Higher multi-threaded floating point performance as measured using SPEC CPU 2006 v1.2 running on Windows 7 64-bit Professional SP1, comparing Floating Point Rate Base results between a Tower 7910 system with dual Xeon E5-2699 v3 CPUs and 256GB (16x16GB DDR4) memory, and a T7500 system with dual Xeon W5580 CPUs and 24GB (6 x 4GB DDR3) memory.