Xeon E 2104G 's Advantages
Released 3 years and 10 months late
Higher specification of memory (DDR4-2666 vs DDR4-1866)
Higher base frequency (3.2GHz vs 2.6GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (65W vs 90W)
Intel Xeon E5 2640 v3 's Advantages
Larger L3 cache size (20MB vs 8MB)