Incredible demo download sizes on PS3 (equivalent to 119 days of load time for a ZX Spectrum…)

The Ratchet and Clank downloadable demo on the PS3 store this week was 1609MB. Not a big deal for todays broadband connections, but think back just a few years ago and it would have been unheard of to attempt to download such a large file from the Internet, plus to think that a ‘demo’ is over 1.5GB. Here’s a few stats to put that in perspective – 1609MB would be:

  • 2.3 700MB CDs
  • 1117 1.44M floppies
  • 2288 720k floppies
  • 4576 360k floppies
  • 160 times larger than the 10MB hard disk in an IBM PC XT
  • 2,860 hours (119 days) of load time from a cassette for a 48k Sinclair ZX Spectrum (assuming 5 minutes per 48k)

In more recent terms though, this is only:

  • 0.19 of a 8.5GB dual-layer DVD
  • 0.032 of a 50GB dual-layer Blu-ray disk

… kind of puts things in perspective.

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