Difference between 8085, 8086 and 8088 Microprocessor

YASH PAL,

Difference between 8085, 8086, and 8088 Microprocessors – The comparative statement between 8085, 8086, and 8088 microprocessors has been shown in the table below.

Feature808580868088
Data Bus8 bit16 bit8 bit
Address Bus16 bit20 bit20 bit
BHENot neededTo enable (D7 – D15)Not needed
SS0Not availableNo availableStatus signal
Input-Output/Memory pinIO/MM/IOIO/M
Pipeline conceptNot availableAvailableAvailable
Queue capacityNot available6-byte4-byte
Memory segmentationNot availableAvailableAvailable
Operating speedSlowFastSlow
The size of the data can be processed (internally) at a time8 bit16 bit16 bit
Operating modeNot availableMinimum and Maximum modeMinimum and Maximum mode
Comparison Table between 8085, 8086, and 8088 Microprocessors

Note: Since the 8088 microprocessor has an 8-bit data bus but can process 16-bit data internally, it is also known as 8/16 bit microprocessor.

engineering subjects Microprocessor