Intel Xeon E3 1225 's Advantages
Higher base frequency (3.1GHz vs 2GHz)
Lower TDP (95W vs 100W)
Xeon D 2775TE 's Advantages
Released 10 years and 10 months late
Higher specification of memory (2933 vs 3)
Newer PCIe version (4 vs 3)
Larger L3 cache size (25MB vs 6MB)
More modern manufacturing process (10nm vs 32nm)