The MSI MEG Z890 ACE 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 MEG Z890 ACE 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 MSI MEG Z890 ACE 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 MSI MEG Z890 ACE as the superior choice for users requiring high-density RAM configurations for demanding professional workloads or future-proof system builds.
Users should select the MSI MEG Z890 ACE if they prioritize maximum memory capacity for intensive computing tasks. Conversely, the MSI PRO B660M-A WIFI DDR4 is the better option for those who specifically require more PCIe x1 slots, as it offers a 100% advantage in that category. Choosing between these two motherboards depends entirely on whether your build necessitates the expanded memory ceiling of the former or the additional expansion slot connectivity of the latter.
Generated by Gemini from the objective spec comparison above. AI advice is a summary, not a benchmark — always verify critical purchases.
