Intel Xeon E5 4640 's Advantages
Lower TDP (95W vs 280W)
AMD Ryzen Threadripper Pro 3945WX 's Advantages
Released 8 years and 2 months late
Higher specification of memory (DDR4-3200 vs DDR3)
Newer PCIe version (4.0 vs 3)
Higher base frequency (4.0GHz vs 2.4GHz)
Larger L3 cache size (64MB vs 20MB)