Before trying to know the differences between Brahman and Vishwarupa, we must know the seven gods that constitute Brahman.

They are,

1. Indra - god of dreaming

2. Shakti - god of illusion

3. Brahma - god of creativity

4. Vishnu - god of stabilization

5. Shiva - god of determination

6. Shani - god of status alteration

7. Yama - god of compulsion

Krishna is the eigth incarnation of Vishnu and symbolizes our Positive attitude, which corresponds to the junction between Vishnu and Shiva.

DIFFERENCES BETWEEN VISHWARUPA AND BRAHMAN:

1. Brahman is a fact and Vishwarupa is a belief

2. Brahman is eternal and Vishwarupa is transient (Bhagavadgita 11.9 and 11.50)

3. Brahman is the ideal state and Vishwarupa is scary (Bhagavadgita 11.23, 11.49, 11.50). Vishnu makes life more comfortable than Vishwarupa (Bhagavadgita 11.46).

4. Brahman is our ideal life and Vishwarupa is life with just our positive attitude. Krishna symbolically destroys almost everything other than the positive attitude (Bhagavadgita 10.32)

5. Brahman can't be described in words. Vishwarupa can be described in words (Bhagavadgita 10.10 to 10.30)

6. Brahman retains satisfaction. Vishwarupa destroys it, which is symbolized by the destruction of Kauravas (Bhagavadgita 11.27).

7. Brahman can only be felt and in pure form can't even be felt. Vishwarupa can be perceived with our sense organs. (Bhagavadgita 11.10 and 11.11)

8. Brahman is made of seven gods (Manu Smriti 1.19). Vishwarupa is made of infinite gods (Bhagavadgita 11.15)

9. Brahman is the state at which our control is perfect. Vishwarupa gives us the least control (Bhagavadgita 11.24).