The ASUS ROG THOR 1200W Platinum III and the be quiet! Dark Power 13 1000W result in an objective tie across the evaluated specifications. While both units offer comparable performance, the ASUS ROG THOR 1200W Platinum III provides a significant advantage in total power capacity, offering 20% more wattage than its competitor. This increased output serves as the primary differentiator for users requiring higher power headroom for their specific system configurations.

Choose the ASUS ROG THOR 1200W Platinum III if your build demands the extra wattage capacity for high-performance components. Conversely, select the be quiet! Dark Power 13 1000W if you prioritize cost efficiency, as it holds a 35% advantage in MSRP. Both power supplies represent balanced options, so your final decision should depend entirely on whether you require the additional power output or the more favorable initial purchase cost.