| CPU | Package | Voltage | Speed (MHz) | Data Bus (bits) | Memory (Mb) | Cache (Kb) |
|---|---|---|---|---|---|---|
| Pentium | PGA | 5 | 60-200 | 64 | 4096 | 16 |
| Pentium | PGA | 5 | 166-233 | 64 | 4096 | 32 MMX |
| Pentium | PGA | 1.5 | 150-200 | 64 | 64,000 | 1,000 Pro |
| Celeron | PGA, SEC |
1.5 | 266-600 | 64 | 4096 | 128 |
| Pentium II | SEC | 1.5 | 233-450 | 64 | 64,000 | 512 |
| Pentium II | SEC | 1.5 | 400-450 | 64 | 64,000 | 512-1,000 |
| Pentium III | SEC, FC-PGA |
1.5 | 450-933 | 64 | 64,000 | 256 |
| Pentium III Xeon |
SEC | 1.5 | 500-933 | 64 | 64,000 | 256 |
| Here are brief descriptions for each of the Intel processors: |
| Pentium: This processor features 32-bit multitasking using RISC design techniques and a superscalar architecture that executes two instructions in the same clock cycle. The Pentium expanded the internal bus to 64-bits and high-speed internal cache. |
Pentium Pro: The Pentium Pro was developed as a network server processor specially designed to support 32-bit network operating systems, such as Windows NT, and to be used in configurations of one, two or four processors, with 1 megabit of advanced second level cache. |
Pentium II: The Pentium II is the Pentium Pro with MMX (multimedia extensions*) technology added. The P-II, as it is commonly referred to, is excellent for multimedia work that requires support for full-motion video and 3D images. |
Celeron: Developed for use in desktop and portable computers, the Celeron is a low-cost version of the Pentium II. |
Pentium III: Although recently surpassed by the Pentium IV, the Pentium III has been the highest-powered processor in the Intel arsenal. It features 9.5 million transistors, a 32Kb L1 cache, 512 Kb of L2 cache, and clock speeds of 450 MHz to 1 GHz. |
Xeon: The Xeon processors, both Pentium II and Pentium III, are successors to the Pentium Pro as a network server processor that is capable of addressing and caching up to 64 GB of memory with its 36-bit memory address bus. Xeon processors can be configured with 4 to 8 CPUs in one server. |
NOTE: Multimedia Extensions added three features to the Pentium processor.
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