Celeron Produced From April 1998 to present Common manufacturer(s)
Max. CPU clock rate 266 MHz to 3.6 GHz FSB speeds 66 MHz to 1066 MT/s Min. feature size 250 nm to 32 nm Instruction set x86, x86-64 Microarchitecture P6, NetBurst, Core, Nehalem, Sandy Bridge Socket(s) Core name(s)
- Cedar Mill-512
Celeron processors can run all IA-32 computer programs, but their performance is often significantly lower when compared to similar CPUs with higher-priced Intel CPU brands. For example, the Celeron brand will often have less cache memory, or have advanced features purposely disabled. These missing features can have a variable impact on performance, but is often very substantial. While a few of the Celeron designs have achieved surprising performance, most of the Celeron line has exhibited noticeably degraded performance. This has been the primary justification for the higher cost of other Intel CPU brands versus the Celeron range.
Introduced in April 1998, the first Celeron branded CPU was based on the Pentium II branded core. Subsequent Celeron branded CPUs were based on the Pentium III, Pentium 4, Pentium M, and Intel Core branded processors. The latest Celeron design (as of July 2011[update]) is based on the second generation Core i3/i5/i7 series (Sandy Bridge). This design features independent processing cores (CPUs), but with only 66% as much cache memory as the comparable Core i3 offering.
As a product concept, the Celeron was introduced in response to Intel's loss of the low-end market, in particular to the Cyrix 6x86, the AMD K6, and the IDT Winchip. Intel's existing low-end product, the Pentium MMX, was no longer performance competitive at 233 MHz. Although a faster Pentium MMX would have been a lower-risk strategy, the industry standard Socket 7 platform hosted a market of competitor CPUs which could be drop-in replacements for the Pentium MMX. Instead, Intel pursued a budget part that was pin-compatible with their high-end Pentium II product, using the Pentium II's (Slot 1) interface.
Intel hired marketing firm Lexicon Branding, which had come up with the name "Pentium", to devise a name for the new product. The San Jose Mercury News described Lexicon's reasoning behind the name they chose: "Celer is Latin for swift. As in 'accelerate.' And 'on.' As in 'turned on.' Celeron is seven letters and three syllables, like Pentium. The 'Cel' of Celeron rhymes with 'tel' of Intel."
Intel Celeron processor family Desktop Laptop Code-named Core Date released Code-named Core Date released Covington
dual (65 nm)
dual (45 nm)
dual (32 nm)
single (45 nm)
dual (65 nm)
dual (45 nm)
dual (32 nm)
dual (32 nm)
List of Intel Celeron microprocessors
The first Covington Celeron was essentially a 266 MHz Pentium II manufactured without any secondary cache at all. Covington also shared the 80523 product code of Deschutes. Although clocked at 266 or 300 MHz (frequencies 33 or 66 MHz higher than the desktop version of the Pentium w/MMX), the cacheless Celerons were a good deal slower than the parts they were designed to replace. Substantial numbers were sold on first release, largely on the strength of the Intel name, but the Celeron quickly achieved a poor reputation both in the trade press and among computer professionals. The initial market interest faded rapidly in the face of its poor performance and with sales at a very low level, Intel felt obliged to develop a substantially faster replacement as soon as possible. Nevertheless the first Celerons were quite popular among some overclockers, for their flexible overclockability and reasonable price. Covington was only manufactured in Slot 1 SEPP format.
The Mendocino Celeron, launched August 24, 1998, was the first retail CPU to use on-die L2 cache. Whereas Covington had no secondary cache at all, Mendocino included 128 KB of L2 cache running at full clock rate. The first Mendocino-core Celeron was clocked at a then-modest 300 MHz but offered almost twice the performance of the old cacheless Covington Celeron at the same clock rate. To distinguish it from the older Covington 300 MHz, Intel called the Mendocino core Celeron 300A. Although the other Mendocino Celerons (the 333 MHz part, for example) did not have an A appended, some people call all Mendocino processors Celeron-A regardless of clock rate.
