The Corsair RM850x (2024) and the Seasonic VERTEX GX-1200 are tied in this objective comparison, as both units secure two spec victories with three categories resulting in a draw. The most significant advantage for the Corsair RM850x (2024) is its MSRP, which is 35% better than its competitor. Conversely, the Seasonic VERTEX GX-1200 provides a substantial lead in power capacity, offering a wattage output that is 41% higher than the alternative.

Choose the Corsair RM850x (2024) if you prioritize cost efficiency, as its superior MSRP makes it the more economical selection. Alternatively, select the Seasonic VERTEX GX-1200 if your system configuration requires higher power delivery, as its significantly greater wattage capacity is the deciding factor for high-draw builds. Both units offer comparable performance across the remaining evaluated specifications, allowing users to base their final decision strictly on these specific budgetary or power requirements.