The ASUS ROG MAXIMUS Z890 HERO wins in 10 out of 13 comparable specs, with 1 tie. Its biggest advantage is Max Memory (300% better).
B660M DS3H DDR4 wins in 2 specs (PCIe x1 Slots: 100% better).
Recommendation
Choose ROG MAXIMUS Z890 HERO if you want the best overall performance — especially max memory.
Choose B660M DS3H DDR4 if pcie x1 slots matters more to you.
AI Versus Verdict
The ASUS ROG MAXIMUS Z890 HERO is the objective winner of this comparison, securing victories in ten out of thirteen evaluated specifications. Its most significant technical advantage is its maximum memory capacity, which is 300% higher than that of the Gigabyte B660M DS3H DDR4. This substantial lead in memory support establishes the ASUS ROG MAXIMUS Z890 HERO as the superior option for users requiring high-capacity system configurations.
Choose the ASUS ROG MAXIMUS Z890 HERO if your primary requirement is maximizing system memory for demanding tasks. Conversely, the Gigabyte B660M DS3H DDR4 is the appropriate selection for users who prioritize expansion, as it offers a 100% advantage in the number of available PCIe x1 slots. Select the board that aligns with your specific needs for either high-density memory support or increased peripheral connectivity.
Generated by Gemini from the objective spec comparison above. AI advice is a summary, not a benchmark — always verify critical purchases.