Which is earlier, Emperor Yan or Yellow Emperor in China?

According to legend, the Yellow Emperor lived in more than 2,500 BC and Yan Di lived in more than 4,000 BC, so it is natural that Yan Di lived earlier. However, it should be noted that the earliest recorded history of China started from the Yin and Zhou Dynasties, and many places before that were too unreliable to guess. For example, there are many opinions about which of the Three Emperors and Five Emperors is, and it is even more impossible to record the deeds of the Yellow Emperor in Historical Records.