The Corsair RM1200x SHIFT is the objective winner of this comparison, securing more spec victories than its competitor. Its most impactful advantage is the inclusion of a 12VHPWR connector, which represents a 100% improvement over the EVGA SuperNOVA 1000 G6. This feature provides a direct connection for modern hardware, establishing the Corsair RM1200x SHIFT as the more versatile option for users prioritizing current connectivity standards and higher power capacity in their system builds.

Users who require the latest power delivery standards for high-end components should choose the Corsair RM1200x SHIFT to utilize its native 12VHPWR connector. Conversely, the EVGA SuperNOVA 1000 G6 is the better choice for budget-conscious builders, as it offers a 35% advantage in MSRP. Selecting between these two power supplies depends on whether your priority is the modern connector interface or the significant cost savings provided by the EVGA unit.