Multiple choice general knowledge science & technology Which package were the original pentium 4 processors launched? 478 778 775 320 Reveal answer Fill a bubble to check yourself A Correct answer Explanation The original Pentium 4 processors (Willamette and Northwood cores) launched in 2000-2001 used the Socket 478 package. Socket 775 (LGA 775) came later with the Prescott core. 778 and 320 are not valid Intel socket numbers for Pentium 4.