Intel Xeon E3 1575M v5 's Advantages
Released 3 years and 10 months late
Higher specification of memory (2133 vs 3)
Higher base frequency (3GHz vs 2.4GHz)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (45W vs 80W)
Intel Xeon E5 2609 's Advantages
Larger L3 cache size (10MB vs 8MB)