Claimed as the world's fastest and highest performance microprocessor for x86 computer systems, the Athlon is available in speed grades of 650, 600, 550 and 500 MHz for high-end desktop systems, workstations and servers. The seventh-generation CPU features a superscalar floating-point engine and a 200-MHz system bus. It's said to deliver the highest floating-point, integer and 3D multimedia performance for x86 platforms.In terms of floating-point performance, Athlon-based systems are said to outpace comparably configured Pentium III and Pentium III Xeon systems, according to the SPECfp_base95 and Ziff-Davis 3D WinBench 99 FPU WinMark benchmarks. For example, a 550-MHz Athlon CPU has more than 35% higher performance than either a 550-MHz Pentium III or Pentium III Xeon on the SPECfp_base95 benchmark. Benchmark results on integer and multimedia performance are said to also be superior.The processor sports a superpipelined, nine-issue superscalar microarchitecture optimized for high clock frequency. It also provides the first fully pipelined, superscalar floating-point unit for x86 platforms. Performance is further enhanced by 128 kbytes of on-chip Level 1 cache and a programmable backside Level 2 cache interface. It implements enhanced 3DNow! technology with 24 new instructions designed to improve integer math calculations, data movement for Internet streaming, and DSP communications.
Company: ADVANCED MICRO DEVICES INC. (AMD)
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