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WorldBench uses scripting to step through a series of tasks in common Windows applications. It then produces an overall score. WorldBench also spits out individual results for its component application tests, allowing us to compare performance in each. We'll look at the overall score, and then we'll show individual application results.

The 1TB Black ties the WorldBench overall score of its 2TB Caviar counterpart when the two are connected to the Intel storage controller. However, the terabyte drive scores one point higher when it's paired with the 6Gbps Marvell controller. We're only looking at a two-point spread between the fastest and the slowest drives, so don't get too excited about 6Gbps SATA just yet.

Most of WorldBench's multimedia editing and encoding tests offer equivalent performance with the drives we're looking at today. The Photoshop test does run notably quicker on the Caviars, though. The 2TB drive is a hair faster, but the terabyte model has a decent lead over the rest of the field, at least when connected to the Intel storage controller. When paired with the Marvell controller, the Caviar's performance slows by about 7%.

The terabyte Black proves a little quicker in WorldBench's Office test, but it's trailed closely by the Barracuda XT. Scores from the web browsing and multitasking tests are too tight to call.

While there's little difference in WinZip performance between the drives, WorldBench's Nero test produces some interesting results. The Caviar Black 1TB is quite a bit quicker with the Marvell controller this time around, yet it's barely slower than the 7200.12 when both are connected to the Intel chipset.