Game Informer:
The first thing you’re likely to notice is the visual upgrade from 720p and 30 frames per second to 1080p and 60 frames per second (though you can lock things down at 30 FPS should you choose). Naughty Dog tells us that character textures have been increased by a factor of four, shadows have been doubled (along with a new lighting process), and draw distance is noticeably better.
Motion blur when turning the camera (used to hide slower loading textures) has been significantly reduced, but not eliminated. The game’s gritty, destroyed environments look crisper, which was even more pronounced in the side-by-side comparison. It looks spectacular.
PlayStation Blog:
Originally Posted by PlayStation Blog
With The Last of Us Remastered’s PS4 release just weeks away (July 29th), I dove into a pre-release version of the game to see exactly how Naughty Dog is leveraging PS4’s hardware to upgrade last year’s biggest Game of the Year winner.
First, there’s the immediately noticeable bump in native screen resolution. The jump from 720p (PS3) to native 1080p (PS4) gives the visuals a major shot in the arm. The crisp new presentation banishes those nasty jaggies to the margins, while higher resolution environment textures adorn the lovingly crafted post-apocalyptic environments.
Polygon:
Originally Posted by Polygon
The demo station at Sony's press event yesterday had The Last of Us running side by side on PS3 and PS4, and we watched the cutscene of Joel, Ellie and Bill arriving at Bill's safehouse playing on both versions simultaneously. (The playback didn't quite sync up, since the video loaded more quickly on PS4.) The higher-fidelity backgrounds were just as impressive as, if not more so than, the improved detail in the characters themselves. The light-up beer signs on Bill's walls; the fliers affixed to his bulletin board; the local map he showed to Joel and Ellie — all of them simply looked clearer on PS4, and we were able to make out finer details on them.
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Looks the same breh. 
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You cant be serious