Samsung's wafer yield lies are so egregious, the South Korean Government is currently investigating them AGAIN. Samsung's Vice Chairman (Lee Jae Yong) was just released from prison for embezzlement and bribery and had to be given a special pardon to meet with Biden.
Samsung 3nm yields are still in the 20% range, and anything Samsung claims to the contrary, are lies (forward looking statements), by their own admission. They have repeatedly and continuously lied about their 5nm, 4nm, and 3nm yields, and after recently getting caught lying, admitted they were lying to their wafer customers, now suddenly we are supposed to believe they have miraculously improved yields.
TSMC doesn’t start production until yields are around 70%, and shortly after production mature yields are around 90%.
The truth will be revealed soon enough, when both Samsung and Intel are forced to admit that their latest and most overly promised nodes are late, and then late again, and for the 3rd time late again, and ....