Haozip , the big fact is it supports 42 archive formats, greater then winzip & winrar.
You can choose compression/decompression as smart ( low cpu) & full speed mode ( high cpu; for speed up compressing & decompressing ) & Compress & decompress almost same as winrar/winzip. U can put password protection on ZIP & 7Z formats ( 7Z provide better encryption security )
Powerful dual-core Trojan horse checking engine ( it scans for suspicious & malware files inside archive when u opens a archive)
it's included a image viewer which supports up to 43 image file formats.
u can customize themes
Support a benchmarking tool to know how faster is ur PC to compress/decompress archives
Support virtual CD-ROM mounting ; format support (.iso,.mdf,.mds,.ccd,.cue,.img,.udf,.mrg.) Just select a supported archive & it will create a virtual drive will decompress it in 1-2 second. Also some extra features like, image convertor, MD5 checksum,archive converter ,archive repair.