![GeForce RTX 4090 and Core i9-13900K PCIe scaling test shows 2% difference between x16 and x8 modes - VideoCardz.com GeForce RTX 4090 and Core i9-13900K PCIe scaling test shows 2% difference between x16 and x8 modes - VideoCardz.com](https://cdn.videocardz.com/1/2023/03/RTX4090-HERO.jpg)
GeForce RTX 4090 and Core i9-13900K PCIe scaling test shows 2% difference between x16 and x8 modes - VideoCardz.com
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PCI Express Bandwidth Test: PCIe 4.0 vs. PCIe 3.0 Gaming Performance & Limited VRAM Memory Buffers | TechSpot
![GeForce RTX 4090 and Core i9-13900K PCIe scaling test shows 2% difference between x16 and x8 modes - VideoCardz.com GeForce RTX 4090 and Core i9-13900K PCIe scaling test shows 2% difference between x16 and x8 modes - VideoCardz.com](https://cdn.videocardz.com/1/2023/03/TPU-PCIE-SCALING-2023.png)
GeForce RTX 4090 and Core i9-13900K PCIe scaling test shows 2% difference between x16 and x8 modes - VideoCardz.com
![GeForce RTX 4090 and Core i9-13900K PCIe scaling test shows 2% difference between x16 and x8 modes - VideoCardz.com GeForce RTX 4090 and Core i9-13900K PCIe scaling test shows 2% difference between x16 and x8 modes - VideoCardz.com](https://cdn.videocardz.com/1/2023/03/performance-matchup_4k.png)
GeForce RTX 4090 and Core i9-13900K PCIe scaling test shows 2% difference between x16 and x8 modes - VideoCardz.com
Why does my RTX 3080 have only 8x bandwidth while running on a PCIE Gen3 16x with no other GPU or NVMe installed? - Quora
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