Opteron X2 170 's Advantages
Lower TDP (110W vs 280W)
AMD Ryzen Threadripper PRO 5955WX 's Advantages
Released 16 years and 7 months late
Higher specification of memory (DDR4-3200 vs DDR1-400)
Higher base frequency (4GHz vs 2GHz)
More modern manufacturing process (7nm vs 90nm)