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The '''technology node''' (also '''process node''', '''process technology''' or simply '''node''') refers to a specific [[semiconductor manufacturing process]] and its design rules. Different nodes often imply different circuit generations and architectures. Generally, the smaller the technology node means the smaller the feature size, producing smaller transistors which are both faster and more power-efficient. Historically, the process node name referred to a number of different features of a transistor including the [[gate length]] as well as M1 half-pitch. Most recently, due to various marketing and discrepancies among foundries, the number itself has lost the exact meaning it once held. Recent technology nodes such as [[22 nm]], [[16 nm]], [[14 nm]], and [[10 nm]] refer purely to a specific generation of chips made in a particular technology. It does not correspond to any gate length or half pitch.  Nevertheless, the name convention has stuck and it's what the leading foundries call their nodes.
 
The '''technology node''' (also '''process node''', '''process technology''' or simply '''node''') refers to a specific [[semiconductor manufacturing process]] and its design rules. Different nodes often imply different circuit generations and architectures. Generally, the smaller the technology node means the smaller the feature size, producing smaller transistors which are both faster and more power-efficient. Historically, the process node name referred to a number of different features of a transistor including the [[gate length]] as well as M1 half-pitch. Most recently, due to various marketing and discrepancies among foundries, the number itself has lost the exact meaning it once held. Recent technology nodes such as [[22 nm]], [[16 nm]], [[14 nm]], and [[10 nm]] refer purely to a specific generation of chips made in a particular technology. It does not correspond to any gate length or half pitch.  Nevertheless, the name convention has stuck and it's what the leading foundries call their nodes.
  
Since around 2017 node names have been entirely overtaken by marketing with some leading-edge foundries using node names ambiguously to represent slightly modified processes. Additionally, the size, density, and performance of the transistors among foundries no longer matches between foundries. For example, Intel's [[10 nm]] is comparable to foundries [[7 nm]] while Intel's [[7 nm]] is comparable to foundries [[5 nm]].
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Since around 2017 node names have been entirely overtaken by marketing with some leading-edge foundries using node names ambiguously to represent slightly modified processes. Additionally, the size, density, and performance of the transistors among foundries no longer matches between foundries. For example, Intel's [[10 nm]] is comparable to foundries [[7 nm]] while Intel's [[7 nm]] is comparable to foundries [[3 nm]].
  
 
== Nomenclature ==
 
== Nomenclature ==

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