Intel Xeon E3 1280 's Advantages
Lower TDP (95W vs 220W)
Intel Xeon W 3323 's Advantages
Released 10 years and 3 months late
Higher specification of memory (3200 vs 3)
Newer PCIe version (4 vs 3)
Larger L3 cache size (18MB vs 8MB)
More modern manufacturing process (10nm vs 32nm)