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Intel A80386DX-20 CPU die image. The Intel 386, originally released as the 80386 and later renamed i386, is the third-generation x86 architecture microprocessor from Intel.It was the first 32-bit processor in the line, making it a significant evolution in the x86 architecture.
Intel's second generation of 32-bit x86 processors, introduced built-in floating point unit (FPU), 8 KB on-chip L1 cache, and pipelining. Faster per MHz than the 386. Small number of new instructions. P5 original Pentium microprocessors, first x86 processor with super-scalar architecture and branch prediction. P6
2.16 64-bit processors: Intel 64 ... This generational list of Intel processors attempts to present all of Intel's processors from the 4-bit 4004 (1971) to the ...
The 64-bit extensions to the x86 architecture were enabled only in the newly introduced long mode, therefore 32-bit and 16-bit applications and operating systems could simply continue using an AMD64 processor in protected or other modes, without even the slightest sacrifice of performance [49] and with full compatibility back to the original ...
The 8086-based IBM PC, launched in 1981, started the move to 16-bit, but was soon passed by the 68000-based 16/32-bit Macintosh, then the Atari ST and Amiga. IBM PC compatibles moved to 32-bit with the introduction of the Intel 80386 in late 1985, although 386-based systems were considerably expensive at the time.
Pages in category "16-bit microprocessors" ... This list may not reflect recent changes. 0–9. 1801 series CPU; D. Data General microNOVA; DEC J-11; DEC T-11; F.
Both boards retained 32-bit data and address buses, however. Although computers upgraded with the Intel Inboard 386 featured 16 MHz 80386 processors, they still tended to be inferior to most 386-class machines, as they still sported their original (by then obsolete) motherboard bus circuitry (e.g. DMA, ISA bus, etc.)
List of AMD K5 processors; List of AMD Athlon processors; ... 65816/65802 (16-bit) Western Digital. MCP-1600. LSI-11; WD16; Pascal MicroEngine; Western Electric.