The new Mendocino-core Celeron was a good performer from the outset. Indeed, most industry analysts regarded the first Mendocino-based Celerons as too successful—performance was sufficiently high to not only compete strongly with rival parts, but also to attract buyers away from Intel's high-profit flagship, the Pentium II. Overclockers soon discovered that, given a high-end motherboard, the Celeron 300A could run reliably at 450 MHz. This was achieved by simply increasing the Front Side Bus (FSB) clock rate from the stock 66 MHz to the 100 MHz clock of the Pentium II. At this frequency, the Mendocino Celeron rivaled the fastest x86 processors available. Some motherboards were designed to prevent this modification, by restricting the Celeron's front side bus to 66 MHz. However, overclockers soon found that putting tape over pin B21 of the Celeron's interface slot circumvented this, allowing a 100 MHz bus.
At the time on-die cache was difficult to manufacture; especially L2 as more of it is needed to attain an adequate level of performance. A benefit of on-die cache is that it operates at the same clock rate as the CPU. All other Intel CPUs at that time used motherboard mounted or slot mounted secondary L2 cache, which was very easy to manufacture, cheap, and simple to enlarge to any desired size (typical cache sizes were 512 KB or 1 MB), but they carried the performance penalty of slower cache performance, typically running at FSB frequency of 60 to 100 MHz. The Pentium II's 512 KB of L2 cache was implemented with a pair of relatively high-performance L2 cache chips mounted on a special-purpose board alongside the processor itself, running at half the processor's clock rate and communicating with the CPU through a special back-side bus. This method of cache placement was expensive and imposed practical cache-size limits, but allowed the Pentium II to be clocked higher and avoided front side bus RAM/L2 cache contention typical with motherboard-placed L2 cache configurations.
Over time, newer Mendocino processors were released at 333, 366, 400, 433, 466, 500, and 533 MHz. The Mendocino Celeron CPU came only designed for a 66 MHz front-side bus, but this would not be a serious performance bottleneck until clock rates reached higher levels.
The Mendocino Celerons also introduced new packaging. When the Mendocinos debuted they came in both a Slot 1 SEPP and Socket 370 PPGA package. The Slot 1 form had been designed to accommodate the off-chip cache of the Pentium II and had mounting problems with motherboards. Because all Celerons are a single-chip design, however, there was no reason to retain the slot packaging for L2 cache storage, and Intel discontinued the Slot 1 variant: beginning with the 466 MHz part, only the PPGA Socket 370 form was offered. (Third-party manufacturers made motherboard slot-to-socket adapters (nicknamed Slotkets) available for a few dollars, which allowed, for example, a Celeron 500 to be fitted to a Slot 1 motherboard.) One interesting note about the PPGA Socket 370 Mendocinos is they supported symmetric multiprocessing (SMP), and there was at least one motherboard released (the ABIT BP6) which took advantage of this fact.
The Mendocino also came in a mobile variant, with clock rates of 266, 300, 333, 366, 400, 433 and 466 MHz.
In Intel's "Family/Model/Stepping" scheme, Mendocino CPUs are family 6, model 6 and their Intel product code is 80524. These identifiers are shared with the related Dixon Mobile Pentium II variant.
The next generation Celeron was the 'Coppermine (microprocessor)-128' (sometimes known as the Celeron II). These were a derivative of Intel's Coppermine Pentium III and were released on March 29, 2000. Like the Mendocino, the Celeron-128 used 128 KB of on-chip L2 cache and was (initially) restricted to a 66 MHz Front Side Bus Speed, But the big news was the addition of SSE instructions, due to the new Coppermine core. Besides only having half the L2 cache (128 KB instead of 256 KB) and the lower FSB (66-100 MHz instead of 100-133 MHz), the Coppermine Celeron was identical to the Coppermine Pentium III.
