Interesting. Maybe it's my computer not being fast enough, but I would think a PC with a Kaby Lake CPU and a 1050 Ti would be able to handle it.
Well, after really understanding it, it seems that if they aren't the same animation tile, they tend to desync. All of the same animation tiles are synced, but if they differ, they desync. I'll see if I can nab a quick gif for you to see it in action.
Edit:
Oh and if you lose focus the game window and focus it again, it refreshes the screen and they are no longer desynced.
Edit #2:
Here we go:
The slight pause near the end was me clicking and holding the window so it would refresh as stated before.