That said, TB didn't fare that much better than USB 3, in some cases by a margin of about 12 MB/s. As you might expect, Thunderbolt fared better than USB 3 working from the SSD, without the read/write ceiling of the spinning drive.
#USB3 VS THUNDERBOLT 2 HARD DRIVE FULL#
We recommend that you check out Macworld's full post for the rest of the figures and details. (We used StarTech’s 6 Port USB 3.0 / USB 2.0 Combo Hub with 2A Charging Port with two USB 3.0 ports, four USB 2.0 ports, and a seventh USB port used for charging devices and Belkin’s $50 SuperSpeed USB 3.0 4-Port Hub.) We then ran the tests with the drive connected over FireWire 800 and via Thunderbolt with different enclosures. We ran the same tests again, but with the USB drive attached to each of two hubs. ran a series of tests with it connected over USB 2.0 and USB 3.0 directly to our MacBook Pro. The same series of tasks (more details below) were run first on a 2.5" Hitachi 7200 RPM 750GB spinning drive, then an OWC Mercury Extreme Pro 6G SSD (actual models may vary), through the following connections: Macworld asks the question, " How fast is USB 3.0 really?" - and thanks to their work, we may now have a better idea given some real-world working conditions. Click below to see how USB 3 measured up. But in the meantime, the question stands: how does USB 3.0 compare in actual performance to Thunderbolt, and should you be in a rush to upgrade? Thanks to the guys over at Macworld, we now have some practical benchmark tests pitting the protocols against each other. Both USB 3 and Thunderbolt leave the transfer rates of yesteryear in the dust, with doubled speed in the works for USB 3.0 for a current-Thunderbolt equivalent 10Gb/s and doubled speed coming for 20Gb/s Thunderbolt rates.
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