Intel Xeon E5 2689 's Advantages
Larger L3 cache size (20MB vs 12MB)
Intel Xeon E 2356G 's Advantages
Released 9 years and 6 months late
Higher specification of memory (DDR4-3200 vs DDR3-1600)
Newer PCIe version (4 vs 3)
Higher base frequency (3.2GHz vs 2.6GHz)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (80W vs 115W)