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Opteron is the name of a family of CPUs within the AMD64 line. Designed by AMD for the server market, it competes with Intel's Xeon. For Socket 940 and Socket 939 Opterons, each chip has a three-digit model number, in the form ''Opteron XYY''. For Socket F and Socket AM2 Opterons, each chip has a four-digit model number, in the form ''Opteron XZYY''. For all Opterons, the first digit (the X) specifies the number of CPUs on the target machine: * 1 - Designed for uniprocessor systems * 2 - Designed for dual-processor systems * 8 - Designed for systems with 4 or 8 processors For Socket F and Socket AM2 Opterons, the second digit (the Z) represents the processor generation. Presently, only 2 (dual-core), DDR2, 3 (quad-core) and 4 (six-core) are used. For all Opterons, the last two digits in the model number (the YY) indicate the clock frequency of a CPU, a higher number indicating a higher clock frequency. This speed indication is comparable to processors of the same generation if they have the same amount of cores. Single-cores and dual-cores have different indications, despite sometimes having the same clock frequency. Model Number Methodology for the AMD Opteron 4000 and 6000 Series Processors. AMD Opteron processors are identified by a four digit model number, ''ZYXX'', where: Z- indicates Product Series * 4000 Series = Low cost and power optimized 1 and 2-way servers * 6000 Series = High performance 2 and 4-way servers Y- indicates series generation * 41xx = 1st generation of 4000 series * 61xx = 1st generation of 6000 series XX- communicates a change in product specifications within the series, and is not a relative measure of performance. The suffix HE or EE indicates a high-efficiency/energy-efficiency model having a lower TDP than a standard Opteron. The suffix SE indicates a top-of-the-line model having a higher TDP than a standard Opteron. == K8 based Opterons == 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「List of AMD Opteron microprocessors」の詳細全文を読む スポンサード リンク
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