All Coppermine-128s were produced in the same FCPGA Socket 370 format that most Coppermine Pentium III CPUs used. These Celeron processors began at 533 MHz and continued through 566, 600, 633, 666 (Intel named it the 667) , 700, 733, and 766 MHz. Because of the limitations of the 66 MHz bus, there were diminishing returns on performance as clock rates increased. On January 3, 2001, Intel switched to a 100 MHz bus with the launch of the 800 MHz Celeron, resulting in a significant performance-per-clock improvement. All Celeron-128 CPUs from 800 MHz and higher use the 100 MHz front side bus. Various models were made at 800, 850, 900, 950, 1000, and 1100 MHz.
In Intel's "Family/Model/Stepping" scheme, Coppermine Celerons and Pentium IIIs are family 6, model 8 and their Intel product code is 80526.
These Celeron processors, released initially at 1.2 GHz on October 2, 2001, were based on the Pentium III 'Tualatin' core and made with a 0.13 micrometer process for the FCPGA 2 socket 370. They were nicknamed 'Tualeron' — a portmanteau of the words Tualatin and Celeron. Some software and users refer to the chips as Celeron-S, referring to the chip's lineage with the Pentium III-S, but this is not an official designation. Intel later released 1 GHz and 1.1 GHz parts (which were given the extension A to their name to differentiate them from the Coppermine-128 of the same clock rate they replaced). A 1.3 GHz chip, launched January 4, 2002, and finally a 1.4 GHz chip, launched May 15, 2002 (the same day as the 1.7 GHz Willamett-based Celeron launch), marked the end of the Tualatin-256 line.
With regards to core functionality, Tualatin-256 was again quite similar to its Pentium III sibling. The most significant differences were a lower 100 MHz bus and only 256 KB of L2 cache (whereas the Pentium III had either 256 KB or 512 KB of L2 cache). Furthermore, the Tualeron's L2 cache had a higher latency which boosted manufacturing yields for this budget CPU. On the other hand, this improved stability when overclocking and most of them had no problem working at 133 MHz FSB for a substantial performance increase.
Despite offering much improved performance over the Coppermine Celeron it superseded, the Tualatin Celeron still suffered stiff competition from AMD's Duron budget processor. Intel later responded by releasing the Netburst Willamette Celeron, and for some time Tualatin Celerons were manufactured and sold in parallel with their replacement Pentium 4-based Celerons.
In Intel's "Family/Model/Stepping" scheme, Tualatin Celerons and Pentium IIIs are family 6, model 11 and their Intel product code is 80530.
These Celerons were for socket 478 and were based on the Willamette Pentium 4 core, being a completely different design compared to the previous Tualatin Celeron. These are often known as the Celeron 4. Their L2 cache (128 KB) is half that of the Willamette-based Pentium 4's 256 KB of L2 cache, but otherwise the two are very similar. With the transition to the Pentium 4 core the Celeron now featured SSE2 instructions. The ability to share the same socket as the Pentium 4 meant that the Celeron now had the option to use RDRAM, DDR SDRAM, or traditional SDRAM. Willamette Celerons were launched May 15, 2002, initially at 1.7 GHz, and offered a noticeable performance improvement over the older 1.3 GHz Tualatin-based Celeron part, being able to finally outperform an 1.3 GHz AMD Duron, which at the time was AMD's top competing budget processor. On June 12, 2002, Intel launched the last Willamette Celeron, a 1.8 GHz model. Сontains 42 million transistors and has a die area of 217 mm2.
In Intel's "Family/Model/Stepping" scheme, Willamette Celerons and Pentium 4s are family 15, model 1, and their Intel product code is 80531.
