Question about reboot series

Hey fellow tomb raiders. I have played the first game of the reboot series on my Xbox 360 couple of years ago and recently got the itch to play the newer two.

How do they compare and is one of them much better than the other? How's the multiplayer (active or not?) Are there any huge differences gameplaywise between Rise and Shadow?
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Would buy them for my PlayStation 4, if that makes any difference.

Any help very much appreciated!