>> “Are they speaking of the same things? Or are they different?” <<
.
Speaking of the salvation of the seed of Abraham in each and every case.
The “mystery” of Abraham’s seed in the gentile world would never have been understood before the power of the Holy
Spirit could be released.
The Gentile world had been the enemy of Yehova’s plan; he had to work through the people that would bring the seed to the world.
Since you offer no Scripture to go with your answer, I must decline it for now. And wait to see what roamer says. Please, feel free to offer back-up Scripture any time.