It's about one-seven-hundred-fiftieth as much as a Walmart's Mainframe.
In other words, the amount of a Walmart's Mainframe is 770 times 604 gigabytes.(a.k.a. Wal-Mart, a.k.a. Wal-Mart Stores, Inc) (2004 figures)
It's about 850 times as much as a Compact Disc.
In other words, 604 gigabytes is 838.9 times the amount of a Compact Disc, and the amount of a Compact Disc is 0.001192 times that amount.(80-minute, 360,000 sector disc; "Red Book" specifications)
A typical, 80-minute capacity compact disc, commonly known as a 0.6836 gigabytes disc will actually hold 0.72 gigabytes of data. Such disks are 1.2 mm (0.047 in) thick.
It's about one-nine-hundredth as much as The YouTube's video database.
In other words, 604 gigabytes is 0.00111 times the amount of The YouTube's video database, and the amount of The YouTube's video database is 901 times that amount.(2008 figures) (video data only)
It's about one-one-thousandth as much as The Ancestry.com's Census Records.
In other words, the amount of The Ancestry.com's Census Records is 1,000 times 604 gigabytes.(2006 figures) (1790 to 1930 records only)
Updated in 2006 through a one-of-a-kind project, the genealogical research site Ancestry.com added 540 million names from records in the 1790 to 1930 US Census, capturing a total of 600,000 gigabytes of data. According to company estimates, the project took 6.6 million hours (750 person-years) to complete.
It's about one-one-thousand-five-hundredth as much as The Google database.
In other words, the amount of The Google database is 1,400 times 604 gigabytes.(2006 figures) (web crawler data; compressed)
It's about one-one-thousand-five-hundredth as much as Facebook's Photo Storage.
In other words, the amount of Facebook's Photo Storage is 2,000 times 604 gigabytes.(2008 figures) (total storage)
It's about one-one-thousand-five-hundredth as much as a Avatar.
In other words, the amount of a Avatar is 2,000 times 604 gigabytes.(a.k.a. James Cameron's Avatar, a.k.a. Avatar: An IMAX 3D experience) (production rendering data)
Using a combination of breakthrough techniques that ultimately made it the most expensive movie ever produced, the film Avatar required 1,000,000 gigabytes of storage space for its computer rendering. According to some sources, each frame of the 166-minute movie took an average of 47 person-hours to complete.