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System Encryption: BitLocker And TrueCrypt Compared

Benchmark Results: PCMark Vantage

The productivity score is highest without system encryption, but BitLocker seems to benefit from Intel’s new AES-NI acceleration. Running on the dual-core Core i5-661, performance results are as high as on an unencrypted partition.

Performance in the Memories suite is higher on the quad-core Core i5-750. BitLocker appears to have a slight advantage on the dual-core again, likely due to the processor's AES-NI support.