Intel Xeon X5677 's Advantages
Higher base frequency (3.466GHz vs 3GHz)
Larger L3 cache size (12MB vs 6MB)
Intel Xeon E3 1270L v4 's Advantages
Released 5 years and 3 months late
Higher specification of memory (DDR3-1866 vs DDR3)
Newer PCIe version (3 vs 2)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (45W vs 130W)