Real Mode
1. It this mode processor works as 8088/8086
2. This mode has only 1 MB memory addressing capacity
3. Handles only one task at a time
4. Memory translation not required
5. Computer can directly communicate with ports and device
6. Not support memory management
7. Support less addressing modes and instructions
8. Backward capability to support 8086/8088
Protected Mode
1. It this processor works in full capacity
2. 1 MB to few GB
3. Multiple task at time
4. Memory translation required
5. Communicate through OS
6. Support memory management
7. Support more addressing modes and instructions
8. Works in its real power.
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