The Gigabyte Z790 AORUS ELITE AX wins in 9 out of 13 comparable specs, with 2 ties. Its biggest advantage is PCIe x16 Slots (200% better).
B660M DS3H DDR4 wins in 2 specs (PCIe x1 Slots: 100% better).
Recommendation
Choose Z790 AORUS ELITE AX if you want the best overall performance — especially pcie x16 slots.
Choose B660M DS3H DDR4 if pcie x1 slots matters more to you.
AI Versus Verdict
The Gigabyte Z790 AORUS ELITE AX is the objective winner of this comparison, securing nine category victories against the two wins held by the Gigabyte B660M DS3H DDR4. The most significant technical advantage for the winning board is its PCIe x16 slot configuration, which offers a 200% improvement over the alternative. Conversely, the Gigabyte B660M DS3H DDR4 provides a 100% advantage in PCIe x1 slot availability for users prioritizing that specific expansion interface.
Choose the Gigabyte Z790 AORUS ELITE AX if your build requires superior PCIe x16 slot capacity for high-bandwidth expansion cards. This motherboard is the clear choice for users seeking the most robust feature set based on the total number of winning specifications. Alternatively, select the Gigabyte B660M DS3H DDR4 if your specific system requirements rely on the increased number of PCIe x1 slots offered by this model.
Generated by Gemini from the objective spec comparison above. AI advice is a summary, not a benchmark — always verify critical purchases.