Xeon 6952P 's Advantages
Released 14 years and 6 months late
Higher specification of memory (8800 vs 1333)
Newer PCIe version (5 vs 2)
Higher base frequency (2.1GHz vs 2GHz)
Larger L3 cache size (480MB vs 18MB)
More modern manufacturing process (5nm vs 45nm)
Xeon E6540 's Advantages
Lower TDP (105W vs 400W)