It's about 2,000 times as much as a Walmart's Mainframe.
In other words, 797 petabytes is 1,800 times the amount of a Walmart's Mainframe, and the amount of a Walmart's Mainframe is 0.00056 times that amount.(a.k.a. Wal-Mart, a.k.a. Wal-Mart Stores, Inc) (2004 figures)
As of 2004, Walmart had accumulated nearly 460 terabytes of data about its customers, inventory, products, and sales. According to some estimates, the total area of all Walmart stores in the United States measures 64,000,000 sq. m.
It's about 3,500 times as much as Pandora.
In other words, the amount of Pandora is 0.0003 times 797 petabytes.(a.k.a. Pandora Radio) (2011 figures)
Pandora, the online radio and song recommendation service, stores 0.240 petabytes of music. Its music recommendation service categorizes each song in its library using 400 attributes and 2,000 attribute combinations.
It's about 5,500 times as much as The IRS Compliance Database.
In other words, the amount of The IRS Compliance Database is 0.00019 times 797 petabytes.(a.k.a. Internal Revenue Service) (2006 figures)
The United States Internal Revenue Service's compliance database holds more than 0.150 petabytes of data on tax returns and other records. Each year of tax records occupies between 0.017 petabytes.
It's about 5,500 times as much as Despicable Me.
In other words, 797 petabytes is 5,740 times the amount of Despicable Me, and the amount of Despicable Me is 0.000174 times that amount.(2010) (Production data)
The 2010 digitally-animated film Despicable Me was developed by Illumination Entertainment and Mac Guff Ligne and used 0.1390 petabytes. The film had a running time of 95 minutes.
It's about 6,500 times as much as The Hubble Telescope.
In other words, the amount of The Hubble Telescope is 0.00015 times 797 petabytes.(a.k.a. Hubble Space Telescope, a.k.a. HST) (2008 figures)
Between its launch in 1990 and 2008, the Hubble Space Telescope gathered 0.120 petabytes of images and other data about astronomical phenomena. Last upgraded during a service mission in 1999, the onboard computer of the Hubble Telescope has just 0.00000000190 petabytes of operating memory (RAM) — less than most smartphones.
It's about 9,000 times as much as The LHC Data Generated per Second.
In other words, the amount of The LHC Data Generated per Second is 0.0001 times 797 petabytes.(a.k.a. Large Hadron Collider) (2008 figures)
Capturing millions of measurements per second on millions of subatomic particles, the Large Hadron Collider (LHC) at the European Organization for Nuclear Research (CERN) facility in Geneva generates 0.10 petabytes of data every second. Data collection arrays are placed throughout the LHC's 8.6 km (5.3 mi) circular track.
It's about 10,000 times as much as The Google Earth database.
In other words, 797 petabytes is 11,600 times the amount of The Google Earth database, and the amount of The Google Earth database is 0.00008620 times that amount.(2006 figures) (raw imagery and indexes storage)
As of 2006, Google was storing 0.0688 petabytes of raw image and index data for its satellite photo and virtual globe application, Google Earth. The application offers high resolution satellite imagery of 60% of the populated areas of the world, according to 2010 estimates.