Intel Xeon E3 1265L v4 's Advantages
Released 3 years and 3 months late
Higher specification of memory (DDR3-1866 vs DDR3)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (35W vs 95W)
Intel Xeon E5 2640 's Advantages
Higher base frequency (2.5GHz vs 2.3GHz)
Larger L3 cache size (15MB vs 6MB)