These socket 478 Celerons are based on the Northwood Pentium 4 core, and also have 128 KB of L2 cache. The only difference between the Northwood-128-based and the Willamette-128-based Celeron is the fact that it was built on the new 130 nm process which shrank the die size, increased the transistor count, and lowered the core voltage from 1.7 V on the Willamette-128 to 1.52 V for the Northwood-128. Despite these differences, they are functionally the same as the Willamette-128 Celeron, and perform largely the same clock-for-clock. The Northwood-128 family of processors were initially released as a 2 GHz core (a 1.9 GHz model was announced earlier, but never launched) on September 18, 2002. Since that time Intel has released at total of 10 different clock speeds ranging from 1.8 GHz to 2.8 GHz, before being surpassed by the Celeron D. Although the Northwood-based Celerons suffer considerably from their small L2 cache, some clock rates have been favored in the enthusiast market, because like the old 300A, they can run well above their specified clock rate.
In Intel's "Family/Model/Stepping" scheme, Northwood Celerons and Pentium 4s are family 15, model 2, and their Intel product code is 80532.
Prescott-256 Celeron D processors, initially launched June 25, 2004, featuring double the L1 cache (16 KB) and L2 cache (256 KB) as compared to the previous Willamette and Northwood desktop Celerons, by virtue of being based on the Prescott Pentium 4 core.
It also features a 533 MT/s bus and SSE3, and a 3xx model number (compared to 5xx for Pentium 4s and 7xx for Pentium Ms). The Prescott-256 Celeron D was manufactured for Socket 478 and LGA 775, with 3x0 and 3x5 designations from 310 through to 355 at clock speeds of 2.13 GHz to 3.33 GHz.
The Intel Celeron D processor works with the Intel 845 and 865 chipset families. The D suffix actually has no official designation, and does not indicate that these models are dual-core. It is used simply to distinguish this line of Celeron from the previous, lower performing Northwood and Willamette series, and also from the mobile series, the Celeron M (which also uses 3xx model numbers). Unlike the Pentium D, the Celeron D is not a dual core processor.
The Celeron D was a major performance improvement over previous NetBurst-based Celerons. A test using a variety of applications, run by Derek Wilson at Anandtech.com, showed that the new Celeron D architecture alone offered up performance improvements on average of >10% over a Northwood Celeron when both CPUs were run at the same bus and clock rate. This CPU also had the addition of SSE3 instructions and the higher FSB which only contributed to this already impressive gain.
Despite its many improvements, the Prescott core of the Celeron D had at least one major drawback - heat. Unlike the fairly cool-running Northwood Celeron, the Prescott-256 had a class-rated TDP of 73 W, which prompted Intel to include a more intricate copper core/aluminum finned cooler to help handle the additional heat.
In mid-2005, Intel refreshed the Celeron D with Intel 64 and XD Bit (eXecute Disable) enabled. Model numbers increase by 1 over the previous generation (e.g., 330 became 331). This only applied to LGA 775 Celeron Ds. There are no Socket 478 CPUs with 64-bit or XD Bit capabilities.
In Intel's "Family/Model/Stepping" scheme, Prescott Celeron Ds and Pentium 4s are family 15, model 3 (up to stepping E0) or 4 (stepping E0 onwards), and their Intel product code is 80546 or 80547, depending on socket type.
Based on the Cedar Mill Pentium 4 core, this version of the Celeron D was launched May 28, 2006,and continued the 3xx naming scheme with the Celeron D 347 (3.06 GHz), 352 (3.2 GHz), 356 (3.33 GHz), 360 (3.46 GHz), and 365 (3.6 GHz). The Cedar Mill Celeron D is largely the same as the Prescott-256, except with double the L2 cache (512 KB) and based on a 65 nm manufacturing process. The Cedar Mill-512 Celeron D is LGA 775 exclusive. The main benefits of the Cedar Mill Celerons over the Prescott Celerons are the slightly increased performance due to the larger L2 cache, higher clock rates, and less heat dissipation, with several models having a TDP lowered to 65 W from Prescott's lowest offering of 73 W.
In Intel's "Family/Model/Stepping" scheme, Cedar Mill Celeron Ds and Pentium 4s are family 15, model 6, and their Intel product code is 80552.
