Intel Xeon E5603 's Advantages
Larger L3 cache size (4MB vs 1.5MB)
Intel Xeon D 1541 's Advantages
Released 4 years and 9 months late
Higher specification of memory (4 vs 3)
Newer PCIe version (3 vs 2)
Higher base frequency (2.1GHz vs 1.6GHz)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (45W vs 80W)