The Seasonic Prime TX-1600 ATX 3.1 is the objective winner of this comparison, securing a lead in four out of seven evaluated specifications. Its most impactful advantage over the Corsair AX1600i is the inclusion of the 12VHPWR connector, which represents a 100% improvement in native compatibility for modern hardware. By outperforming the Corsair AX1600i in these key areas while matching it in three other categories, the Seasonic Prime TX-1600 ATX 3.1 establishes itself as the more current and versatile power supply.

Users requiring native support for modern graphics cards should prioritize the Seasonic Prime TX-1600 ATX 3.1 to utilize its integrated 12VHPWR connector. This component is the superior choice for those building systems that demand the latest connectivity standards. Conversely, the Corsair AX1600i remains a viable option for users who do not require the specific advantages offered by the newer model, as it maintains parity with the Seasonic Prime TX-1600 ATX 3.1 across three of the measured technical specifications.