BlackBerry USB Transfer Speed Makes Competitors Eat Dirt

Mini_usbGregory A. Quirk just wrote a great article on that I have to share with you. He decided to compare the USB transfer speeds between the following 4 devices:

  • Apple iPhone
  • BlackBerry 8120
  • Sony Ericsson W910i Walkman
  • Motorola Razr 2

The results are staggering in favor of the BlackBerry:

The BlackBerry transfered at at average 13mb/sec compared to the iPhones measly 3mb/sec.

Think of the time saved when transferring 4 Gbytes of data to a phone. According to the average transfer rates shown earlier

  • iPhone would take 23 minutes
  • BlackBerry 6 minutes using its media manager and 5 minutes when using direct file transfer
  • Sony 210 minutes using direct file transfer and 15 minutes via the external memory card reader
  • Razr 19 minutes.

Read the explanation and graph charts after the jump or the full article at

Why did the BlackBerry perform so well? The answer lies inside . . .

The device behind the BlackBerry’s fast transfer rates is the Cypress CYWB0124AB west bridge peripheral controller. West bridge products directly connect peripherals, creating fast transfer tunnels without loading the main processor. Instead of routing files from the computer through the phone processor to the storage device, the west bridge sets up a tunnel running from the computer directly to the storage device.


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