Intel Xeon W3690 's Advantages
Released 2 years and 5 months late
Higher base frequency (3.466GHz vs 2.4GHz)
More modern manufacturing process (32nm vs 45nm)
Xeon E7440 's Advantages
Higher specification of memory (667 vs 3)
Larger L3 cache size (16MB vs 12MB)
Lower TDP (90W vs 130W)