Opteron 1381 's Advantages
Lower TDP (115W vs 250W)
Intel Xeon W 3335 's Advantages
Released 12 years and 1 months late
Higher specification of memory (3200 vs 1333)
Newer PCIe version (4 vs 2)
Higher base frequency (3.4GHz vs 2.5GHz)
Larger L3 cache size (24MB vs 6MB)
More modern manufacturing process (10nm vs 45nm)