The P8086-2 from Advanced Micro Devices is an 8086 microprocessor Integrated Circuit with 1 core, 16-bit architecture, an 8 MHz clock, and a 40-PDIP package.
The P8086-1 from Advanced Micro Devices is an 8086 microprocessor Integrated Circuit with 1 core, 16-bit architecture and 10 MHz clock, in a 40-PDIP package.