GMAT

GRE:
The test is required for admission to most graduate schools and a growing number of business schools.
The GRE consists of a 60-minute Analytical Writing section - with two essays at 30 minutes each. There are two 30-minute Verbal Reasoning sections. There are two 35-minute Quantitative Reasoning sections. There's also a 30-35 minute experimental section that can be either math or verbal.
Offered as a computer adaptive by section exam in the United States
GMAT:
The test is required for admission to most business schools.
The GMAT consists of a 30-minute Analytic section with one essay, a 30-minute Integrated Reasoning section, a 75-minute Quantitative section and a 75- minute Verbal section.
The GMAT is a computer-adaptive test.
The overall, or composite, GMAT score ranges from 200 to 800 in 10-point increments.