Intel Xeon E5 4648 v3 's Advantages
Higher specification of memory (DDR4-1866 vs DDR3)
Larger L3 cache size (30MB vs 1.5MB)
Intel Xeon D 1548 's Advantages
Higher base frequency (2GHz vs 1.7GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (45W vs 105W)