The ASRock X870E Taichi wins in 11 out of 14 comparable specs, with 1 tie. Its biggest advantage is Max Memory (300% better).
PRO B660M-A WIFI DDR4 wins in 2 specs (PCIe x1 Slots: 100% better).
Recommendation
Choose X870E Taichi if you want the best overall performance — especially max memory.
Choose PRO B660M-A WIFI DDR4 if pcie x1 slots matters more to you.
AI Versus Verdict
The ASRock X870E Taichi is the objective winner of this comparison, securing victories in eleven out of fourteen evaluated specifications. Its most significant technical advantage is its maximum memory capacity, which is 300% higher than that of the alternative. This substantial lead in memory support establishes the ASRock X870E Taichi as the superior choice for users prioritizing high-density system configurations and expanded hardware overhead over the limited capabilities offered by the competing motherboard.
Users requiring extensive memory capacity for demanding workloads should select the ASRock X870E Taichi for its clear advantage in that category. Conversely, the MSI PRO B660M-A WIFI DDR4 is the appropriate choice for those who specifically prioritize expansion, as it provides 100% more PCIe x1 slots than the ASRock X870E Taichi. Buyers should weigh these specific hardware requirements against the overall spec-win count to determine which board best aligns with their intended system build.
Generated by Gemini from the objective spec comparison above. AI advice is a summary, not a benchmark — always verify critical purchases.