The Gigabyte Z790 AORUS ELITE AX wins in 7 out of 14 comparable specs, with 6 ties. Its biggest advantage is Max Memory (100% better).
ROG STRIX Z490-E GAMING wins in 1 spec (PCIe x1 Slots: 100% better).
Recommendation
Choose Z790 AORUS ELITE AX if you want the best overall performance — especially max memory.
Choose ROG STRIX Z490-E GAMING if pcie x1 slots matters more to you.
