I Have a new 2015 13" retina MacBook Pro with i7/16/512 and the UI animations are very choppy. This is also the same with connect with my fell P2415Q 4k monitor.
MacBook Pro with Retina display, OS X Yosemite (10.10.3), null
The warranty entitles you to complimentary phone support for the first 90 days of ownership.
If you bought the product in the U.S. directly from Apple (not from a reseller), you have 14 days from the date of delivery in which to exchange or return it for a refund. In other countries, the return policy may be different. If you bought from a reseller, its return policy applies.
Laggy UI with 2015 retina MacBook Pro
