Intel Xeon E3 1230 v5 's Advantages
Released 2 years and 1 months late
More modern manufacturing process (14nm vs 22nm)
Lower TDP (80W vs 130W)
Intel Xeon E5 2643 v2 's Advantages
Higher specification of memory (DDR3 vs DDR3)
Higher base frequency (3.5GHz vs 3.4GHz)
Larger L3 cache size (15MB vs 8MB)