"Lazy devs" is a horribly over-used excuse.  These people get paid based on their work.

Think of it this way--you're given two assignments with the same deadline, where you have to write one paper in English and the second paper in a language that you barely know.  Obviously, the first paper will be superior, as you won't have time to master the language needed to write the second paper in time.  Sure, the more papers you write in that language, the better you'll get, but since you're dealing with time restrictions, the outcome will suffer at first.

Yes, publishers have some responsibility in pushing out games before they're ready, but time is money.

Dat screen tear ... 

So you are saying there is a difference in those pics you just posted thats bigger then the ones on the op?

LMAO, you just lost all credablity as a poster.  My work is done here.

I agree that last gen the difference was more significant. Technically the discrepancy between PS4 and X1 is higher than the one between PS3 and 360, but 720p to sub-HD difference and usually running between 20 to 30FPS along with screen tearing shows a lot more than 1080p to 900p or variable 40~60FPS to stable 30FPS/30FPS with minor drops at the same resolution, which is what is happening this gen.

How does one simply go about the conclusion that a game is unoptimized ? 

So a 720p game on PS3 and XB360 had more graphical differences than say a 1080p PS4 game vs a 900p XB1 game. It all makes sense now!

i think you have proven your case CGI, at least to those that cared to actually read what you posted (like myself), and the fact that FPS are a big difference in some games this gen is also something most people arent taking into account, afterall you cant prove the difference in Framerate with just 2 images standing next to each other, also i think its kind of a simillar deal with the resolution since the difference is more clear when watching both games in motion than watching a comparition on the internet.

In most multiplatform games that run at 1080p on PS4 and 900p on XOne the only difference is the resolution itself. In case of games running at the same resolution on both consoles, obviously XOne suffers a lot more since it's hardware is worse than PS4's, usually using lower end assets and having a worse framerate. Still, most multiplatform games last gen run at a lower res on PS3, using lower end assets and still had worse framerates.

PS3 it is more powerful compare to Xbox 360 but only for the CPU, the gap is bigger then current gen, but it's not very efficient, hard to program (until recently) example : Battlefield 4 PS3 VS Battlefield Xbox 360
But Xbox 360 has the benefit on GPU and unified memory and easy to utilize especially for third party developer who was lazy to optimize the games for console.

Current gen PS4 has the same capability with Xbox One with Xbox 2% better on CPU, but PS4 has Benefit doubling the GPU power of Xbox One, with unified memory, GDDR5, HSA, GPGPU, ROP's, Better GUI, and added ACE for the GPU (overall easy to program, efficient, and also has a lot of future prove for optimizing)

I am saying PlayStation 4 is more improvement of balance cost design wise then over budget PS3 architecture design.

Both generation is equal in achievement on technology but THIS TIME PS4 HIT THE MARK PRECISELY WITH FOCUS ON GPU or GPGPU.