Embedded CPU architectures
- ARM'sARM architecture (32-bit)ARM64 (64/32-bit)
- Atmel's AVR architecture
- Microchip's PIC architecture
- Texas Instruments's MSP430 architecture
- Intel's 8051 architecture
- Zilog's Z80 architecture
- Western Design Center's 65816 architecture
- Hitachi's SuperH architecture
- Axis Communications' ETRAX CRIS architecture
- Power Architecture (formerly PowerPC)
- EnSilica's eSi-RISC architecture
- Milkymist architecture
- Inmos' Transputer architectures
Microcomputer CPU architectures
- Pre-x86
- x86Intel's IA-32 architecture, also called x86-32x86-64 with AMD's AMD64 and Intel's Intel 64version of it
- Motorola's 6800 and 68000 architectures
- MOS Technology's 6502 architecture
- Zilog's Z80 architecture
- Power Architecture (formerly POWER and PowerPC)
- ARM'sARM[1][2] (32-bit) (previously Advanced RISC Machines' ARM, originally Acorn's RISC Machine) and StrongARM/XScalearchitecturesARM64 (64/32-bit)
- Renesas RX CPU architecture - Combination of RISC and CISC architectures
Workstation/Server CPU architectures
- DEC's Alpha architecture
- HP's PA-RISC architecture
- Power Architecture (formerly POWER and PowerPC)
- Intel's Itanium architecture (formerly IA-64)
- MIPS Computer Systems Inc.'s MIPS architecture
- Oracle's (formerly Sun Microsystems's) SPARCarchitecture
Mini/Mainframe CPU architectures
- Burroughs large systems architecture (1961–present) currently supported in the UnisysClearPath/MCP series.
- IBM's System/360, System/370, ESA/390 and z/Architecture (1964–present)
- DEC's PDP-8 architecture, the successor PDP-11 architecture, and its final form, the VAXarchitecture
- UNIVAC 1100/2200 series architecture (currently supported by Unisys ClearPath IX computers)
- MIL-STD-1750A - the U.S.'s military standard computer
- AP-101 - the space shuttle's computer
Mixed-core CPU architectures
- IBM's Cell architecture (a general purpose architecture that uses a POWER4 based core and 8 RISC based co-processors)
- CAS's Loongson 3
- Parallax Propeller, a 160 MIPS multicoremicrocontroller with eight 32-bit RISC cores.