I2c bus number pin compatiblity on Tx1 and Tx2 4GB module

if i see TX1 EVK it has bus number i2c0 to i2c6 and on Tx2 EVK has also i2c0 to i2c6 .
is both i2c buses on Tx1 and Tx2 are pin compatible or any differences are there?

i have a board having Tx1 and some peripherals are connected to i2c buses now i have replaced this Tx1 som with TX2 som,will the i2c bus number will be same for the new device having tx2 or it will change.

Any help would be appreciated.

The bus number may not the same.