The Corsair RM1200x SHIFT is the objective winner of this comparison, securing more category wins across the evaluated specifications. Its most impactful advantage is the inclusion of a 12VHPWR connector, which represents a 100% improvement over the alternative. This feature ensures modern compatibility for high-end hardware that requires the latest power delivery standards, positioning it as the more forward-looking choice for users prioritizing current connectivity requirements.

Choose the Corsair RM1200x SHIFT if you require the 12VHPWR connector for your system build. Conversely, the EVGA SuperNOVA 1000 G6 is the better option for budget-conscious users, as it holds a 35% advantage in MSRP. Selecting between these two units depends entirely on whether your priority is the specific connector standard provided by the former or the cost savings offered by the latter.