Intel Xeon E5 2603 v2 's Advantages
Lower TDP (80W vs 250W)
Xeon 6746E 's Advantages
Released 10 years and 9 months late
Higher specification of memory (DDR5-5600 vs DDR3)
Newer PCIe version (5 vs 3)
Higher base frequency (2GHz vs 1.8GHz)
Larger L3 cache size (96MB vs 10MB)
More modern manufacturing process (7nm vs 22nm)