Intel Xeon E3 1220L v2 's Advantages
Higher base frequency (2.3GHz vs 2GHz)
Lower TDP (17W vs 135W)
Intel Xeon E5 4667 v3 's Advantages
Released 3 years and 1 months late
Higher specification of memory (DDR4-2133 vs DDR3)
Larger L3 cache size (40MB vs 8MB)