GeForce RTX 4090 — pairing guide

Performance index (fastest card = 100 at each resolution): 74.5 at 1080p · 71.9 at 1440p · 69.5 at 4K. Board power 450W · data provenance: Our own spec-derived index. own index

Index comparisons with popular processors

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

CPU	1080p	1440p	4K
Ryzen 7 9800X3D	1.34×	1.39×	1.44×	Calculate
Ryzen 7 7800X3D	1.14×	1.18×	1.22×	Calculate
Ryzen 7 5800X3D	0.91×	0.94×	0.97×	Calculate
Core i9 14900K	1.25×	1.29×	1.34×	Calculate
Core i5 13600K	0.96×	0.99×	1.03×	Calculate
Ryzen 5 5600	0.73×	0.75×	0.78×	Calculate

Where it sits

The GeForce RTX 4090 ranks 2 of 56 in our database at 1080p. One tier up is the GeForce RTX 5090 (100 at 1080p, 100 at 4K). One tier down is the GeForce RTX 5080 (53.6 at 1080p, 53.1 at 4K). Relative performance narrows or widens with resolution — this card keeps 93% of its 1080p standing at 4K, which is why its index ratios shift by resolution.

Power

This card's rated board power is 450W. Pair it with a CPU in our PSU wattage checker for a sized recommendation.

All GPUs · How the index works