While it's hard to argue with "more pixels equals more better," you have to be able to see those pixels, don't you?

4K Ultra High Definition (UHD) delivers four-times the number of total pixels compared to 1080p High Definition (HD) resolution. This enables 4K images to offer better clarity with more detail.

all 4K content from a 4K source or an upscaling 4K Blu-ray player must be passed directly to the 4K TV. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.

See 4K pass-through and 4K TV. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.