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Application performance

SunSpider JavaScript benchmark
The SunSpider JavaScript benchmark has become a staple of browser testing around the web, usually serving to highlight differences in JavaScript execution speeds between browser revisions. Today, we'll be looking at SunSpider performance with the same browser (Firefox 3.6.9) across multiple notebooks.

Zacate is off to a respectable start, trailing our CULV-based Zbox HD-ND22 by less than 10% and handily outpacing the Eee PC 1015PN's dual-core Atom running at 1.53GHz.

Odds are, anyone with a computer will need to compress or decompress some files every one in a while. To see how these systems handled that task, we ran 7-Zip's built-in benchmark and jotted down the results for both compression and decompression.

AMD's new APU kicks things up a notch in 7-Zip, zooming ahead of entry-level CULV and CULV 2010 systems alike and nipping at the heels of the Toshiba notebook's Turion II Neo.

Next up: file encryption. Because who wants any two-bit thief to have access to his sensitive data? We ran TrueCrypt's built-in benchmark and averaged the results for all of the different encryption schemes.

x264 video encoding
Last, but not least, we took our notebooks through the x264 high-definition video encoding benchmark.

In TrueCrypt, the Zacate system lies smack-dab in CULV territory. Moving on to a more intense video-encoding test, however, the CULV systems (and even our AMD Nile laptop) speed ahead, leaving the APU in the no-man's-land between the Atom and the rest of the market. To be fair, video encoders are among those apps that folks generally don't run on their ultraportables and netbooks.

That gives us a decent glimpse into the performance of Zacate's dual Bobcat CPU cores. What about the APU's graphics component?