Intel Xeon E5 4640 's Advantages
Lower TDP (95W vs 150W)
Intel Xeon Gold 5318H 's Advantages
Released 8 years and 11 months late
Higher specification of memory (DDR4-2667 vs DDR3)
Higher base frequency (2.5GHz vs 2.4GHz)
Larger L3 cache size (24.75MB vs 20MB)
More modern manufacturing process (14nm vs 32nm)