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The Comparison between USB 2.0 and FireWire


Shopping for an external hard drive, if you own a MAC, is hard. If you are looking for FireWire and USB connections, note that except for the MacBook Air and some models, most modern MAC units offer this. Just keep in mind that compared to FireWire or FireWire/USB combo drives in the market, USB hard drives tend to be more affordable and simply easier to find.

Of course, understand that ubiquity does not automatically translate to superiority.

You do not make a choice simply because it is easier to find. As a matter of fact, when people look at FireWire and USB connections, they are always after speed.

A typical USB 2.0 has a theoretical bandwidth at the maximum of 480 Mbps; while a FireWire 400 and a FireWire 800, boast of 400 and 800 Mbps, respectively.

How do these data translate to practical use? To obtain a better picture, test drives were ran on the following units:

COPYRIGHT_WI: Published on https://washingtonindependent.com/the-comparison-between-usb-and-firewire/ by Jaya Mckeown on 2021-03-04T11:20:00.642Z

  • MacBook Pro with specs 160GB, 5400RPM internal hard drive
  • Mac Pro 3GHz 8-core system (250GB, 7200RPM internal hard drive)

Both ran on OS x 10.6.2 and 2GB of RAM.

USB 2.0 Storage Box

A test was run to compare file transfer rates between a FireWire 400 and a USB 2.0. The MacBook Pro was connected to a 2TB Western Digital My Studio Book and files of the size of 1GB were transferred. It was found that the FireWire 400 transferred the files in 23% less time compared to the USB 2.0. Similarly, the FireWire 400 performed superiorly over the USB 2.0 when the same file was duplicated. It took 10% less time for FireWire 400 to do this.

Even more backup tasks were subjected on the two connections. A 2.56GB folder that contained 5000 folders and files were copied and the FireWire 400 was able to perfect 26% faster than the USB 2.0. With the AJA’s System Test Application, FireWire 400 showed speed of 46% faster in writing tests; but the USB 2.0 showed speed of about 9% faster in reading tests.

The same tests were carried out using the Mac Pro and the same hard drive. The FireWire 400 was 19% faster to copy contents of the external drive, 21% to duplicate the same file, and also 21% faster when copying about 5000 files and folders, compared to the USB 2.0. When the AJA reading and writing tests were carried out, it yielded the same results.

3.5″ Mult-iBay FireWire

The same tests were carried out using the same hard drive, but this time using the FireWire 800. On the My Book Studio and the MacBook Pro, the FireWire 800 performed 35% faster at copying files, compared to the USB 2.0. Further testing showed that it performed 51% faster in duplicating the same files and 37% faster in copying 5000 files and folders. For the AJA writing test, the FireWire 800 performed three times faster than the USB 2.0 and in the reading test, it was 58% faster.

On the Mac Pro, the FireWire 800 was 48% faster at copying and 54% faster at duplicating the same file, compared to the USB 2.0. When it was tasked to copy about 5000 files and folders, it performed 49% faster. Finally, the FireWire 800 scored impressively in both AJA writing and reading tests. Writing scores for the FireWire 800 was two times faster than the USB 2.0 and 49% faster in reading.


When the Verbatim portable drive was tested with the MacBook Pro, the FireWire 400 was found to perform 23% faster than the USB 2.0 at copying files and 21% faster at duplicating the same files. When it was tasked to copy 5000 files and folders, it scored 14% faster and boasted of a 42% and 8% for the AJA writing and reading tests, respectively.

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About The Authors

Jaya Mckeown

Jaya Mckeown - Jaya moved to Boston from New York to pursue a master's degree in corporate communications at Emerson College. This experience, combined with her undergraduate degree in psychology and teaching, has equipped her with valuable skills that she employs on a daily basis in real estate negotiations, homebuyer and seller education, and successful promotion of the team's listings. Jaya's clients often characterize her as meticulous, proactive, and enjoyable to be around.

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