Celeron

Celeron was Intel's long-running brand for entry-level computer microprocessors. Introduced in April 1998, it was created to defend Intel's position in the inexpensive personal-computer market, where products such as the Cyrix 6x86, AMD K6, and IDT WinChip were challenging Intel's older Pentium MMX platform. Rather than continue extending the Pentium MMX line, Intel developed a lower-cost processor compatible with the newer Pentium II ecosystem. The first Celeron used Intel's Slot 1 interface and was derived from the Pentium II design. The brand's commercial history was shaped by deliberate differentiation from Intel's higher-priced processors. Celeron models generally used smaller caches, narrower feature sets, lower bus speeds, or other configuration limits than comparable Pentium and later Core products. These trade-offs reduced manufacturing cost and allowed computer makers to sell inexpensive desktops, notebooks, small systems, and educational computers. They also produced uneven results: some generations were competitive or particularly attractive to enthusiasts, while others were criticized for weak performance relative to rival budget processors. The first Covington Celeron, released at 266 MHz and later 300 MHz, omitted secondary cache and acquired a poor reputation because its performance was substantially below expectations. Intel responded quickly with the Mendocino generation, introduced in August 1998. Mendocino integrated 128 KB of full-speed on-die level-two cache, a design choice that greatly improved performance. The Celeron 300A became especially well known because many units could operate at substantially higher speeds when used with suitable motherboards and a faster front-side bus. This generation helped establish Celeron as a credible budget product and made it popular with computer enthusiasts. Subsequent generations followed Intel's mainstream processor architectures. Coppermine-128 was derived from the Pentium III family and added SSE support, while later Tualatin-256 processors used a refined Pentium III-derived core. Intel then moved the brand to Pentium 4-derived NetBurst designs, including Willamette-128 and Northwood-128 models. Later Celerons were based on Pentium M, Core, Core 2, Nehalem, Sandy Bridge, Ivy Bridge, Haswell, Skylake, and other Intel architectures. The brand appeared across desktop and mobile products and eventually became particularly associated with low-cost notebooks, compact systems, and basic home or office computers. From 2009 onward, Celeron processors supported both 32-bit and 64-bit x86 software. Technical configurations varied widely across generations, but budget positioning commonly involved fewer cores, smaller caches, reduced clock speeds, or lower power and feature envelopes than Intel's mainstream offerings. Some later models used integrated graphics and system-on-chip designs, broadening the brand beyond traditional socketed desktop CPUs. Intel announced in September 2022 that Celeron and Pentium branding would be replaced by the simpler Intel Processor name for entry-level products beginning January 1, 2023. Intel stated that the change was a branding transition rather than an abandonment of the low-cost product segment. The Celeron range is therefore discontinued as a current brand, although Celeron processors remain important in the history of Intel's consumer product segmentation and budget-computing strategy.

Intel developed Celeron during a period when the company's established low-end offering was losing ground. The Pentium MMX had reached the limits of its competitiveness, while Cyrix 6x86, AMD K6, and IDT WinChip processors offered alternatives for inexpensive personal computers. Intel chose not to rely solely on a faster Pentium MMX. Instead, it created a new budget brand based on the Pentium II platform, allowing lower-cost systems to use a more contemporary processor interface. The initial Celeron, code-named Covington, launched in April 1998. It was derived from the Pentium II but lacked secondary cache. Although the absence of cache helped control cost, it severely limited performance and led to negative reviews. Intel soon replaced it with Mendocino, whose 128 KB of full-speed on-die level-two cache delivered a dramatic improvement. The Celeron 300A became a notable enthusiast product because many examples could run at 100 MHz front-side-bus speeds and reach performance levels beyond their nominal specification. Mendocino also marked the transition from Intel's Slot 1 packaging toward Socket 370 for single-chip budget processors. Intel continued to use Celeron as a reduced-feature derivative of its major CPU architectures. Coppermine-128 adapted the Pentium III design with 128 KB of cache and initially retained a 66 MHz bus before later models moved to 100 MHz. Tualatin-256 used a 0.13-micrometer Pentium III-derived core, 256 KB of cache, and a 100 MHz bus. These products competed with AMD's Duron and other inexpensive processors while giving system builders access to Intel's manufacturing and platform ecosystem. Beginning in 2002, Intel moved Celeron to the NetBurst architecture used by Pentium 4. Willamette-128 and Northwood-128 processors used 128 KB of cache and Socket 478 compatibility. The brand subsequently appeared in additional generations derived from Pentium M, Core, Core 2, and later Intel architectures. As the market moved toward laptops and integrated platforms, Celeron became common in inexpensive notebooks, small desktops, education systems, and basic consumer computers. The technical meaning of the brand changed over time. Earlier models were often defined by cache reductions or bus limitations, while later versions could differ through core count, frequency, power envelope, graphics capability, supported memory, and platform features. Performance consequently varied considerably between generations. Celeron offered Intel ecosystem compatibility at a lower price, but its position below Pentium and Core remained central to the product architecture. Intel announced in September 2022 that new entry-level processors would use the Intel Processor name instead of Celeron or Pentium from January 1, 2023. The company described this as a simplification of its low-end branding and indicated that products serving the segment would continue. The Celeron name is now discontinued, ending roughly twenty-five years of Intel processor branding.

• 2023

  Celeron discontinued

  [1]Celeronen.wikipedia.org

  The Celeron brand was discontinued on January 1 as Intel consolidated entry-level branding.

