Which lap top has better specs? Thanks in advance?

Which one of these laptops are better?

Dell XPS 13:

-5th Generation Intel® Core™ i5-5200U Processor (3M Cache, up to 2.7GHz

-8GB Dual Channel DDR3L-RS 1600Mhz (On Board)

-256GB Solid State Drive & Intel (R) HD Graphics 5500.

----------------OR ------------

Lenovo y50 UHD:

-4th Generation Intel Core i7-4720HQ Processor (2.60GHz 1600MHz 6MB)

-15.6'' UHD LED Glossy Backlit (3840x2160)

-16.0GB PC3-12800 DDR3L SDRAM 1600 MHz

-512GB SSD & NVIDIA GeForce GTX 960M 4GB (graphics)

Thanks alot in advance
Which has better display? I heard the lenovo has low frames per sec. Which messes up the display abit but thats older models right?

Theyre both around the same price.

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