Intel Xeon W3530 's Advantages
Higher base frequency (2.8GHz vs 2.6GHz)
Intel Xeon E 2378 's Advantages
Released 11 years and 6 months late
Higher specification of memory (DDR4-3200 vs DDR3)
Newer PCIe version (4 vs 2)
Larger L3 cache size (16MB vs 8MB)
More modern manufacturing process (14nm vs 45nm)
Lower TDP (65W vs 130W)