I've got a macbook air 13" with an HD 4000 graphics card. Deus Ex runs just ok on it.

Is the performance on Windows better for this game? If so, is it enough to matter?

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    The performance on a "windows" machines is so variable due to different hardware possibilities, that this question can have no objective answer. – Amy B Jul 5 '12 at 12:56
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    @DavidB Intel-based Macs can run Windows. Since you can run both OSs on the same set of hardware, comparative benchmarks of game performance for each OS are possible. – raveturned Jul 5 '12 at 14:23
  • @raveturned are you suggesting that someone is going to buy a macbook and install windows on it? Sick. – Amy B Jul 5 '12 at 14:34
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    @DavidB Some people want/need access to both OSes, for their work or leisure. In such cases a Mac with a Windows/OSX dual-boot set-up can be useful. Some of these people also play games. :) – raveturned Jul 5 '12 at 14:48
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    @DavidB this question is fine. We've had similar questions in the past, and we've discussed them on Meta. When you're talking about comparing performance comparisons between Mac and Windows, you're generally talking about a fixed range of hardware for which, in most cases, clear and straightforward answers can definitively be provided. – LessPop_MoreFizz Jul 5 '12 at 14:54

The Intel HD 4000 you're using is equivalent to an entry level Graphics card - say a NVidia 220 or 240. It doesn't matter if you run Windows or not, your GPU doesn't have the power to push the frames you want.


The problem with this question is that there is no such thing as "performance on Windows" since Windows can run on a lot of different hardware. The answer to every "Mac vs Windows" question is that it depends entirely on the machine's hardware, (almost) regardless of the operating system. If you have a 300$ Windows machine, Mac will be better. However, if you spend 5000$ on a Windows machine, chances are it will be better suited to run games.

What you need to compare is not operating systems, but the underlying hardware. However, even with the hardware specs., unless you actually test a game on it, it is hard to "predict" how well it will run. A good place to look for information like that are hardware forums, or better yet forums for the games themselves. Most game forums have a technical section where you can discuss just that. Here is the link to Deus Ex: Human Revolution's technical forum: http://forums.eidosgames.com/forumdisplay.php?f=298

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    When comparing performance of a game between a Mac and Windows, you generally have a fairly narrow range of hardware that you're talking about for comparison purposes. It's generally fairly easy to determine whether there are substantial performance differences on Mac hardware for games that run in both environments. – LessPop_MoreFizz Jul 5 '12 at 14:51
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    There is a narrow range of hardware for Mac, true, but in the case of Windows I would argue that the hardware range is potentially limitless. – Jonathan Pitre Jul 5 '12 at 15:17
  • Yes, but this question isn't about how the game runs on any random Windows machine. This question is asking how the performance would be affected if he were to run the game under Windows, on his Mac. – LessPop_MoreFizz Jul 5 '12 at 15:18

I don't have firsthand experience with either version of Deus Ex Human Revolution, but I game frequently on a Mac, and in general, games will always run better on Windows than under Mac OS X. Windows is simply more mature as a gaming platform, and developers pay more attention to performance there, because that's where the customers are.

However, the performance on the Mac is frequently good enough to keep me from bothering to reboot into Windows, but if a game is running borderline-acceptable, I can almost always squeeze a few more frames per second out by switching to the Windows version.

This Anandtech article is a few years old now, and things generally perform much better under Lion, but the core of it is still valid: http://www.anandtech.com/show/3759/mac-os-x-steam-performance-half-life-2-episode-2-still-slower-than-windows/ You will never get better performance on OS X, the only question is how much improvement you'll get from rebooting.

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