Intel Xeon W 2102 's Advantages
Higher base frequency (2.9GHz vs 2GHz)
Larger L3 cache size (8.25MB vs 6MB)
Intel Atom x7809C 's Advantages
Released 6 years and 8 months late
Higher specification of memory (DDR5-4800 vs DDR4-2666)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (25W vs 120W)