Which test is approved by your school? If your first choice does not accept both tests, the decision for you. If yes, what most students have received, it could indicate a preference for the test against others.
Consider your demographics. Some schools use to develop their demographics applicant to see that because of lower prices and increase the number of GRE test equipment is available in both tests.
What programs of study? Some employers consider the test scores of recruitment, particularly in investment banking and consulting fields. If you have a career in these areas that affect your decision.

What would you preform better? "... If your background is in education or in art and writing or they are much stronger than in the dictionary of probability and statistics is a chance that you'll do better on the GRE "says Kaplan spokeswoman Carina Wong. Finally, your MBA application must focus on their strengths and show your ability to succeed in the B-school, choose a test that does this.