The Gigabyte X870E AORUS MASTER wins in 7 out of 14 comparable specs. Its biggest advantage is PCIe x16 Slots (200% better).
PRO B850M-A WIFI wins in 2 specs (PCIe x1 Slots: 100% better).
Recommendation
Choose X870E AORUS MASTER if you want the best overall performance — especially pcie x16 slots.
Choose PRO B850M-A WIFI if pcie x1 slots matters more to you.
| Spec | GigabyteX870E AORUS MASTER | MSIPRO B850M-A WIFI |
|---|---|---|
| Platform | ||
| Socket | AM5 | AM5 |
| Chipset | X870E | B850 |
| Form Factor | ATX | Micro ATX |
| PCIe Gen | 5 | 5 |
| Memory | ||
| Memory Type | DDR5 | DDR5 |
| Memory Slots | 4 | 4 |
| Max Memory | 256 GB | 256 GB |
| Max Memory Speed |
| 8,200 MHz+14% |
| 7,200 MHz |
| Expansion | ||
| M.2 Slots | 4+100% | 2 |
| SATA Ports | 4 | 4 |
| PCIe x16 Slots | 3+200% | 1 |
| PCIe x1 Slots | 0 | 1+100% |
| Connectivity | ||
| USB Type-C | 2+100% | 1 |
| USB Type-A | 9+50% | 6 |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 7 |
| LAN | 5 GbE+100% | 2.5 GbE |
| Audio | Realtek ALC1220 | Realtek ALC897 |
| Design | ||
| VRM Phases | 16+2+1+73% | 8+2+1 |
| Price | ||
| MSRP | $500 | $150−70% |
| Release Date | Sep 2024 | Jan 2025 |
