NexGen
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NexGen_Nx596-P90.jpg
Like the later Pentium-class CPUs from AMD and Cyrix, clock for clock it was more efficient than the Pentium, so the P80 ran at 75 MHz and the P90 ran at 84 MHz. Unfortunately for NexGen, it measured its performance relative to a Pentium using an early chipset; improvements included in Intel's first Triton chipset increased the Pentium's performance relative to the Nx586 and NexGen had difficulty keeping up. Unlike the Pentium, the Nx586 had no built-in math coprocessor; an optional Nx587 provided this functionality.
Compaq, who had backed the company financially, announced its intention to use the Nx586 and even struck the name "Pentium" from its product literature, demos, and boxes, substituting the "586" moniker, but never used NexGen's chip widely.
When AMD's K5 chip failed to meet performance and sales expectations, AMD purchased NexGen, largely to get the design team and the Nx586's follow-up design, which became the basis for the commercially successful AMD K6.
External links
- Unofficial NexGen Resource Page (http://www.delcis.net/nexgen/)
- AMD: Nx586 Processor (http://www.amd.com/us-en/Processors/ProductInformation/0,,30_118_1260_1272,00.html)
- cpu-world: Nx586 Processor (http://www.cpu-world.com/CPUs/Nx586/)
- NexGen Microsystem's new microprocessor (http://www.findarticles.com/p/articles/mi_m3563/is_n8_v10/ai_15416695)