Intel Arrandale Core i5 and Core i3 Mobile Unveiled
We began our testing with SiSoftware's SANDRA 2010, the System ANalyzer, Diagnostic and Reporting Assistant. We ran three of the built-in subsystem tests that partially comprise the SANDRA 2010 suite: CPU Arithmetic, CPU Multimedia, and the Memory Bandwidth tests. 
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In these synthetic, high-level tests that SANDRA performs on the CPU, the Core i5 540M shows surprisingly good scores, besting even Intel's Core 2 Q6600 and AMD's Phenom 9650 quad-core processors in the Arithmetic and Multimedia CPU tests. In terms of memory bandwidth, the system's DDR3-1066 memory, coupled with the new on-chip memory controller offer 9GB/s of memory bandwidth according to SANDRA, which is somewhat on the low side as compared to the Core i7 Mobile Clarksfield with DDR3-1333 memory we tested not long ago, that offered nearly 2X the memory bandwidth.