• 2022

  Intel announces brand replacement

  [1]Celeronen.wikipedia.org

  Intel announced that Celeron and Pentium would be replaced by Intel Processor branding for new entry-level products.

• 2002

  NetBurst-based Celeron launches

  [1]Celeronen.wikipedia.org

  The Celeron line moved to Pentium 4-derived NetBurst designs, beginning with the Willamette-based models.

• 2001

  Tualatin-256 generation begins

  [1]Celeronen.wikipedia.org

  Intel released a 0.13-micrometer Celeron derived from the Tualatin Pentium III core.

• 2000

  Coppermine-128 generation launches

  [1]Celeronen.wikipedia.org

  Intel introduced a Celeron based on the Coppermine Pentium III design, with SSE support and 128 KB of cache.

• 1998

  Celeron brand introduced

  [1]Celeronen.wikipedia.org

  Intel launched the first Celeron processor on April 15 as a lower-cost alternative for personal computers.

• 1998

  Mendocino brings on-die cache

  [1]Celeronen.wikipedia.org

  The Mendocino generation introduced 128 KB of full-speed on-die level-two cache and substantially improved the brand's performance.

An affordable, lower-tier Intel processor brand positioned below Pentium and Core through lower prices and, depending on generation, reduced cache, clock speed, core count, power, or feature support.

• Desktop microprocessor · 1998

  Covington

  The first Celeron generation, launched in 1998 and derived from the Pentium II. It was offered in Slot 1 packaging and notably lacked secondary cache, which reduced cost but also caused weak performance and a poor initial market reputation.

• Desktop and mobile microprocessor · 1998

  Mendocino

  Mendocino was the first retail CPU design to place level-two cache on the processor die. Its 128 KB full-speed cache made it far faster than Covington at similar clock rates. The Celeron 300A became a well-known enthusiast and overclocking model.

• Desktop microprocessor · 2000

  Coppermine-128

  A Pentium III-derived Celeron generation released in 2000. It used 128 KB of on-die cache, supported SSE instructions, and initially operated with a 66 MHz front-side bus before higher-clocked models adopted a 100 MHz bus.

• Desktop microprocessor · 2001

  Tualatin-256

  A 0.13-micrometer Socket 370 processor based on the Tualatin Pentium III design. It used 256 KB of cache and a 100 MHz bus. Enthusiasts sometimes called these chips Tualerons, although that was an informal nickname.

• Desktop and mobile microprocessor · 2002

  NetBurst Celeron

  This family adapted Intel's Pentium 4-era NetBurst architecture for the budget segment. Willamette-128 and Northwood-128 models used 128 KB of level-two cache and were compatible with Socket 478 platforms.

• Mobile and low-power processor

  Celeron N-series

  The N-series applied the Celeron name to low-power notebook and compact-computer processors. These products commonly emphasized low energy consumption, integrated graphics, and low system cost over the performance of Intel's mainstream mobile families.

• Low-power desktop and embedded processor

  Celeron J-series

  The J-series covered low-cost, low-power processors used in compact desktops and related small systems. Features differed by generation, but the family generally targeted basic productivity, web use, media playback, and inexpensive system designs.

• 2022

  Retire Celeron and Pentium brandingStrategy

  Background

  Intel sought to simplify its entry-level processor naming architecture while continuing to serve lower-cost computer segments.

  Action taken

  Intel announced that new entry-level products would use the Intel Processor name beginning January 1, 2023.

  Aftermath

  Celeron became a discontinued brand, while Intel continued offering entry-level processors under a consolidated name.

  Source

• 1998

  Create a new budget processor brandProduct launch

  Background

  Intel was losing share in inexpensive personal computers to competing x86 processors, while the Pentium MMX no longer provided a strong low-end position.

  Action taken

  Intel introduced Celeron as a lower-cost processor family based initially on the Pentium II platform.

  Aftermath

  The first cacheless model performed poorly, prompting Intel to replace it rapidly with the more capable Mendocino generation.

  Source

• 1998

  Replace Covington with MendocinoGeneration change

  Background

  The first Celeron suffered from poor performance because it did not include secondary cache.

  Action taken

  Intel introduced the Mendocino design with 128 KB of full-speed on-die level-two cache.

  Aftermath

  Performance improved sharply, and the Celeron 300A became a strong budget product and a popular enthusiast processor.

  Source

• 2023

  Celeron brand discontinued[1]Celeronen.wikipedia.org

  Other

  Intel ended the Celeron product-brand range on January 1, 2023, consolidating new entry-level products under the Intel Processor name.

• 2022

  Intel announces the retirement of Celeron branding[1]Celeronen.wikipedia.org

  Leadership change

  Intel announced that Celeron and Pentium names would be replaced by Intel Processor branding for entry-level products from January 1, 2023.

• 2000

  Intel shifts Celeron to the Coppermine-derived design[1]Celeronen.wikipedia.org

  Product generation

  The Coppermine-128 generation brought Celeron onto a Pentium III-derived architecture and added SSE instructions.

• 1998

  Intel introduces the first Celeron processor[1]Celeronen.wikipedia.org

  Product launch

  Intel launched its first Celeron processor on April 15, 1998, targeting low-cost personal computers and responding to competition in the entry-level CPU market.

• 1998

  Intel launches the Mendocino Celeron[1]Celeronen.wikipedia.org

  Product generation · Product launch

  The Mendocino generation introduced full-speed on-die level-two cache and substantially improved on the cacheless first-generation Celeron.

1. 1Celeronen.wikipedia.org
2. 2Intel discontinues 8th generation Core CPUs | bit-tech.netbit-tech.net