Comparison of 8085 and 8086

There are some of the difference mentioned below:


1.Size:-
 8085 is 8 bit microprocessor whereas 8086 is 16 bit microprocessor.


2.Address Bus:-
8085 has 16 bit address bus and 8086 has 20 bit addres bus.


3.Memory:-
8085 can access upto 2^16 = 64 Kb of memory whereas 8086 can access upto
 2^20 = 1 MB of memory.


4.Instruction Queue:-
8085 doesn't have an instruction queue whereas 8086 has instruction queue.


5.Pipelining:-
8085 does not support pipelined architechture whereas 8086 supports pipelined architechture.


6.Multiprocessing Support:-
8085 does not support multiprocessing support whereas 8086 supports.


7.I/O:-
8085 can address 2^8 = 256 I/O's and 8086 can access 2^16 = 65,536 I/O's


8.Airthmetic Support:-
8085 only supports integer and decimal whereas 8086 supports integer, decimal and ASCII arithmetic.


9.Multiplication and Division:-
8085 doesn't support whereas 8086 supports.


10. Operating Modes:-
8085 supports only single operating mode whereas 8086 operates in two modes.


11.External Hardware:-
8085 requires less external hardware whereas 8086 requires more external hardware.


12.Cost:-
The cost of 8085 is low and 8086 is high.


13.Memory Segmentation:-
In 8085, memory space is not segmented but in 8086, memory space is segmented.

{ 31 comments... read them below or Comment }

  1. Anonymous23 December 2011 at 00:14

    vw maryland


    I really love reading articles that has lots of knowledge to impart. I admire those writers who share the best of their knowledge in writing such articles. Keep up the good work and continue inspiring readers.Thank you so much.

    ReplyDelete
  2. Unknown9 November 2013 at 10:04

    VERY NICE..... thank u

    ReplyDelete
  3. AL HYDER ROMAN4 April 2014 at 23:38

    This comment has been removed by the author.

    ReplyDelete
    Replies
    1. AL HYDER ROMAN4 April 2014 at 23:41

      Thanks for your brilliant job.
      alhyderroman807.blogspot.com

      Delete
  4. Unknown14 April 2014 at 00:48

    Its very good .useful to many peoples :)

    ReplyDelete
  5. Unknown10 July 2014 at 21:13

    nice

    ReplyDelete
  6. Wolfgang Keller26 November 2014 at 16:59

    This comment has been removed by the author.

    ReplyDelete
  7. Unknown27 December 2014 at 06:28

    nice comparison...

    ReplyDelete
  8. Unknown14 February 2015 at 17:28

    Covers allmost all points. Nice, helpful, and true.

    ReplyDelete
  9. DIGANT KUMAR DEVASHISH17 March 2016 at 12:05

    Thank u very much.

    useful points.................

    ReplyDelete
  10. Web technology class25 March 2016 at 12:35

    Millions of thanks. These informations are quite suitable and precise.
    I really like it.

    ReplyDelete
  11. Web technology class25 March 2016 at 12:35

    Millions of thanks. These informations are quite suitable and precise.
    I really like it.

    ReplyDelete
  12. dbhdhs28 April 2016 at 09:26

    8085-5 flags
    8086-9 flags

    ReplyDelete
  13. dbhdhs28 April 2016 at 09:27

    8085-5 flags
    8086-9 flags

    ReplyDelete
  14. Unknown4 May 2016 at 08:03

    very nice and useful.

    ReplyDelete
  15. Unknown5 May 2016 at 17:32

    nice comparison...

    ReplyDelete
  16. Roja27 May 2016 at 23:47

    Very easy to remember thank you so much

    ReplyDelete
  17. Unknown29 November 2016 at 11:47

    So GuuuuuuuuuuuuuD ........................

    ReplyDelete
  18. Unknown16 December 2016 at 20:18

    Thankq....

    ReplyDelete
  19. Unknown28 December 2016 at 04:27


    so great!

    ReplyDelete
  20. Unknown10 February 2017 at 23:09

    It's very useful

    ReplyDelete
  21. Unknown21 February 2017 at 21:38

    Good Explanation

    ReplyDelete
  22. Unknown14 March 2017 at 03:01

    This comment has been removed by the author.

    ReplyDelete
  23. Unknown11 May 2017 at 09:42

    more reasons in 8085 and 8086 compare man

    ReplyDelete
  24. Unknown12 September 2017 at 23:29

    Thank you buddy..really loved it

    ReplyDelete
  25. Unknown25 October 2017 at 19:07

    Thanks

    ReplyDelete
  26. sandeeep4 November 2017 at 05:00

    nice sir this is the awesome website and i am learn through this website

    ReplyDelete
  27. Unknown13 January 2018 at 10:10

    https://userscloud.com/pihrky6w45gn

    For tabulated comparison

    ReplyDelete

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