R4300i
The R4300i is a 32-bit microprocessor designed by NEC Corporation that implements the MIPS III instruction set. It is the improved revision of the R4300 core, with the “i” suffix indicating an enhanced version compatible with MIPS III software. The R4300i was used in several NEC-based products in the 1990s, most notably as the central processing unit in the Nintendo 64 game console.
In terms of architecture, the R4300i is a MIPS III–based 32-bit RISC core. It features a conventional
The most prominent deployment of the R4300i was in the Nintendo 64, where it operated at roughly
Legacy and impact: The R4300i represented NEC’s continuation of the MIPS III line and contributed to the