The be quiet! Straight Power 12 1000W is the objective winner of this comparison, securing more total spec victories than its competitor. Its most impactful advantage is the inclusion of a 12VHPWR connector, which represents a 100% improvement over the alternative. This feature ensures superior compatibility with modern hardware standards, making it the more versatile choice for current system builds that prioritize native support for the latest power delivery requirements.

Users should choose the be quiet! Straight Power 12 1000W if they require a modern power supply with native 12VHPWR connectivity for contemporary graphics cards. Conversely, the Corsair AX1600i is the better option for enthusiasts who prioritize raw power capacity, as it offers a 60% advantage in total wattage. Selecting between these two units depends entirely on whether your specific build demands the highest possible power ceiling or the most current connector standards.