NVIDIA GeForce RTX 4090: CPU pairings
24 GB VRAM, 450 W board power, released 2022. Performance index 84.5 at 1080p, 82 at 1440p and 79.6 at 4K (out of 100). Below, every processor in our database ranked by how well it keeps this card fed at 1440p.
Best CPU for the RTX 4090 Power supply requirements
Best-balanced processors
- Ryzen 9 7950X3D — GPU-limited 2% (balanced)
- Core i9-14900K — CPU-limited 2% (balanced)
- Ryzen 7 7800X3D — GPU-limited 3% (balanced)
- Core i7-14700K — CPU-limited 4% (balanced)
- Ryzen 9 9950X — CPU-limited 4% (balanced)
- Core i9-13900K — CPU-limited 5% (balanced)
All 48 processors
| CPU | Socket | 1080p | 1440p | 4K | PSU |
|---|---|---|---|---|---|
| Ryzen 7 9800X3D | AM5 | GPU 4% | GPU 11% | GPU 29% | 1000 W |
| Ryzen 9 9950X3D | AM5 | GPU 3% | GPU 10% | GPU 28% | 1000 W |
| Ryzen 7 7800X3D | AM5 | CPU 4% | GPU 3% | GPU 23% | 1000 W |
| Ryzen 9 7950X3D | AM5 | CPU 5% | GPU 2% | GPU 22% | 1000 W |
| Core i9-14900K | LGA1700 | CPU 9% | CPU 2% | GPU 18% | 1200 W |
| Core i7-14700K | LGA1700 | CPU 10% | CPU 4% | GPU 17% | 1200 W |
| Ryzen 9 9950X | AM5 | CPU 10% | CPU 4% | GPU 17% | 1000 W |
| Core i9-13900K | LGA1700 | CPU 11% | CPU 5% | GPU 16% | 1200 W |
| Core Ultra 9 285K | LGA1851 | CPU 12% | CPU 6% | GPU 15% | 1200 W |
| Ryzen 9 9900X | AM5 | CPU 12% | CPU 6% | GPU 15% | 1000 W |
| Core i7-13700K | LGA1700 | CPU 13% | CPU 7% | GPU 14% | 1200 W |
| Ryzen 9 7950X | AM5 | CPU 13% | CPU 7% | GPU 14% | 1000 W |
| Ryzen 7 9700X | AM5 | CPU 14% | CPU 8% | GPU 13% | 850 W |
| Ryzen 9 7900X | AM5 | CPU 15% | CPU 9% | GPU 12% | 1000 W |
| Core i5-14600K | LGA1700 | CPU 17% | CPU 10% | GPU 11% | 1000 W |
| Core Ultra 7 265K | LGA1851 | CPU 17% | CPU 10% | GPU 11% | 1200 W |
| Ryzen 7 7700X | AM5 | CPU 17% | CPU 10% | GPU 11% | 1000 W |
| Ryzen 5 9600X | AM5 | CPU 17% | CPU 10% | GPU 11% | 850 W |
| Core i9-12900K | LGA1700 | CPU 19% | CPU 13% | GPU 9% | 1200 W |
| Core i5-13600K | LGA1700 | CPU 19% | CPU 13% | GPU 9% | 1000 W |
| Ryzen 7 5800X3D | AM4 | CPU 19% | CPU 13% | GPU 9% | 1000 W |
| Ryzen 7 7700 | AM5 | CPU 19% | CPU 13% | GPU 9% | 850 W |
| Ryzen 5 7600X | AM5 | CPU 20% | CPU 14% | GPU 8% | 1000 W |
| Core Ultra 5 245K | LGA1851 | CPU 21% | CPU 15% | GPU 7% | 1000 W |
| Core i7-12700K | LGA1700 | CPU 22% | CPU 16% | GPU 5% | 1000 W |
| Ryzen 5 7600 | AM5 | CPU 22% | CPU 16% | GPU 5% | 850 W |
| Ryzen 7 5700X3D | AM4 | CPU 23% | CPU 17% | GPU 4% | 1000 W |
| Core i5-12600K | LGA1700 | CPU 25% | CPU 19% | GPU 1% | 1000 W |
| Core i5-14400F | LGA1700 | CPU 25% | CPU 19% | GPU 1% | 1000 W |
| Core i5-13400F | LGA1700 | CPU 27% | CPU 22% | CPU 1% | 1000 W |
| Ryzen 9 5950X | AM4 | CPU 29% | CPU 24% | CPU 4% | 1000 W |
| Ryzen 7 8700G | AM5 | CPU 29% | CPU 24% | CPU 4% | 850 W |
| Ryzen 9 5900X | AM4 | CPU 30% | CPU 25% | CPU 6% | 1000 W |
| Core i5-12400F | LGA1700 | CPU 31% | CPU 26% | CPU 7% | 1000 W |
| Ryzen 7 5800X | AM4 | CPU 32% | CPU 27% | CPU 8% | 1000 W |
| Ryzen 5 8600G | AM5 | CPU 33% | CPU 28% | CPU 10% | 850 W |
| Core i7-11700K | LGA1200 | CPU 35% | CPU 30% | CPU 13% | 1000 W |
| Ryzen 7 5700X | AM4 | CPU 35% | CPU 30% | CPU 13% | 850 W |
| Ryzen 5 5600X | AM4 | CPU 36% | CPU 32% | CPU 14% | 850 W |
| Core i3-13100F | LGA1700 | CPU 37% | CPU 33% | CPU 15% | 850 W |
| Ryzen 5 5600 | AM4 | CPU 37% | CPU 33% | CPU 15% | 850 W |
| Core i3-12100F | LGA1700 | CPU 39% | CPU 35% | CPU 18% | 850 W |
| Core i7-10700K | LGA1200 | CPU 39% | CPU 35% | CPU 18% | 1000 W |
| Core i5-11400F | LGA1200 | CPU 42% | CPU 37% | CPU 21% | 850 W |
| Ryzen 7 3700X | AM4 | CPU 46% | CPU 42% | CPU 27% | 850 W |
| Ryzen 5 5500 | AM4 | CPU 46% | CPU 42% | CPU 27% | 850 W |
| Core i5-10400F | LGA1200 | CPU 48% | CPU 44% | CPU 30% | 850 W |
| Ryzen 5 3600 | AM4 | CPU 50% | CPU 46% | CPU 32% | 850 W |