At their core, both the Gigabyte X870E Aorus Elite X3D Ice and the Gigabyte X870E Aorus Xtreme X3D AI Top share the same fundamental platform: the AM5 socket with an X870 chipset, making them equally compatible with current AMD processors and future-ready for the same CPU lineup. They also match on connectivity, both offering Wi-Fi 7 (802.11be) with backward compatibility down to Wi-Fi 4, Bluetooth 5.4, and HDMI 2.1 — so neither board has an edge in terms of wireless or display output capabilities. Shared features like RGB lighting, easy overclocking, easy BIOS reset, and a 3-year warranty further reinforce that these two boards are built on a common foundation.
The single meaningful differentiator in this group is form factor. The Elite X3D Ice uses a standard ATX layout at 244 × 305 mm, while the Xtreme X3D AI Top adopts an E-ATX footprint at 285 × 305 mm — adding 41 mm of vertical space. In practice, E-ATX boards require a compatible full-tower or large mid-tower case, whereas ATX fits in a much wider range of enclosures. This size difference typically exists to accommodate more VRM phases, additional expansion slots, or denser feature sets, though those distinctions fall outside this spec group.
For this group specifically, neither board holds a clear advantage in features or connectivity — they are effectively tied on every shared spec. The form factor difference is the only decision-relevant data point here: if case compatibility or build size is a constraint, the Elite X3D Ice is the more flexible choice; if you already own an E-ATX-capable chassis, the Xtreme X3D AI Top presents no drawback from a general-info standpoint.