Intel Xeon D 1537 's Advantages
Lower TDP (35W vs 65W)
Intel Xeon E 2334 's Advantages
Released 5 years and 10 months late
Higher specification of memory (DDR4-3200 vs DDR3)
Newer PCIe version (4 vs 3)
Higher base frequency (3.4GHz vs 1.7GHz)
Larger L3 cache size (8MB vs 1.5MB)