Comparison To Other Compression Algorithms
RAR is typically slower than the "zip" command for creating ZIP files, but it has a moderately better rate of compression.
7z's LZMA algorithm has a higher compression ratio than RAR, except for "multimedia" files like .wav and .bmp files, for which RAR uses specialized filters (E8, E9, Audio, Delta) that allows it to outperform LZMA. Other free compression software, such as FreeArc, usually outperform WinRAR.
RAR can create "recovery volumes" (.rev files), which can provide redundancy for a main archive.
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