The Gigabyte Z790 AORUS ELITE AX wins in 10 out of 13 comparable specs. Its biggest advantage is Max Memory (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 max memory.
Choose B660M DS3H DDR4 if pcie x1 slots matters more to you.
| Spec | GigabyteB660M DS3H DDR4 | GigabyteZ790 AORUS ELITE AX |
|---|---|---|
| Platform | ||
| Socket | LGA1700 | LGA1700 |
| Chipset | B660 | Z790 |
| Form Factor | Micro ATX | ATX |
| PCIe Gen | 4 | 5+25% |
| Memory | ||
| Memory Type | DDR4 | DDR5 |
| Memory Slots | 2 | 4+100% |
| Max Memory | 64 GB | |
| 192 GB+200% |
| Max Memory Speed | 4,800 MHz | 7,600 MHz+58% |
| Expansion | ||
| M.2 Slots | 2 | 4+100% |
| SATA Ports | 4 | 6+50% |
| PCIe x16 Slots | 1 | 3+200% |
| PCIe x1 Slots | 1+100% | 0 |
| Connectivity | ||
| USB Type-C | 0 | 1+100% |
| USB Type-A | 6 | 8+33% |
| Wi-Fi | N/A | Wi-Fi 6E |
| LAN | 2.5 GbE | 2.5 GbE |
| Audio | Realtek ALC897 | Realtek ALC1220 |
| Design | ||
| VRM Phases | 6+2+1 | 16+1+2+111% |
| Price | ||
| MSRP | $90−68% | $280 |
| Release Date | Jan 2022 | Oct 2022 |
