Talk:Intel 80486SX

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IMHO the 486 SX was not a 486 Dx with a defective fpu. It was a marketing creation a 486 DX with afpu disabled same production costs but less features.

As so far as I've read, the SX actually had higher production costs than a DX, and that it was sold to try and compete with AMD's midend space. Either way, the SX chips were horrendously slow.