Benchmark: TrueCrypt System Encryption

Test system:
Acer 4736G, T6600, 4GB ram, OCZ Vertex2 40GB, Windows 7 Home Premium 64 bit
PerformanceTest 7.0 (1020) Win64, TrueCrypt 7.0a
Control system: Dual Core 2.8GHz, 2GB ram, MSI-7259, OCZ Vertex2

System Encryption With TrueCrypt Without TrueCrypt Control system
CPU - Integer Math 671.51 672.77258.4
CPU - Floating Point Math 1018.57 1017.081009.0
CPU - Find Prime Numbers 513.22 513.2
CPU - SSE 3.9 3.9
CPU - Compression 2404.12 2400.72
CPU - Encryption 6.86 6.89
CPU - Physics 97.41 97.81
CPU - String Sorting 1258.51 1257.3
Graphics 2D - Solid Vectors 3.8 3.78
Graphics 2D - Transparent Vectors 3.4 3.39
Graphics 2D - Complex Vectors 81.3 80.73
Graphics 2D - Fonts and Text 86.57 87.38
Graphics 2D - Windows Interface 54.75 54.8
Graphics 2D - Image Filters 326.12 325.4
2D Graphics - Image Rendering 249.09 248.78
Graphics 3D - Simple 230.75 231.93
Graphics 3D - Medium 81.99 82.09
Graphics 3D - Complex 23 23
Graphics 3D - DirectX 10 1.4 1.4
Memory - Allocate Small Block 2386.64 2839.73
Memory - Read Cached 1922.75 1924.98
Memory - Read Uncached 1672.9 1244.63
Memory - Write 1541.7 1253.83
Memory - Large RAM 1316.96 1046.97
Disk - Sequential Read 69.3 190.74
Disk - Sequential Write 42.82 47.8
Disk - Random Seek + RW 36.12 214.68
CPU Mark 1848.42 1849.75
2D Graphics Mark 420.85 419.72
Memory Mark 803.95 703.35
Disk Mark 563.05 1639.18
3D Graphics Mark 191.99 192.13
PassMark Rating 859.65 936.75

Further reading: