Intel Xeon X5690 's Advantages
Higher base frequency (3.466GHz vs 3.1GHz)
Larger L3 cache size (12MB vs 8MB)
Intel Xeon E3 1285L v3 's Advantages
Released 2 years and 4 months late
Higher specification of memory (DDR3 vs DDR3)
Newer PCIe version (3 vs 2)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (65W vs 130W)