The Corsair HX1200i and the Seasonic VERTEX GX-1000 are tied in this objective comparison, as each unit secures two category wins with three remaining specifications resulting in a draw. The most significant differentiator for the Corsair HX1200i is its efficiency, which outperforms the competitor by 25 percent. Conversely, the Seasonic VERTEX GX-1000 holds a distinct advantage in its MSRP, which is 27 percent better than the alternative, providing a clear financial benefit for budget-conscious builders.

Users prioritizing power efficiency should select the Corsair HX1200i to leverage its superior performance in that specific metric. Those who are more concerned with the initial cost of their build should choose the Seasonic VERTEX GX-1000, as its lower MSRP offers a substantial savings advantage. Since both power supplies offer identical performance across the majority of measured specifications, the final decision rests entirely on whether the user values long-term efficiency or immediate cost savings.