Core i5 12400F — pairing guide

Gaming performance index 57.7 (Ryzen 7 9800X3D = 100, our own spec-derived index). Socket LGA1700 · peak boost power 117W · data provenance: Our own spec-derived index. own index

Index comparisons with popular graphics cards

Each figure is this CPU's index divided by the card's index at that resolution — above 1 means the CPU index is the larger of the two.

GPU	1080p	1440p	4K
GeForce RTX 5090	0.58×	0.58×	0.58×	Calculate
GeForce RTX 5080	1.08×	1.08×	1.09×	Calculate
GeForce RTX 4070	2.06×	2.08×	2.11×	Calculate
Radeon RX 9070 XT	1.57×	1.58×	1.59×	Calculate
GeForce RTX 4060	3.82×	3.80×	3.82×	Calculate
GeForce RTX 3060 12GB	4.69×	4.47×	4.31×	Calculate

Where it sits

The Core i5 12400F ranks 40 of 44 in our database by gaming index. One step up is the Core i9 10900K (index 57.9). One step down is the Ryzen 5 5600X (index 56.6). The fastest LGA1700 chip in the database — the drop-in upgrade ceiling for this motherboard — is the Core i9 14900K (index 93.1).

Power

With a GeForce RTX 4070, this CPU's 117W peak boost power points to a 550W PSU by our wattage checker method (peak CPU + GPU board power + 100W overhead, smallest standard size keeping at least ~25% reserve — this pairing's reserve works out to ~32%).

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