveri platform. Contrary to the previous policy of the company, FM2 + only partially compatible. It means, that owners will not be able to install new processors, but, nothing prevents, to nest FM2 + set the old processor. There was also a new chipset: A88X.
Well, where are the recommendations how , why and which socket to choose? )