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| Designer | Intel |
|---|---|
| Bits | 32/64-bit |
| Introduced | 1989 |
| Design | RISC, VLIW |
| Type | Load–store |
| Encoding | Fixed |
| Branching | Compare and branch |
| Endianness | Bi |
| Page size | 4 KB |
| Extensions | 64-bit graphics unit |
| Registers | |
| General-purpose | 32 32-bit |
| Floating point | 32 32-bit (16 64-bit) |
The Intel i860 (also known as 80860) is a RISC microprocessor design introduced by Intel in 1989. It is one of Intel's first attempts at an entirely new, high-end instruction set architecture since the failed Intel iAPX 432 from the beginning of the 1980s. It was the world's first million-transistor chip.[1] It was released with considerable fanfare, slightly obscuring the earlier Intel i960, which was successful in some niches of embedded systems. The i860 never achieved commercial success and the project was terminated in the mid-1990s.
- ^ Perry, Tekla (2022-07-02). "The First Million-Transistor Chip: the Engineers' Story". IEEE Spectrum. Archived from the original on 2022-07-05. Retrieved 2022-07-05.