The NZXT C1500 Platinum is the objective winner of this comparison, securing more category wins across the evaluated specifications. Its most significant advantage over the Corsair HX1200i is its total power output, which provides 25% more wattage. While the Corsair HX1200i falls behind in total capacity, it maintains a distinct edge in affordability, offering a 32% better MSRP compared to the NZXT C1500 Platinum.

Users requiring maximum power delivery for high-demand systems should choose the NZXT C1500 Platinum to leverage its superior wattage capacity. Conversely, the Corsair HX1200i is the better option for budget-conscious builders who prioritize a lower initial cost while still meeting standard power requirements. Selecting between these two units depends entirely on whether your build necessitates the additional power headroom provided by the NZXT C1500 Platinum or the cost savings offered by the Corsair HX1200i.