The Gigabyte B550 AORUS PRO AC wins in 7 out of 13 comparable specs. Its biggest advantage is PCIe x16 Slots (200% better).
B760M PG Lightning wins in 2 specs (MSRP: 44% better).
Recommendation
Choose B550 AORUS PRO AC if you want the best overall performance — especially pcie x16 slots.
Choose B760M PG Lightning if msrp matters more to you.
| Spec | ASRockB760M PG Lightning | GigabyteB550 AORUS PRO AC |
|---|---|---|
| Platform | ||
| Socket | LGA1700 | AM4 |
| Chipset | B760 | B550 |
| Form Factor | Micro ATX | ATX |
| PCIe Gen | 4 | 4 |
| Memory | ||
| Memory Type | DDR5 | DDR4 |
| Memory Slots | 2 | 4+100% |
| Max Memory | 96 GB | 128 GB |
| Max Memory Speed | 6,400 MHz+28% | 5,000 MHz |
| Expansion | ||
| M.2 Slots | 2 | 2 |
| SATA Ports | 4 | 6+50% |
| PCIe x16 Slots | 1 | 3+200% |
| PCIe x1 Slots | 1 | 2+100% |
| Connectivity | ||
| USB Type-C | 1 | 1 |
| USB Type-A | 5 | 7+40% |
| Wi-Fi | N/A | Wi-Fi 5 |
| LAN | 2.5 GbE | 2.5 GbE |
| Audio | Realtek ALC897 | Realtek ALC1220 |
| Design | ||
| VRM Phases | 8+1+1 | 12+2+40% |
| Price | ||
| MSRP | $100−44% | $180 |
| Release Date | Jan 2023 | Jun 2020 |
