The Gigabyte X870E AORUS MASTER wins in 10 out of 14 comparable specs, with 3 ties. Its biggest advantage is PCIe x16 Slots (200% better).
B850I AORUS PRO wins in 1 spec (MSRP: 44% better).
Recommendation
Choose X870E AORUS MASTER if you want the best overall performance — especially pcie x16 slots.
Choose B850I AORUS PRO if msrp matters more to you.
