Intel Xeon X5660 's Advantages
Larger L3 cache size (12MB vs 8MB)
Intel Xeon E3 1545M v5 's Advantages
Released 5 years and 10 months late
Higher specification of memory (2133 vs 3)
Newer PCIe version (3 vs 2)
Higher base frequency (2.9GHz vs 2.8GHz)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (45W vs 95W)