Celeron
From Extreme Overclocking
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Background
The Celeron is known as the Intel budget line processor that uses the same core with typically half the L2 cache, and usually a decreased fsb.
Historically the most popular (and one of the first) Celeron was the Slot-1 300A which could easily be overclocked to 450MHz (66MHz -> 100MHz bus speed). The Celeron at the time (Mendocino Core) had 128KB on-die L2 cache , while the Pentium II did not (it had 512KB off-die L2 cache).
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Core Names
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Desktop PII / PIII Based
- Covington (0K) - Essentially a 266/300MHz Pentium II without any L2 cache. This CPU was deemed a failure.
- Mendocino (128K) - This core was the first to utilise on-chip L2 cache, giving great performance especially when increasing the bus speed.
- Coppermine (128K) - Also known as the Celeron II, this was an offshoot of the S370 PIII Coppermine core, just with half the cache & lower bus speed than the PIII.
- Tualatin (256K) - Updated PIII core using a 130nm process.
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P4 Based
- Willamette (128K) - The first of the P4 / Netburst class CPUs. Often known as the Celeron 4.
- Northwood (128K) -
- Celeron D (256K) -
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Mobile
- Banias - Also known as the Celeron M, based off of the Pentium M. 130nm process.
- Dothan - 90nm process, half the cache of the Dothan class Pentium M.
- Shelton - A Banias core without any L2 cache, built for a very particular market segment.
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