The Thermaltake Toughpower GF3 1200W wins in 3 out of 7 comparable specs. Its biggest advantage is 12VHPWR Connector (100% better).
RM850x wins in 1 spec (MSRP: 30% better).
Recommendation
Choose Toughpower GF3 1200W if you want the best overall performance — especially 12vhpwr connector.
Choose RM850x if msrp matters more to you.
| Spec | CorsairRM850x | ThermaltakeToughpower GF3 1200W |
|---|---|---|
| Power | ||
| Wattage | 850W | 1200W+41% |
| Efficiency | 80+ Gold | 80+ Gold |
| ATX Version | ATX 2.0 | ATX 3.0+50% |
| Design | ||
| Modular | Full | Full |
| Fan Size | 140 mm | 140 mm |
| Depth | 160 mm | 160 mm |
| Features | ||
| 12VHPWR Connector | No | Yes+100% |
| Warranty | 10 | 10 |
| Price | ||
| MSRP | $140−30% | $200 |
| Release Date | Sep 2021 | Jan 2023 |