The Conroe-L Celeron is a single-core processor built on the Core microarchitecture and is thus clocked much lower than the Cedar Mill Celerons, but still outperforms them. It is based on the 65 nm Conroe-L core, and uses a 400-series model number sequence. The FSB was increased to 800 MT/s from 533 MT/s in this generation, and the TDP was decreased from 65 W to 35 W. As is traditional with Celerons, it does not have Intel VT-x instruction support or SpeedStep (although Enhanced Halt State is enabled, allowing the Celerons to lower the multiplier to 6× and decrease core voltage while idle). All Conroe-L models are single-core processors for the value segment of the market, much like the AMD K8-based Sempron. The product line was launched on June 5, 2007.
On October 21, 2007, Intel presented a new processor for its Intel Essential Series. The full name of the processor is Celeron 220 and is soldered on the D201GLY2 motherboard. With 1.2 GHz and a 512 KB L2 cache it has a TDP of 19 W and can be cooled passively. The Celeron 220 is the successor of the Celeron 215 which is based on a Yonah core and used on the D201GLY motherboard. This processor is exclusively used on the mini-ITX boards targeted to the sub-value market segment.
Intel launched the dual core Celeron E1xxx processor line on January 20, 2008, based on the Allendale core. The CPU has 800 MT/s FSB, 65 W TDP and uses 512KB of the chip's 2 MB L2 cache, significantly limiting performance for uses such as gaming. New features to the Celeron family included full enhanced halt state and enhanced Intel SpeedStep technology. Clock rates range from 1.6 GHz to 2.4 GHz. It is compatible with other Allendale based CPUs such as the Core 2 Duo E4xxx and Pentium Dual-Core E2xxx.
The Celeron E3000 series, starting with E3200 and E3300, was released in August 2009, featuring the Wolfdale-3M core used in Pentium Dual-Core E5000, Pentium E6000 and Core 2 Duo E7000 series. The main difference to Allendale based Celeron processors is the support for Intel VT-x and increased performance due to the double L2 Cache of 1 MB.
With the introduction of the Desktop Core i3 and Core i5 processor code named Clarkdale in January 2010, Intel also added a new Celeron line, starting with the Celeron G1101. This is the first Celeron to come with on-chip PCI Express and integrated graphics. Despite using the same Clarkdale chip as the Core i5-6xx line, it does not support Turbo Boost, HyperThreading, VT-d, SMT, Trusted Execution Technology or AES new instructions, and it comes with only 2 MB of third-level cache enabled.
The Celeron P1053 is an embedded processor for Socket 1366 from the Jasper Forest family. All other members of this family are known as Xeon C35xx or C55xx. The Jasper Forest chip is closely related to Lynnfield and contains four cores, 8 MB of L3 and a QPI interface, but most of these are disabled in the Celeron version, leaving a single core with 2 MB of L3 cache.
P6-based Mobile Celerons
Similar to the Mendocino (Celeron-A): 0.25 μm, 32 KB L1 cache and 128 KB L2 cache, but uses a lower voltage (1.5-1.9 V) and two power-saving modes: Quick Start, and Deep Sleep. Packaged in the small, 615-pin BGA2 or Micro-PGA2 package.
These were the first Mobile Celerons, based on the Tualatin core. These differed from their desktop counterparts in that the Mobile series were offered in both 100 MHz and 133 MHz FSB. Like the desktop Tualatins, these chips had 256 KB of L2 cache.
NetBurst-based Mobile Celerons
These are the Mobile Celeron range used in laptops. Also based on the Northwood core, they feature a 256 KB L2 cache. These Celeron processors were a good deal higher performing than the desktop counterparts because of their larger L2 cache sizes. They were eventually replaced by the Celeron M brand which is built around the Pentium M processor design.
Pentium M-based Mobile Celerons
This Celeron (sold under the Celeron M brand) is based on the Banias Pentium M, and differs from its parent in that it has half the L2 cache, and does not support the clock-varying SpeedStep technology. It performs reasonably well compared to the Pentium M, but battery life is noticeably shorter on a Celeron M–based notebook than it is on a comparable Pentium M notebook.
