NRG vs ISO
When it comes to saving images of discs, there are a few formats to choose from. Two of these formats are ISO and NRG. The main difference between NRG and ISO is their source. ISO is a global standard created by ISO, a body that governs over world standards. In comparison, NRG is actually a proprietary format that was developed by Nero, a very popular disc imaging and burning software.
As a consequence of the primary difference between NRG and ISO, there is also a difference when it comes to what they are compatible with. ISO, as a global standard, is used quite widely and it is a given for any burning software to have support for it. Because Nero was very popular, it gave programmers an incentive to support the file format so that they programs will be able to open disc images that were created in Nero. Still, not everyone has added compatibility with NRG so it is still better to use ISO if you want to achieve the highest level of portability.
Another advantage that ISO has over NRG is the support incorporated into most modern operating systems. Since it is incorporated into the operating system, you do not really need to install any other software just to burn ISO images to disc. You can pretty much do this via the operating systems native file browser application. You just need to pop a blank disc into your optical drive and you’d get options on disc burning.
NRG is not without its advantages though because ISO has a primary limitation. ISO is not able to record discs that have multiple tracks. A prime example of this is the audio disc where each song is placed on its own track. There are other formats that are able to do this like BIN/CUE, as well as NRG.
Most people believe that NRG is just an ISO file with an added header, but this is not so. You cannot simply mount an NRG disc into a system that only recognizes ISO discs. If you want maximum compatibility for you data discs, you should use ISO.
Summary:
1.ISO is a worldwide standard while NRG isn’t
2.ISO is recognized by virtually all software but not NRG
3.ISO recording is native in most modern operating systems but not NRG recording
4.ISO cannot record audio tracks while NRG can
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Good article. It’s hard to strike a balance between insufficient and over-sufficient information when making comparisons. This article did not get all bogged down deviating to the numerous other alternatives, explanations of everything, just managed to explain what the title suggests – and no more. An extremely difficult task to achieve as told by the millions of articles on the internet that are either sufficient information to be useless (there are many of these) or so much information that the article never actually answers the question!
From this article I just wanted to know the simple differences between ISO and NRG, it quelled a well-known myth and by making cursory mention of allied interest, it was up to the reader to investigate further.
Yup, I know my praise is probably longer than the article, but this person deserved the praise and recognition. Great work! And thanks.
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If you want to see a useless blog, you’ll see what I mean. A question asked, wrong answers given and mostly deviations!
http://forum.videohelp.com/threads/241654-Image-Files-What-s-the-Difference-Between-iso-and-nrg
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