The ASRock X870E Nova WiFi 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 Nova WiFi 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 Nova WiFi 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 Nova WiFi as the superior choice for users prioritizing high-capacity system configurations over the specific expansion capabilities offered by the competing board.
Users requiring extensive memory headroom should select the ASRock X870E Nova WiFi for their build. Conversely, the MSI PRO B660M-A WIFI DDR4 is the appropriate choice for those who specifically prioritize additional PCIe x1 slots, where it maintains a 100% advantage over the ASRock X870E Nova WiFi. Choosing between these two motherboards depends entirely on whether your workflow demands the significantly higher memory ceiling of the former or the specialized expansion slot layout of the latter.
Generated by Gemini from the objective spec comparison above. AI advice is a summary, not a benchmark — always verify critical purchases.
