He reminds me of Murray with speed and better moves
I'm a big fan of Murray. But let me give you my honest assessment on the difference between the two of them.
In favor of Murray: He was a much more aggressive runner and more physical. Probably better in tgoalline than Elliott at this point. Murray actually seems more comfortable in space than Elliott. Probably a better receiving option at this point. He seems less injury prone than Murray.
In favor of Elliott: Elliott has much better vision. He has better speed and quick cut than Murray. While Murray is more likely to get you 3 or 4 yards when there is nothing there, Elliott is more likely to get you 10 yards when there is nothing there, though I think he is more prone to being stopped at the line of scrimmage. Bigger home run threat than Murray.
Where I think Murray was a top 5-10 running back that was propelled by this offensive line into a top 3 running back, I think Elliott is a top 3-5 running back that is being propelled by this offensive line into the best running back in the league.