To achieve a perfect SAT score, a test-taker must get perfects scores of 800 on both the Evidence-Based Reading and Writing section as well as the Math section. This means a perfect grand total perfect score of 1600 points on the SAT exam.
Remember that your Reading and Writing scores, including the essay, are combined for a single EBRW (Evidence-based Reading and Writing) score, so make sure you read all the writing prompts thoroughly and complete the required essay portion in a timely manner.
To find your personal score report for the SAT Exam, just log in to your College Board account and go to the College Board SAT Organizer section to see your scores.