In Intel's "Family/Model/Stepping" scheme, Banias Celeron Ms and Pentium Ms are family 6, model 9 and their Intel product code is 80535.
The Shelton core is a Banias core without any L2 cache and SpeedStep. It is used in Intel's small form factor D845GVSH motherboard, intended for Asian and South American markets. The processor identifies itself as a "Intel Celeron 1.0B GHz", to differentiate it from the previous Coppermine-128 and Tualatin 1.0 GHz processors.
The Shelton'08 is a basic platform for a low cost notebook released by Intel at January 2008. The platform uses Intel's single-core Diamondville CPU with a clock frequency of 1.6 GHz and a 533 MT/s FSB and power consumption of 3.5 W. The platform's total power consumption is around 8 W, translating to battery usage time of between 3–4 hours. The platform consists of a 945GSE chipset, which includes built-in DirectX 9 graphics and supports single channel DDR2 memory. A 802.11g Wi-Fi module, USB/PATA port SSD (solid state drive), and a 7- or 8-inch panel will typically round out the platform.
A 90 nm Celeron M with half of the L2 cache of the 90 nm Dothan Pentium Ms (twice the L2 cache of the 130 nm Celeron Ms, though), and, like its predecessor, lacking SpeedStep. The first Celeron Ms that supports the XD bit was released in January 2005, in general any Celeron M released after that supports the XD bit. There is also a 512 KB low voltage version that was used in the early ASUS Eee PC models.
In Intel's "Family/Model/Stepping" scheme, Dothan Celeron Ms and Pentium Ms are family 6, model 13 and their Intel product code is 80536.
The Celeron M 400-series is a 65 nm Celeron M based on the single-core Yonah chip, like the Core Solo. Like its predecessors in the Celeron M series, this Celeron M has half of the L2 cache (1 MB) of Core Solo and lacks SpeedStep. This core also brings new features to Celeron M including a higher front side bus (533 MT/s), SSE3 instructions. September 2006 and January 4, 2008 mark a discontinuation of many Celeron M branded CPUs.
Core-based Mobile Celerons
The Celeron M 523 (933 MHz ULV), M 520 (1.6 GHz), M 530 (1.73 GHz), 530 (1.73 GHz), 540 (1.86 GHz), 550 (2.0 GHz), 560 (2.13 GHz), 570 (2.26 GHz)  are single-core 65 nm CPUs based on the Merom Core 2 architecture. They feature a 533 MT/s FSB, 1 MB of L2 cache (half that of the low end Core 2 Duo's 2 MB cache), XD-bit support, and Intel 64 technology, but lack SpeedStep and Virtualization Technology. Two different processor models are used with identical part numbers with the same part numbers, single-core Merom-L with 1 MB cache and dual-core Merom with 4 MB L2 cache that have the extra cache and core disabled. Celeron M 523, M 520 and M 530 are Socket M based, while Celeron 530 through 570 (without M) are for Socket P. January 4, 2008 marked the discontinuation of Merom CPUs.
The Celeron 573 (1 GHz, ULV), 575 (2 GHz) and 585 (2.16 GHz) are based on the Merom-2M core with only one core and 1 MB L2 cache enabled. They are similar to the Merom and Merom-L based Celerons but have a faster 667 MT/s FSB.
The Celeron T1xxx processors are also based on the Merom-2M chips but have both cores enabled. The earlier T1400 (1.73 GHz) and T1500 (1.86 GHz) versions have a 533 MT/s FSB and 512 kB L2 cache, while the more recent T1600 (1.66 GHz) and T1700 (1.83 GHz) versions have 667 MT/s and 1 MB L2 cache enabled but come with a lower clock frequency.
