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CliffyB's Cock Holster
I believe you can make that case with TLOU, but Deus Ex dipping into 20s should be very noticeable to everyone.
Noticeable, sure, but sufficiently bad to warrant reducing resolution across the board in order to fix? That's debatable.
To expect the games to have the same performance as on the base PS4 doesn't seem that outlandish to me. Especially when I'm playing on a 1080p tv
But they aren't the same, that the frame-rate differs is testament the fact that the faster gpu is putting in more work. So once again we are back to a subjective determination as to whether the improved image quality justifies rare isolated instances of frame-drops.
There is no absolute right or wrong answer; what you may find unsatisfactory may be entirely acceptable to, or simply go unnoticed by other people.
And in any case the bottom line is its a rare (and likely soon to be unemployed) producer that will hold up a build from hitting its delivery date by not KS'ing minor bugs like instances of frame-rate drops.