Compression and Encryption

7-Zip Compression

I decided to replace the WinRAR test with a more repeatable and multi-threaded application – 7-Zip.

Intel Core M 5Y70 Review and Performance: Testing Broadwell-Y - Mobile 7

Our 7-Zip testing gives us a reasonable idea of how well the PC will handle typical work tasks like zipping up for files to email out to your coworkers. Single threaded performance of the Core M 5Y70 is close to that of the Core i5-4200U (15%) but that gap widens when we push more threads through the 7-Zip application. The two-thread result of 4846 on the Core M 5Y70 is also dangerously close to the 4937 score from the 35 watt Kaveri APU.

TrueCrypt Encryption

TrueCrypt is one of the most popular pieces of software for disk encryption with a handy benchmark mode to test the capabilities of your processor. Keep in mind that many modern CPUs include the same AES acceleration which is used throughout TrueCrypt.

As the microarchitecture has improved, so does support for advanced features like AES encryption. In this case, the Core M 5Y70 with the updated Broadwell design is able to pull in the best score at 1.5 GB/s throughput, 15% faster than the Core i5-4200U and 69% faster than the Atom Z3770.

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