I agree. Quite inconsistent. Many of the facial animations are plain and focus on the mouth only. Some of the voice acting is also just passable. Where it shines, it really shines. Some of it gives top CGI movies a run for their money.
Having said that I never expected it to be like Uncharted on that front. Naughty Dog are kings at that and their games aren't exactly fully open world. Might be more interesting to compare it Mass Effect Andromeda. That is meant to be a bigger, much higher budget game but wont have the technical advantage first party games do.
It gets more fun as you level up.
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Colour is adjusted in that gif plus mist on the mountains. The normal PS4 also does HDR btw. This is definitely also THE game to show off HDR.