Intel's Celeron processor family is one of the company's low-end product lines. Generally, processors in the Core series operate at higher frequencies, accomplish more tasks simultaneously, have more on-board memory and use more miniaturized components.
Frequency
According to Intel, Celeron processors operate at frequencies ranging from 1.2 to 2.6 GHz. This means they work to execute software instructions from 1.2 to 2.6 billion times per second. Core processor frequencies range from 1.8 to 3.6 GHz.
Cores
All Celerons have either one or two processor cores, thus allowing them to process either one or two software instructions simultaneously. Core processors have two, four or six cores.
Cache
Celerons have 512 KB, 1 MB or 2 MB of cache memory, a form of high-speed memory that gives the processor access to priority data faster than RAM. Core processors have 2, 3, 6, 8 or 12 MB of cache.
Size
Processors contain electrical switches, or "transistors," that perform calculations on binary data. The smaller the transistors, the more a processor can have. Celerons have either 65 or 45nm transistors, whereas Core transistors have 65, 45 or 32nm.
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