Xeon E 2104G 's Advantages
Released 4 years and 10 months late
Higher specification of memory (2666 vs 1866)
Higher base frequency (3.2GHz vs 3GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (65W vs 130W)
Intel Xeon E5 1680 v2 's Advantages
Larger L3 cache size (25MB vs 8MB)