The Gigabyte B660M DS3H DDR4 wins in 4 out of 13 comparable specs. Its biggest advantage is LAN (150% better).
B650M DS3H wins in 2 specs (Max Memory: 50% better).
Recommendation
Choose B660M DS3H DDR4 if you want the best overall performance — especially lan.
Choose B650M DS3H if max memory matters more to you.
| Spec | GigabyteB650M DS3H | GigabyteB660M DS3H DDR4 |
|---|---|---|
| Platform | ||
| Socket | AM5 | LGA1700 |
| Chipset | B650 | B660 |
| Form Factor | Micro ATX | Micro ATX |
| PCIe Gen | 4 | 4 |
| Memory | ||
| Memory Type | DDR5 | DDR4 |
| Memory Slots | 2 | 2 |
| Max Memory | 96 GB+50% | 64 GB |
| Max Memory Speed | 6,200 MHz+29% | 4,800 MHz |
| Expansion | ||
| M.2 Slots | 2 | 2 |
| SATA Ports | 4 | 4 |
| PCIe x16 Slots | 1 | 1 |
| PCIe x1 Slots | 1 | 1 |
| Connectivity | ||
| USB Type-C | 0 | 0 |
| USB Type-A | 5 | 6+20% |
| LAN | 1 GbE | 2.5 GbE+150% |
| Audio | Realtek ALC897 | Realtek ALC897 |
| Design | ||
| VRM Phases | 5+2+1 | 6+2+1+13% |
| Price | ||
| MSRP | $110 | $90−18% |
| Release Date | Oct 2022 | Jan 2022 |