Original Intel Pentium-branded CPUs were expected to be named 586 or i586, to follow the naming convention of prior generations .
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Original Intel Pentium-branded CPUs were expected to be named 586 or i586, to follow the naming convention of prior generations .
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However, as the firm wanted to prevent their competitors from branding their processors with similar names, Intel Pentium filed a trademark application on the name in the United States, but was denied because a series of numbers was considered to lack trademark distinctiveness.
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In 1998, Intel Pentium introduced the Celeron brand for low-priced processors.
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However, due to a demand for mid-range dual-core processors, the Pentium brand was repurposed to be Intel's mid-range processor series, between the Celeron and Core series, continuing with the Pentium Dual-Core line.
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In 2014, Intel released the Pentium 20th Anniversary Edition, to mark the 20th anniversary of the Pentium brand.
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In September 2022, Intel announced that the Pentium and Celeron brands will be replaced with the new "Intel Processor" branding in 2023.
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In parallel with the P5 microarchitecture, Intel developed the P6 microarchitecture and started marketing it as the Pentium Pro for the high-end market in 1995.
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In 2000, Intel Pentium introduced a new microarchitecture named NetBurst, with a much longer pipeline enabling higher clock frequencies than the P6-based processors.
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In 2003, Intel introduced a new processor based on the P6 microarchitecture named Pentium M, which was much more power-efficient than the Mobile Pentium 4, Pentium 4 M, and Pentium III M Dual-core versions of the Pentium M were developed under the code name Yonah and sold under the marketing names Core Duo and Pentium Dual-Core.
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All Intel Pentium M based designs including Yonah are for the mobile market.
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In 2009, Intel changed the naming system for Pentium processors, renaming the Wolfdale-3M based processors to Pentium, without the Dual-Core name, and introduced new single- and dual-core processors based on Penryn under the Pentium name.
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In June 2009, Intel released the first single-core processor to use the Pentium name, a Consumer Ultra-Low Voltage Penryn core named Pentium SU2700.
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In Q1 2017 Intel released the Kaby Lake-based Pentium G4560; it is the first Pentium-branded CPU since the Netburst-based Pentium 4 to support hyper-threading, a feature available in some "Core"-branded products.
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