Core i9 13900K — pairing guide

Gaming performance index 90 (Ryzen 7 9800X3D = 100, our own spec-derived index). Socket LGA1700 · peak boost power 253W · 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	0.90×	0.90×	0.90×	Calculate
GeForce RTX 5080	1.68×	1.69×	1.69×	Calculate
GeForce RTX 4070	3.21×	3.24×	3.28×	Calculate
Radeon RX 9070 XT	2.45×	2.47×	2.49×	Calculate
GeForce RTX 4060	5.96×	5.92×	5.96×	Calculate
GeForce RTX 3060 12GB	7.32×	6.98×	6.72×	Calculate

Where it sits

The Core i9 13900K ranks 11 of 44 in our database by gaming index. One step up is the Ryzen 9 7950X3D (index 90.2). One step down is the Ryzen 7 9700X (index 89.5). 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 253W peak boost power points to a 750W 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 ~36%).

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