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Performance in WinRAR

Now we are going to introduce to you one more interesting test in which we use WinRAR version 3.8 to compress and then uncompress a 1.13GB folder with 8118 files in 671 subfolders. The files are documents and images in various formats. These operations are done on the tested HDD. WinRAR is usually used to benchmark CPUs, but it can make a good test for HDDs if you select the lowest compression level and use a huge amount of files. The HDD’s performance should affect the speed of compressing/uncompressing then.

We tried this test with 2.5-inch HDDs and now will apply it to 3.5-inch ones.

The HDDs are surprisingly similar in the compression test: five out of the seven HDDs turn in nearly identical results. Two HDDs have fallen behind: these are the Western Digital RE4-GP and Seagate LP which have been rather good in the previous tests. The gap is small, though. This test even at our slack settings seems to be highly sensitive to the CPU’s speed and almost indifferent to HDD performance.

Uncompressing data is quite a different story. Every HDD is different, the gap between the leader and outsider amounting to 20%. First place is taken by the Western Digital RE4-GP which seems to make good use of its large cache when writing the numerous small files. Last places are occupied by the Barracuda LP and the WD AV-GP.

 
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