4 Data and File Archiving Compression Comparison .zip vs .rar vs .7z

Updated: January 1, 2019 / Home » Tech Comparison

There are many other compression software such as StuffIt, Ace, Hamster Zip and etc, they are not included in the list due to the low popularity and most important of all, they uses the same .zip technology. So, which is the best file compression software in the market? Let’s find out with the simple test done by us below.

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Data and File Compression Comparison .zip vs .rar vs .7z

Below is a list of file comparison software and the compression efficiency, to get the most accurate results, we’ve decided to compress not only many files, but various type of files. 7-Zip (https://www.7-zip.org/) and their .7z format is the best for overall performance and the best part is, it is Open Source, in term of percentage, 7-zip is two times more efficient.

Comparison of 4 File Archiving Compression Software

Below is a test done by us. As shown in the test below, 7-Zip is the best file archiving software, due to the 7z format, compatibility is an issue for those without the 7z software installed.

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Microsoft Zip

Documents 5.92MB
• 1 Microsoft Doc
• 1 PDF
• 1 TXT
4.79 MB3.38 MB3.22 MB4.79 MB
Applications 76.6MB
• 7 Exe Files
73.8 MB72.5 MB72.8 MB73.8 MB
Images 42.3MB
• 16 Jpeg
33.2 MB33.1 MB20.2 MB33.3 MB
Movies 66.1MB
• 4 FLV
• 3 AVI
58.9 MB55.1 MB54.0 MB59.0 MB
Photoshop 3.64MB
• 3 PSD
2.19 MB1.56 MB1.37 MB2.19 MB
Total Original Size:
194.56 MB
172.88 MB
(11.14% smaller)
165.64 MB
(14.86% smaller)
151.59 MB
(22.08% smaller)
173.08 MB
(11.04% smaller)

2 comments on “4 Data and File Archiving Compression Comparison .zip vs .rar vs .7z

  1. Gravatar
    Raaj Kumar [ Reply ]

    may i know what does in image files (.iso) format whether is compress the data or not?

    • Gravatar
      Ngan Tengyuen [ Reply ]

      An ISO file, often called an ISO image, is a single file that’s a perfect representation of an entire CD, DVD, or BD. The entire contents of a disc can be precisely duplicated in a single ISO file. ISO images are often used to distribute large programs over the internet due to the fact that all of the program’s files can be neatly contained as a single file.

      If you are just aiming to compress it for moving, then 7-Zip or another decent file compressor is what you’re aiming for, just don’t expect them to do too much as often the contents of ISOs are already compressed (plus it can take a REALLY long time to try and compress huge ISOs for little to no gain)

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