The Corsair AX1600i and the Corsair SF1000L are tied in this objective comparison, as each unit leads in three out of seven measured specifications. The most significant advantage for the Corsair AX1600i is its wattage capacity, which is 60% higher than the alternative. Conversely, the Corsair SF1000L offers a 100% advantage in connectivity by including a 12VHPWR connector, a feature absent in the higher-wattage model.

Choose the Corsair AX1600i if your system requirements demand maximum power output for high-draw components. This unit is the superior choice for users prioritizing raw wattage over modern cable standards. Select the Corsair SF1000L if your build utilizes hardware requiring a native 12VHPWR connector. This model is the better option for users who prioritize current connectivity standards for their graphics cards and peripheral power needs.