At the same time as the dual-core Merom-2M, Intel introduced the first 45 nm Celeron processor based on the Penryn-3M core with 800 MT/s FSB, 1 MB L2 cache and one core enabled. This includes the Celeron M 7xx Consumer Ultra-Low Voltage (CULV) series starting at 1.2 GHz and the later Celeron 900 (2.2 GHz).
The initial 45 nm dual-core Celeron processor was released in June 2009 and is also based on Penryn-3M. The Celeron T3000 (1.8 GHz) and T3100 (1.9 GHz) again come with 1 MB of L2 cache enabled and an 800 MT/s FSB. In September 2009, Intel also started the dual-core CULV Celeron SU2000 series, again with 1 MB L2 cache. Despite the similar name, they are very different from Pentium SU2000 (with 2 MB L2 cache and one active core) and Pentium T3000 (based on the 65 nm Merom processor).
Nehalem-based Mobile Celerons
The Arrandale based Celeron P4xxx and U3xxx lines are low-end versions of the Pentium P6xxx and U5xxx lines, originally released as the mobile dual-core lines of Core i3/i5/i7. Like the Clarkdale-based Celeron G1xxx, they use 2 MB of L3 cache, which is the amount that the earlier "Penryn" based CPUs used in the Pentium brand as their L2 cache. Like all Arrandale processors, the Celeron P4xxx and U3xxx use an integrated graphics core.
Sandy Bridge-based Mobile Celerons
The Celeron B8xx processors released in 2011 follow the Arrandale line. They are Dual-Core processors with integrated graphics and use the same chips as the Pentium B9xx and Core i3/i5/i7-2xxx mobile processors, but with Turbo-Boost, Hyper-Threading, VT-d, TXT and AES-NI disabled and the L3 cache reduced to 2MB.
Dual processor support
As a budget processor, the Celeron does not support a dual processor configuration using multiple CPU sockets, however Tomohiro Kawada, a Japanese hacker, discovered that multiprocessing could be enabled on Slot 1 Celeron processors by shorting a pin on the slot connector and other on the CPU core. In addition, Mendocino Socket 370 processors also unofficially supported dual-processor mode, which could be exploited by using the Abit BP6 motherboard or a Slot 1 adapter with a dual-socket 440LX or 440BX chipset motherboard. The unofficial SMP support was removed in the Coppermine Celerons, and dual-socket support is now limited to higher-end Xeon server-class processors. Conroe/Allendale based Celeron processors and later support multiprocessing using multi-core chips, but are still limited to one socket.
- List of Intel Celeron microprocessors
- List of future Intel microprocessors
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- Budget CPU for Enthusiasts: Intel Celeron E3300 Processor Review – X-bit labs tests new 45 nm dual-core Celeron CPU
- Celeron E1200: Dual-Core Processor Almost for Free – X-bit labs tests dual-core Celeron CPU
- Intel Celeron M Processor – Product overview
- Intel Celeron M Banias, Dothan, and Yonah specifications
- Intel Pentium II and Pentium III based Celerons at cpu-collection.de
- Intel CPU Transition Roadmap 2008-2013
- Intel Desktop CPU Roadmap 2004-2011
- Intel Mobile CPU Roadmap 2004-2011
Intel processors Discontinued BCD oriented (4-bit) pre-x86 (8-bit) Early x86 (16-bit) x87 (external FPUs) IA-32 (32-bit) x86-64 (64-bit) Other Current Lists Microarchitectures P5 P5 based cores 800 nm
P6 P6 / Pentium M / Enhanced Pentium M based cores 500 nm 350 nm
- Coppermine T
NetBurst NetBurst based cores 180 nm 130 nm 90 nm 65 nm Core Core / Penryn based cores 65 nm 45 nm
Bonnell Bonnell based cores 45 nm
- Tunnel Creek
- Cedar Trail-M
Nehalem Nehalem / Westmere based cores 45 nm 32 nm Sandy Bridge Sandy Bridge / Ivy Bridge based cores 32 nm
- Sandy Bridge
FutureLarrabee · Haswell / Broadwell · Skylake / Skymont
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