Intel Xeon E5 4640 's Advantages
Lower TDP (95W vs 135W)
Intel Xeon Silver 4314 's Advantages
Released 8 years and 11 months late
Higher specification of memory (DDR4-2667 vs DDR3)
Newer PCIe version (4 vs 3)
Larger L3 cache size (24MB vs 20MB)
More modern manufacturing process (10nm vs 32nm)