Xeon E5530 's Advantages
Higher specification of memory (1066 vs 3)
Higher base frequency (2.4GHz vs 1.8GHz)
Intel Xeon E5 2448L 's Advantages
Released 3 years and 2 months late
Larger L3 cache size (20MB vs 8MB)
More modern manufacturing process (32nm vs 45nm)
Lower TDP (70W vs 80W)