Xeon L5639 's Advantages
Larger L3 cache size (12MB vs 8MB)
Lower TDP (60W vs 80W)
Intel Xeon E 2374G 's Advantages
Released 10 years and 7 months late
Higher specification of memory (3200 vs 1333)
Newer PCIe version (4 vs 2)
Higher base frequency (3.7GHz vs 2.133GHz)
More modern manufacturing process (14nm vs 32nm)