Are there differences in the dynamics, articulations, and/or rhythms? Are there any substantial differences in the music they play? Does one of the recordings add an introduction, or other a

Each option consists of two different recordings by different…
Each option consists of two different recordings by different modern performers of the same written composition.
Option 1: Two recordings of La Quarte Estampie Royal (The Fourth Royal Estampie), by an anonymous composer, 13th century (medieval).
Recording 1: performed by the ensemble Hespèrion XXI:
Recording 2: performed by the ensemble Aurea Proportio:
Are the two recordings at the same pitch? Is one higher/lower than the other?
Are the two recordings different speeds? Which is faster/slower? If there is a difference in speed, what effect does this have on the overall feel?
Are there differences in the dynamics, articulations, and/or rhythms?
Are there any substantial differences in the music they play? Does one of the recordings add an introduction, or other additional sections?
Does one recording add more ornaments to the melody lines than the other? If so where does this happen in each recording and can you tell what the performers are adding?