Intel Xeon E3 1515M v5 's Advantages
Higher base frequency (2.8GHz vs 2GHz)
Lower TDP (45W vs 250W)
Intel Xeon Platinum 8450H 's Advantages
Released 7 years late
Higher specification of memory (4800 vs 2133)
Newer PCIe version (5 vs 3)
Larger L3 cache size (75MB vs 8MB)
More modern manufacturing process (10nm vs 14nm)