Intel Xeon E5 2603 v3 's Advantages
Released 3 years and 5 months late
Higher specification of memory (1600 vs 1333)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (85W vs 130W)
Xeon E7 4870 's Advantages
Higher base frequency (2.4GHz vs 1.6GHz)
Larger L3 cache size (30MB vs 15MB)