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iPhone 5:

  • 4″ at 1146 x 640 resolution retina display

iPhone 4, 4S:

  • 3.5″ at 960 x 640 resolution retina display

We are developing games targeting iPhone 4, 4S & 5.

  • What graphics resource ratio would be better with less time and investment?
  • Which ratio would be easy to integrate with targeting device with less coding?
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closed as not constructive by Byte56, doppelgreener, jcora, Trevor Powell, Josh Petrie Oct 5 '12 at 23:48

As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references, or expertise, but this question will likely solicit debate, arguments, polling, or extended discussion. If you feel that this question can be improved and possibly reopened, visit the help center for guidance.If this question can be reworded to fit the rules in the help center, please edit the question.

A very similar question has been asked for Android; please take a look at those answers for additional tips. And for even more information, on that question look at the "Linked" and "Related" sidebar sections on the right side of the page for several more questions that might provide further information. – Ricket Sep 28 '12 at 17:34
@Ricket, Yes, good resource. :) – Md. Mahbubur R. Aaman Sep 29 '12 at 2:57
up vote 0 down vote accepted

The answer is : depends on the type of the game.

For example, if the game is a racing 3D game, you can modify the aspect ratio of the screen, but all the assets stay the same. If it's a board game with zoom - the same applies - you will just see more of the board.

The main problem will be, IMHO, GUI. Note however, that in some type of games it would be perfectly ok to leave it exactly as-is; it would make steering with on-screen controls easier, while keeping the gui visible.

As the footnote: iPhone 5 has the same horizontal resulotion as 4S. Whilst you can just play 4S games on 5 in letterbox mode, opposite isn't possible. The letterbox space can be filled not only with extending of the game display, but, as I mentioned earlier, larger gui or controls

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Any specific guideline? – Md. Mahbubur R. Aaman Sep 27 '12 at 15:12
I don't think I can help more – Bartek Banachewicz Sep 27 '12 at 15:13

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