Core i5 14400 — pairing guide

Gaming performance index 64.6 (Ryzen 7 9800X3D = 100, our own spec-derived index). Socket LGA1700 · peak boost power 154W · 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	0.65×	0.65×	0.65×	Calculate
GeForce RTX 5080	1.21×	1.21×	1.22×	Calculate
GeForce RTX 4070	2.31×	2.32×	2.36×	Calculate
Radeon RX 9070 XT	1.76×	1.77×	1.78×	Calculate
GeForce RTX 4060	4.28×	4.25×	4.28×	Calculate
GeForce RTX 3060 12GB	5.25×	5.01×	4.82×	Calculate

Where it sits

The Core i5 14400 ranks 35 of 44 in our database by gaming index. One step up is the Ryzen 9 5900X (index 64.9). One step down is the Ryzen 7 5700X3D (index 61.6). 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 154W peak boost power points to a 650W 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 ~43%).

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